Skocz do pozycji: 1.

Tytuł:

Impact of 3D printing on logistics

Autorzy:

Wieczorek, A.

Powiązania:

https://bibliotekanauki.pl/articles/409342.pdf

Data publikacji:

2017

Wydawca:

Politechnika Poznańska. Wydawnictwo Politechniki Poznańskiej

Tematy:

logistics
3D printing
technology
supply chains

Opis:

3D printing technology is becoming more and more commonly used production method. This method of production is perceived as a trend that can have a significant impact on logistic service in the future. The article presents a description of the technology, along with its capabilities and restrictions. An important point is the impact of 3D technology on the functioning of the supply chains. The advantages gained by using 3D printing technology have also been demonstrated. The article sets the target for future opportunities for logistical support through the use of 3D printing technology. There are also presented individual theories among entrepreneurs about the current changes taking place using 3D printing. This article is based on the literature of periodicals and specialist articles.

Źródło:

Research in Logistics & Production; 2017, 7, 5; 443-450
2083-4942
2083-4950

Pojawia się w:

Research in Logistics & Production

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 2.

Tytuł:

New aspects of 3D printing by robots

Autorzy:

Wypysiński, R.

Powiązania:

https://bibliotekanauki.pl/articles/132124.pdf

Data publikacji:

2016

Wydawca:

Stowarzyszenie Inżynierów i Techników Mechaników Polskich

Tematy:

additive technologies
3D printing
robot

Opis:

Additive technologies are common field of industry and daily life. Almost everyone heard about 3D printing and rapid prototyping technologies. Dynamic evolution of methods gives us new possibilities and open new chances. Let’s look on 3D robot printing, its limitation and advantages.

Źródło:

Advanced Technologies in Mechanics; 2016, 3, no. 2 (7); 17-21
2392-0327

Pojawia się w:

Advanced Technologies in Mechanics

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 3.

Tytuł:

Usage of 3D printing in photostress investigation

Autorzy:

Ficzere, P.

Powiązania:

https://bibliotekanauki.pl/articles/111690.pdf

Data publikacji:

2015

Wydawca:

Stowarzyszenie Menedżerów Jakości i Produkcji

Tematy:

material science
3D printing
photostress investigation
inżynieria materiałowa
druk 3D
analiza photostress

Opis:

In this paper a theoretical analysis of load cases will be constructed, which are the most difficult to be determined during numerical simulations. The development of the design principles and methods are significantly influenced by technology development. Inappropriate design procedures and incomplete knowledge of the loads presents a significant risk factor. A strong emphasis should be put on determining the applicable conditions of coating layered optical photostress investigations for simplification of product validation. Future research should be focused on the views of industry representatives. Particular attention should be paid to the further clarification of the used 3D printing material properties and characteristics because these determine the conditions and limits of applicability. This would be a new application field of 3D printing.

Źródło:

Production Engineering Archives; 2015, 7, 2; 16-19
2353-5156
2353-7779

Pojawia się w:

Production Engineering Archives

Dostawca treści:

Biblioteka Nauki

/5

Artykuł

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Skocz do pozycji: 4.

Tytuł:

Medical and military applications of 3D printing

Autorzy:

Mikołajewska, E.
Macko, M.
Mikołajewski, D.
Ziarnecki, Ł.
Stańczak, S.
Kawalec, P.

Powiązania:

https://bibliotekanauki.pl/articles/1395618.pdf

Data publikacji:

2016

Wydawca:

Akademia Wojsk Lądowych imienia generała Tadeusza Kościuszki

Tematy:

3D printing
3D scanning
reverse engineering
military applications
biomedical applications

Opis:

3D printing, 3D scanning and reverse engineering may constitute a significant breakthrough in research all over the world, especially within medical and military technologies. Particularly 3D printing seems to be a promising method to produce 3D objects manufactured layer-by-layer. The broader use of the above technologies may allow customization of various products and lower costs of design and production. At the same time progress in 3D printing technologies needs to be monitored and analyzed in order to deal with possible future threats. This article aims at investigating the extent to which the military and biomedical applications of 3D scanners and 3D printers are exploited, including in the framework of the authors’ own concepts, studies and observations.

Źródło:

Zeszyty Naukowe / Wyższa Szkoła Oficerska Wojsk Lądowych im. gen. T. Kościuszki; 2016, 1; 128-141
1731-8157

Pojawia się w:

Zeszyty Naukowe / Wyższa Szkoła Oficerska Wojsk Lądowych im. gen. T. Kościuszki

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 5.

Tytuł:

Design with use of 3D printing technology

Autorzy:

Rozmus, Magdalena
Dobrzaniecki, Piotr
Siegmund, Michał
Herrero, Juan Alfonso Gómez

Powiązania:

https://bibliotekanauki.pl/articles/409672.pdf

Data publikacji:

2020

Wydawca:

STE GROUP

Tematy:

3D printing
additive manufacturing
design
design process
FDM (Fused Deposition Method)
prototype

Opis:

Dynamic development of 3D printing technology contributes to its wide applicability. FDM (Fused Deposition Method) is the most known and popular 3D printing method due to its availability and affordability. It is also usable in design of technical objects – to verify design concepts with use of 3D printed prototypes. The prototypes are produced at lower cost and shorter time comparing to other manufacturing methods and might be used for a number of purposes depending on designed object’s features they reflect. In the article, usability of 3D printing method FDM for designing of technical objects is verified based on sample functional prototypes. Methodology applied to develop these prototypes and their stand tests are covered. General conclusion is that 3D printed prototypes manufactured with FDM method proved to be useful for verifying new concepts within design processes carried out in KOMAG.

Źródło:

Management Systems in Production Engineering; 2020, 4 (28); 283-291
2299-0461

Pojawia się w:

Management Systems in Production Engineering

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 6.

Tytuł:

Selected applications of the 3-D printing technology

Autorzy:

Garbarczyk, E.
Józefowicz, K.
Rybarczyk, A.

Powiązania:

https://bibliotekanauki.pl/articles/97612.pdf

Data publikacji:

2014

Wydawca:

Politechnika Poznańska. Wydawnictwo Politechniki Poznańskiej

Tematy:

FDM 3D printer
extruder
rapid prototyping
filament

Opis:

The spatial FDM Technology printing enables illustrating a great number of technical issues by creating a model of the analyzed object e.g. directly, during didactic classes. A three-dimensional printer may be used in any field of knowledge, from biology, where the printer can be employed for printing the models of organs (printing of the organs themselves is also possible following the modification of the printer - when printing with TAULMAN Nylon filament, we can print e.g. the elements of bones or cartilages which may be implanted into a living organism) to printing spare parts and prototype elements for equipment, in architecture for printing complex scale models etc. The printer itself is a fantastic device, interesting for many fields of study. The 3D printer will enable students to learn how to program the processors based on ATMega, may prepare new software controlling the printer, design 3D graphics on computers, edit “scans” and files downloaded from the Internet, use the CAD software in practice and print the results acquired on the sets of printers. Moreover, each printer may be freely modified according to our own needs - from the change or transfer of the drive to replaceable extruders - the mechanisms forcing materials. The printer may also be changed into a laser plotter or even a milling machine following a slight modification of the extruder’s carriage or changing force belts into ball screws [1-4].

Źródło:

Computer Applications in Electrical Engineering; 2014, 12; 444-451
1508-4248

Pojawia się w:

Computer Applications in Electrical Engineering

Dostawca treści:

Biblioteka Nauki

/5

Artykuł

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Skocz do pozycji: 7.

Tytuł:

Medical and military applications of 3D printing

Autorzy:

Mikołajewska, Emilia.
Macko, Marek.
Mikołajewski, Dariusz.
Ziarnecki, Łukasz.
Stańczak, Sonia.
Kawalec, Patryk.

Powiązania:

Zeszyty Naukowe / Wyższa Szkoła Oficerska Wojsk Lądowych im. gen. T. Kościuszki 2016, nr 1, s. 128-141

Data publikacji:

2016

Tematy:

Drukowanie przestrzenne stosowanie wojsko
Drukowanie przestrzenne stosowanie medycyna
Grafika trójwymiarowa
Drukowanie 3D

Opis:

Rys.
Bibliogr.

Dostawca treści:

Bibliografia CBW

/5

Artykuł

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Skocz do pozycji: 8.

Tytuł:

Modified titanium dioxide for 3D printing applications

Autorzy:

Sztorch, Bogna
Głowacka, Julia
Hanuszewska, Anna
Romańczuk-Ruszuk, Eliza
Konieczna, Roksana
Przekop, Robert

Powiązania:

https://bibliotekanauki.pl/chapters/2204277.pdf

Data publikacji:

2022

Wydawca:

Politechnika Białostocka. Oficyna Wydawnicza Politechniki Białostockiej

Tematy:

biocomposites
PLA
titanium dioxide
pigments
organosilicon modifiers
functional nanocomposites

Opis:

This chapter describes the methodology of obtaining polylactide (PLA) biocomposites with the TiO2 modified by organosilicon compounds: disiloxane and functionalized octaspherosilicate designed for use in additive technologies. The paper presents general information about polylactide, titanium dioxide and the used organosilicon modifiers (silsesqioxanes and polysiloxanes). In the paper the authors compare the effect of two types of TiO2 from different manufacturers on the properties of polymer biocomposites, which can be used in biomedical applications. The properties of the obtained composites with the use of additive FDM technology were characterized mechanically (tensile strength, flexural strength, impact strength), and the particle size of the TiO2 pigment nanofillers used was measured. All the composites were pretreated using a plastic processing technique with two different mass ratios of TiO2 filler content (1.5%; 0.5%). The properties of PLA/TiO2 composites depend on the filler concentration. The applied fillers had a positive effect on the improvement of the mechanical properties of the produced polymer composites. This effect was additionally intensified by the introduction of organosilicon modifiers.

Źródło:

Advances in biomedical engineering; 165–179
9788367185400

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 9.

Tytuł:

Reshaping teaching and learning with 3D printing technologies

Autorzy:

Kolitsky, Michael A.

Powiązania:

https://bibliotekanauki.pl/articles/425889.pdf

Data publikacji:

2014

Wydawca:

Szkoła Główna Handlowa w Warszawie

Tematy:

3D printing techonology
3D scanners
3D printing technologies in eduaction

Opis:

The NMC (New Media Consortium) Horizon Report in 2014 listed 3D printing as a technology that is two to three years from widespread adoption. In this report, 3D printing was also classified as a disruptive technology especially for the manufacturing sector. A review of the current literature ranging from journal publications to news reports of how 3D printing technologies are changing the way teachers teach and students learn is the focus of this report. 3D printing technologies include 3D printers, 3D scanners and the recently introduced 3Doodler pen. The widespread rise in popularity of 3D printing technologies is directly correlated with their availability at a lower cost in the consumer market. 3D printing technologies are causing educators to refocus attention from the digital or virtual environment to the real world, where 3D printed objects can be touched and felt. The stl (stereolithography) file is the common file type used for 3D printing and although CAD (computer-aided design) software is the ideal software for making stl files, there are other software choices for producing CAD-free stl files like PhotoToMesh and 123D Catch. How 3D printing technologies are currently being used across the curriculum by teachers as well as students demonstrates the increasing interest in and success with its usage in the learning environment. The growing interest in making and using 3D printed tactile learning objects by the blind or visually impaired points to a future where image-intensive courses and textbooks will have available 3D prints when touch is the primary method for learning. 3D printing and related technologies appear poised to become even more significant as it becomes clearer from the work of early adopters how best these technologies can be employed for teaching and learning.

Źródło:

e-mentor. Czasopismo naukowe Szkoły Głównej Handlowej w Warszawie; 2014, 4 (56); 84-94
1731-6758
1731-7428

Pojawia się w:

e-mentor. Czasopismo naukowe Szkoły Głównej Handlowej w Warszawie

Dostawca treści:

Biblioteka Nauki

/5

Artykuł

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Skocz do pozycji: 10.

Tytuł:

The safety durning 3D printing of technical objects

Autorzy:

Krmela, J.
Krmelová, V.

Powiązania:

https://bibliotekanauki.pl/articles/370944.pdf

Data publikacji:

2018

Wydawca:

Wyższa Szkoła Zarządzania Ochroną Pracy w Katowicach

Tematy:

3D printing
safety
PLA
temperature
settings
control
drukowanie 3D
temperatura
ustawienia
sterowanie

Opis:

The paper deals with 3D printing of technical objects at 3D printer GERMAN RepRap X400. This printer is designed for large format industrial 3D printing. The paper focuses on technology of 3D printing, preparing of geometrical 3D model for printing with use freeware Repetier Host and commercial software Simplify, comparing these programs, setting the parameters for 3D printing from the perspective of quality of printed objects and 3D printer control from afar with using software Repetier Server or other freeware. It is possible printing with different materials, not only standard ABS and PLA. The printer has DD3 Dual extruder. The extruders can be heated to 290°C. Maximum temperature of heated bed is 120°C. Printing Plate Carbon is used for 3D printing or other preparing pad. This paper also includes verification of correct temperature distribution of heated bed by thermal imaging camera. On the basic experiments by thermal imaging camera, it was found the fact that the temperature difference of actual and set temperatures of a heated bed are increasing with increasing temperature. If the bed temperature is to be at real 60°C, then setting must be approx. 6°C higher, so the set temperature must be 66°C. In contrast, the control of the extruder nozzles confirmed that the actual temperature is nearly such as the set temperature.
Artykuł dotyczy druku 3D obiektów technicznych w drukarce 3D GERMAN RepRap X400. Ta drukarka jest przeznaczona do przemysłowego druku 3D w dużym formacie. Artykuł koncentruje się na technologii druku 3D, przygotowaniu geometrycznego modelu 3D do druku z wykorzystaniem darmowego oprogramowania Repecier Host i komercyjnego oprogramowania Simplify, porównując te programy, ustawiając parametry druku 3D z perspektywy jakości drukowanych obiektów i sterowania drukarką 3D z daleka przy użyciu oprogramowania Repetier Server lub innego bezpłatnego oprogramowania. Możliwe jest drukowanie przy użyciu różnych materiałów, nie tylko standardowych ABS i PLA. Drukarka ma podwójną wytłaczarkę DD3. Wytłaczarki można ogrzać do 290°C. Maksymalna temperatura podgrzewanego złoża wynosi 120°C. Printing Plate Carbon służy do drukowania 3D lub innych podkładek przygotowawczych. Artykuł zawiera również weryfikację prawidłowego rozkładu temperatury ogrzewanego złoża za pomocą kamery termowizyjnej. Na podstawie podstawowych eksperymentów przeprowadzonych za pomocą kamery termowizyjnej stwierdzono, że wraz ze wzrostem temperatury wzrasta różnica temperatury rzeczywistych i ustawionych temperatur podgrzewanego złoża. Jeżeli temperatura złoża ma wynosić rzeczywiście 60°C, ustawienie musi wynosić ok. 6°C wyżej, więc ustawiona temperatura musi wynosić 66°C. Natomiast sterowanie dyszami wytłaczarki potwierdziło, że rzeczywista temperatura jest prawie taka jak temperatura zadana.

Źródło:

Zeszyty Naukowe Wyższej Szkoły Zarządzania Ochroną Pracy w Katowicach; 2018, 1(14); 79-93
1895-3794
2300-0376

Pojawia się w:

Zeszyty Naukowe Wyższej Szkoły Zarządzania Ochroną Pracy w Katowicach

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 11.

Tytuł:

Thermoplastic polyurethanes for mining application processing by 3D printing

Autorzy:

Mrówka, M.
Szymiczek, M.
Lenża, J.

Powiązania:

https://bibliotekanauki.pl/articles/367236.pdf

Data publikacji:

2019

Wydawca:

Stowarzyszenie Komputerowej Nauki o Materiałach i Inżynierii Powierzchni w Gliwicach

Tematy:

thermoplastic polyurethane
3D printing
mechanical tests
aging
processing
poliuretan termoplastyczny
drukowanie 3D
badania mechaniczne
starzenie
przetwarzanie

Opis:

Purpose: Thermoplastic polyurethanes (TPU) found application in mining. Due to the excellent processing properties, thermoplastic polyurethanes can be also use to make elements that would facilitate miner's work. These elements, however, differ in dimensions depending on the person who is going to use them, that is why they should be personalized. In case of all the above studies, the elements or stuffs were made by means of the injection method. This method limits the possibility of producing mining’s stuff only to models that have a mould. The 3D printing technology developing rapidly throughout the recent years allows for high-precision, personalized elements’ printing, made of thermoplastic materials. Design/methodology/approach: The samples from thermoplastic polyurethanes were made using 3D printing and then subjected to the aging process at intervals of 2, 7 and 30 days. The samples were then subjected to a static tensile tests, hardness tests and FT-IR spectroscopy. Findings: The obtained results of mechanical tests and IR analyses show that the aging process in mine water does not affect the mechanical properties of the samples regardless of the aging time. IR spectral analysis showed no changes in the structure of the main and side polyurethane chains. Both mechanical and spectral tests prove that polyurethanes processed using 3D printing technology can be widely used in mining. Research limitations/implications: Only one type of TPU was processed in this work. Further work should show that synthetic mine water does not degrade the mechanical properties of other commercially available TPUs. Practical implications: The additive technology allows getting elements of mining clothing, ortheses, insoles or exoskeleton elements adapted to one miner. Originality/value: The conducted tests allowed to determine no deterioration of the mechanical properties of samples aged in synthetic mine water. TPU processing using 3D printing technology can be used in mining.

Źródło:

Journal of Achievements in Materials and Manufacturing Engineering; 2019, 95, 1; 13-19
1734-8412

Pojawia się w:

Journal of Achievements in Materials and Manufacturing Engineering

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 12.

Tytuł:

Increasing of Rapid Prototyping Performance By 3d Printing Technologies

Autorzy:

Matsi, B.
Otto, T.
Roosimölder, L.

Powiązania:

https://bibliotekanauki.pl/articles/971219.pdf

Data publikacji:

2009

Wydawca:

Wrocławska Rada Federacji Stowarzyszeń Naukowo-Technicznych

Tematy:

rapid prototyping (RP)
3D printing
product development
performance of rapid manufacturing

Opis:

Rapid prototyping (RP) is being recognised as a significant technology for future product development. One of the most effective RP technologies is 3D printing. A three dimensional object is created by layering and connecting successive cross sections of material. Therefore this new RP methodology is generally faster, more affordable and easier to use than any other additive fabrication technologies. This paper analyses performance of RP methods and compares these based on use-cases. Prototypes of casing type details have been created using different RP technologies. Productivity of product development process and 3D printing has been investigated. A problem in differences between physical prototypes compared to existing computer model (digital prototype) can be diminished by using comparative pre-testing. Case studies of increasing innovation capacity in development of casing type details have been analysed. In addition, suggestions for increasing innovation capacity and performance of rapid manufacturing have been made.

Źródło:

Journal of Machine Engineering; 2009, 9, 1; 121-129
1895-7595
2391-8071

Pojawia się w:

Journal of Machine Engineering

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 13.

Tytuł:

Antimicrobial properties of polymers used in 3D printing methods

Autorzy:

Ceynowa, Przemysław
Czerwińska, Ewa
Szparaga, Łukasz
Mydłowska, Katarzyna
Ratajski, Jerzy

Powiązania:

https://bibliotekanauki.pl/articles/285391.pdf

Data publikacji:

2019

Wydawca:

Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Polskie Towarzystwo Biominerałów

Źródło:

Engineering of Biomaterials; 2019, 22, no.153; 54
1429-7248

Pojawia się w:

Engineering of Biomaterials

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 14.

Tytuł:

3D printing makes virtual world more real for blind learners

Autorzy:

Kolitsky, Michael A.

Powiązania:

https://bibliotekanauki.pl/articles/426107.pdf

Data publikacji:

2016

Wydawca:

Szkoła Główna Handlowa w Warszawie

Tematy:

3D printing
virtual world
blind learners

Opis:

Transition of the real world into the virtual world has been ongoing in online and on-ground classrooms and labs for many years. But the more the world goes virtual, the more difficult it becomes for those who are blind or visually impaired to participate fully in the learning process. The main thrust of this report is to explore how 3D printing and the use of conductive filament can begin to reverse that process by making 3D printed talking tactile learning objects that can generate audio when touched after being placed on the surface of an iPad or other tablet computer. Examples of talking tactile learning objects from STEAM (Science, Technology, Engineering, Arts and Math) disciplines will be presented with a focus on how the design of 3D printed STEAM learning objects can lead to a common learning object template model. The template can be designed to serve as a learning tool not only for a blind or visually impaired student but also can work as well for a sighted student or a teacher, aide or parent demonstrating how universal design principles can drive the learning object production process.

Źródło:

e-mentor. Czasopismo naukowe Szkoły Głównej Handlowej w Warszawie; 2016, 1 (63); 65-70
1731-6758
1731-7428

Pojawia się w:

e-mentor. Czasopismo naukowe Szkoły Głównej Handlowej w Warszawie

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 15.

Tytuł:

The application of 3D printing in neurosurgery: present and future

Autorzy:

Dzierżanowska, Nadia
Krakowiak, Mateusz
Sokal, Paweł
Myszkowska, Barbara

Powiązania:

https://bibliotekanauki.pl/articles/2203247.pdf

Data publikacji:

2023-06-07

Wydawca:

Gdański Uniwersytet Medyczny

Tematy:

neurosurgery
3D printing
bioprinting
anatomical models

Opis:

Background: For about 20 years we have been observing the development of three-dimensional (3D) printing. The aim of this study was to systematize the current knowledge on the use of 3D printing technology in neurosurgery and to aetmpt an outline the future paths of its development. Material and methods: The analysis was based on English-language literature from 2017-2021 indexed in the Mendeley and Scopus databases. Results: The application of 3D printing in neurosurgery concerns: 1) teaching students, 2) training of residents neurosurgeons, 3) individualized surgery planning, 4) dedicated cranial and spinal implants, 5) the future of 3D printing in neurosurgical implantology. There were 5 main neurosurgery subtopics in which 3D printing was used: “vascular neurosurgery” (31%), “skull, cranial neurosurgery” (22.4%), “neuro-oncology” (19.3%), “spine” (14.3%) and “others” (13%). The number of published articles has been steadily increasing by 11-33% annually. Conclusion: 3D printing has an enormous potential for clinical use and in the we will continue to observe its dynamic development. In neurosurgery 3D prints are currently most commonly used for didactic purposes as detailed anatomical models, for training residents and young surgeons and by specialists for the simulation of complex or innovative surgeries. The future of the use of additive 3D printing in neurosurgery lies in the biological 3D printing, the creation of artifcial organs and the development of biological implants in tissue engineering. Dzierżanowska N, Krakowiak M, Sokal P. The application of 3D printing in neurosurgery: present and future. Eur J Transl Clin Med. 2023;6(1):70-78.

Źródło:

European Journal of Translational and Clinical Medicine; 2023, 6, 1; 70-78
2657-3148
2657-3156

Pojawia się w:

European Journal of Translational and Clinical Medicine

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 16.

Tytuł:

Inkjet 3D printing – towards new micromachining tool for MEMS fabrication

Autorzy:

Walczak, R,

Powiązania:

https://bibliotekanauki.pl/articles/200235.pdf

Data publikacji:

2018

Wydawca:

Polska Akademia Nauk. Czytelnia Czasopism PAN

Tematy:

inkjet 3D printing
MEMS
micromachining
lab-on-a-chip
mikroobróbka
druk atramentowy

Opis:

Three-dimensional (3D) printing has the potential to transform science and technology by creating bespoke, low-cost appliances that previously required dedicated facilities in order to be made. An attractive and promising research field comes in the form of using 3D printing to create MEMS, including microfluidic structures. In this paper, a discussion on applicability of inkjet 3D printing (i3Dp) for MEMS fabrication is presented on the base of works carried out by a team led by the author.

Źródło:

Bulletin of the Polish Academy of Sciences. Technical Sciences; 2018, 66, 2; 179-186
0239-7528

Pojawia się w:

Bulletin of the Polish Academy of Sciences. Technical Sciences

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 17.

Tytuł:

Study of selected properties of PLA used in 3D printing

Autorzy:

Sośniak, K.
Biela, D.
Szalaty, D.
Ścieszka, M.
Polok-Rubiniec, M.
Włodarczyk-Fligier, A.
Kania, A.

Powiązania:

https://bibliotekanauki.pl/articles/24200651.pdf

Data publikacji:

2023

Wydawca:

Stowarzyszenie Komputerowej Nauki o Materiałach i Inżynierii Powierzchni w Gliwicach

Tematy:

materials
biomaterials
PLA
3D printing
FEM
materiały
biomateriały
druk 3D
MES
metoda elementów skończonych

Opis:

Purpose This study focuses on determining the best possible structure of the orthosis made with FDM 3D printing technology. To produce the samples, a thermoplastic PLA material was selected that met the conditions of biodegradability, biocompatibility and non-toxicity. The samples produced were subjected to a tensile strength test and corrosion resistance. Design/methodology/approach Studies based on FEM analysis were carried out using the advanced engineering software CAE - Inventor. The samples were designed in the CAD system, while the G-Code path was generated using the PrusaSlicer 2.5.0 program dedicated to the Prusa i3 MK3S+ printer, which was used to create the models. Surface morphology observations of PLA were carried out with a Zeiss SUPRA 35 scanning electron microscope (SEM). The static tensile test was performed on the Zwick/Roell z100 device based on the PN-EN ISO 527:1 standard. Electrochemical corrosion tests were carried out using the Autolab PGSTAT302N Multi BA potentiostat in Ringer solution at a temperature of 37ºC. Findings The research allowed the appropriate structure of the orthosis made of PLA polymer material using 3D FDM printing technology. The static tensile test, SEM and corrosion tests confirmed the correct application of this material for the selected purpose. It was possible to determine that samples with holes of 10 mm had the highest strength properties. Due to the tensile tests, the average tensile strength of those samples was around 61 MPa. The corrosion parameters of PLA were determined using Tafel analysis. Research limitations/implications The research methodology proposed in work can be used to study other biomedical materials. The results presented can be the basis for further tests in order to search for the best orthopaedic stabiliser. Originality/value The innovative part of the article are three different versions of structures intended for making orthoses used in medicine.

Źródło:

Journal of Achievements in Materials and Manufacturing Engineering; 2023, 116, 2; 72--79
1734-8412

Pojawia się w:

Journal of Achievements in Materials and Manufacturing Engineering

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 18.

Tytuł:

Comparison of 3D printing MJP and FDM technology in dentistry

Autorzy:

Taczała, J.
Czepułkowska, W.
Konieczny, B.
Sokołowski, J.
Kozakiewicz, M.
Szymor, P.

Powiązania:

https://bibliotekanauki.pl/articles/1818497.pdf

Data publikacji:

2020

Wydawca:

Stowarzyszenie Komputerowej Nauki o Materiałach i Inżynierii Powierzchni w Gliwicach

Tematy:

CAD/CAM
dental materials
FDM
MJP
3D printing
materiały dentystyczne
drukowanie 3D

Opis:

Purpose: Many printers are tempting at low prices, but later their accuracy turns out to be insufficient. The study has included checking the accuracy of printing and reproducing details of 3D printers used in dental technology and dentistry such as MultiJet Printing (ProJet MP3000, 3D Systems) and Fused Deposition Modelling (Inspire S2000, Tiertime). Design/methodology/approach: The 3D prints were created from scans of the maxillary gypsum model with the loss of left premolar. In the test, objects were set to the X and Y-axis. In order to check the dimensional differences after printing, scans of the printed models were superimposed on scans of the plaster model in the GOM Inspect V8 SR1 (Braunschweig, Germany). The focus was on the distance of scans from each other and a deviation map was created for each object. Findings: The average absolute value of deviations for each of models were equalled: FDM- for X-axis 0.06 ± 0.04 mm, for Y-axis 0.07 ± 0.04 mm; MJP- for X-axis- 0.04 ± 0.02 mm, for Y-axis- 0.06 ± 0.02 mm. A chart of arithmetic averages calculated for each tooth for the best printouts in each series show that higher deviation values exist in case of FDM printout. The models printed in the X-axis have smaller values of deviations from those printed in the Y-axis. Practical implications: MultiJet Printing technology can be used to create more precise models than the FDM, but these printouts meet the requirements of dimensional accuracy too. Originality/value: CAD / CAM technology in the future will exist in every dental technology laboratory so it is important to be aware of the way the 3D printers works. By paying attention to the quality of detail reproduction, a Dental Technician is able to choose the best 3D printer for them.

Źródło:

Archives of Materials Science and Engineering; 2020, 101, 1; 32--40
1897-2764

Pojawia się w:

Archives of Materials Science and Engineering

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 19.

Tytuł:

Grey Cast Iron Locally Reinforced Using 3D Printing Scaffold Insert

Autorzy:

Przyszlak, N.
Dulska, A.
Wróbel, T.
Szajnar, J.

Powiązania:

https://bibliotekanauki.pl/articles/380636.pdf

Data publikacji:

2018

Wydawca:

Polska Akademia Nauk. Czytelnia Czasopism PAN

Tematy:

grey cast iron
3D printing insert
Titanium
hardness
abrasive wear
żeliwo szare
wkład do druku 3D
tytan
twardość
zużycie ścierne

Opis:

The paper presents an innovative method of creating the layered castings. The innovation relies on application the 3D printing insert obtaining in SLM (selective laser melting) method. This type of scaffold insert made from pure Ti powder, was placed into mould cavity directly before pouring by grey cast iron. In result of used method was obtained grey cast iron casting with surface layer reinforced by titanium carbides. In range of studies were carried out metallographic researches using light microscope and scanning electron microscope, microhardness measurements and abrasive wear resistance. On the basis of obtaining results was stated that there is a possibility of reinforcing surface layer of the grey cast iron casting by using 3D printing scaffold insert in the method of mould cavity preparation. Moreover there was a local increase in hardness and abrasive wear resistance in spite of the precipitation of titanium carbides in surface layer of grey cast iron. While the usable properties of composite surface layer obtained in result of use of the method presented in the paper, strongly depend of dimensions of scaffold insert, mainly parameters Re and Ri.

Źródło:

Archives of Foundry Engineering; 2018, 18, 1; 99-102
1897-3310
2299-2944

Pojawia się w:

Archives of Foundry Engineering

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 20.

Tytuł:

Thermovisual measurements of 3D printing of ABS and PLA filaments

Autorzy:

Zgryza, Łukasz
Raczyńska, Anna
Paśnikowska-Łukaszuk, Magdalena

Powiązania:

https://bibliotekanauki.pl/articles/102174.pdf

Data publikacji:

2018

Wydawca:

Stowarzyszenie Inżynierów i Techników Mechaników Polskich

Tematy:

thermovisual measurement
3D printers
ABS
PLA
FDM

Opis:

This paper presents the use of 3D printing and discusses two types of materials used in 3D printing, i.e. ABS (Acrylonitrile Butadiene Styrene) and PLA (Polylactide). Next, it presents the thermovisual measurementscarried out on 3D printed samples (FDM method - fused deposition modelling) of these materials. The temperature zones that occurred during printing were determined. The geometrical dimensions of samples from the same material that were printed under different conditions were compared. The height of the printed object has a large influence on temperature distribution on its surface and the printing time does not differ significantly when printing with PLA or ABS.

Źródło:

Advances in Science and Technology. Research Journal; 2018, 12, 3; 266-271
2299-8624

Pojawia się w:

Advances in Science and Technology. Research Journal

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 21.

Tytuł:

Computational intelligence in development of 3D printing and reverse engineering

Autorzy:

Rojek, Izabela
Mikołajewski, Dariusz
Nowak, Joanna
Szczepański, Zbigniew
Macko, Marek

Powiązania:

https://bibliotekanauki.pl/articles/2173553.pdf

Data publikacji:

2022

Wydawca:

Polska Akademia Nauk. Czytelnia Czasopism PAN

Tematy:

additive manufacturing
three-dimensional printing
computational intelligence
optimization
drukowanie przestrzenne
wytwarzanie przyrostowe
AM
druk trójwymiarowy
inteligencja obliczeniowa
optymalizacja

Opis:

Computational intelligence (CI) can adopt/optimize important principles in the workflow of 3D printing. This article aims to examine to what extent the current possibilities for using CI in the development of 3D printing and reverse engineering are being used, and where there are still reserves in this area. Methodology: A literature review is followed by own research on CI-based solutions. Results: Two ANNs solving the most common problems are presented. Conclusions: CI can effectively support 3D printing and reverse engineering especially during the transition to Industry 4.0. Wider implementation of CI solutions can accelerate and integrate the development of innovative technologies based on 3D scanning, 3D printing, and reverse engineering. Analyzing data, gathering experience, and transforming it into knowledge can be done faster and more efficiently, but requires a conscious application and proper targeting.

Źródło:

Bulletin of the Polish Academy of Sciences. Technical Sciences; 2022, 70, 1; e140016, 1--9
0239-7528

Pojawia się w:

Bulletin of the Polish Academy of Sciences. Technical Sciences

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 22.

Tytuł:

First attempts to 3D printing spine implants : human spine biomechanics

Autorzy:

Gaweł, M.
Guia, A.
Jasik, K. P.
Swinarew, B.
Okła, H.
Swinarew, A.

Powiązania:

https://bibliotekanauki.pl/articles/278722.pdf

Data publikacji:

2016

Wydawca:

Sieć Badawcza Łukasiewicz - Instytut Inżynierii Materiałów Polimerowych i Barwników

Tematy:

spine
vertebra
metric properties
mechanical properties
implant
kręgosłup
kręg
właściwości metryczne
właściwości mechaniczne

Opis:

The purpose of this paper was to obtain and compare information about spine metrics properties and indicate of polymer materials for the manufacture of spinal implants using 3D printing. The resulting properties will allow to select the material which have similar spine metrics properties or better. The literature review will be helpful to develop methodology of 3D printing in producing implants of the vertebrae and intervertebral discs (Val). The project consists three main phases: creation a creation model which is based on generating of a 3D model (Val) discs of tomographic images spine using software specially developed for medical image processing and CAD software (Val) discs, creation of a prototype implant and performance strength tests on the obtained implant.

Źródło:

Przetwórstwo Tworzyw; 2016, T. 22, Nr 2 (170), 2 (170); 60-65
1429-0472

Pojawia się w:

Przetwórstwo Tworzyw

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 23.

Tytuł:

Geometrical Accuracy of Threaded Elements Manufacture by 3D Printing Process

Autorzy:

Budzik, Grzegorz
Dziubek, Tomasz
Kawalec, Andrzej
Turek, Paweł
Bazan, Anna
Dębski, Mariusz
Józwik, Jerzy
Poliński, Przemysław
Kiełbicki, Mateusz
Kochmański, Łukasz
Oleksy, Mariusz
Cebulski, Józef
Paszkiewicz, Andrzej
Kuric, Ivan

Powiązania:

https://bibliotekanauki.pl/articles/2201896.pdf

Data publikacji:

2023

Wydawca:

Stowarzyszenie Inżynierów i Techników Mechaników Polskich

Tematy:

additive manufacturing
surface roughness
computer measurement system
threaded elements

Opis:

Additive processes allow for almost any manufacturing of screw-threaded joint elements. However, this requires knowledge of the geometrical relationships of a threaded itself and the strength of materials from which the screw-threaded joint is made. Thanks to the development of research models and conducting tests related to dimensional accuracy and surface roughness, it was possible to test the models made by MEX process of ABS-M30, PLA, ABS, PETG materials, and PolyJet process from RGD720 polymer material.In the case of measurements carried out on the MarSurf XC20 system, the internal and external thread profile was obtained.Measurements of the surface roughness of the printed models were made using the Taylor Hobson TalyScan 150 profilometer. Based on the obtained surface, following the ISO 25178-2 standard, selected parameters were determined.

Źródło:

Advances in Science and Technology. Research Journal; 2023, 17, 1; 35--45
2299-8624

Pojawia się w:

Advances in Science and Technology. Research Journal

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 24.

Tytuł:

3D printing technology for the prototyping of prosthesis construction and exoskeletons

Autorzy:

Rajczyk, Paweł
Bednarczyk, Karolina

Powiązania:

https://bibliotekanauki.pl/articles/2067610.pdf

Data publikacji:

2020

Wydawca:

Politechnika Częstochowska

Tematy:

hand prosthesis
exoskeleton
3D printing
mechanical prosthesis
biomedical engineering
proteza ręki
egzoszkielet
drukowanie 3D
proteza mechaniczna
inżynieria biomedyczna

Opis:

The article discusses the manufacturing a limb prosthesis and exoskeleton using 3D printing technology. Hand prostheses available on the market and the direction of development in the construction of exoskeletons have been characterized. An example of a prosthesis made using incremental technology by the FFF/FDM method using a Zortrax M200 printer is presented. The mechanism of prosthesis work and elements of exoskeleton construction as well as the general characteristics of materials used are described. Attention was paid to the low cost of printing the components of the prototype structures.

Źródło:

Zeszyty Naukowe Politechniki Częstochowskiej. Budownictwo; 2020, 26 (176); 162-167
0860-7214

Pojawia się w:

Zeszyty Naukowe Politechniki Częstochowskiej. Budownictwo

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 25.

Tytuł:

Intelligent system supporting technological process planning for machining and 3D printing

Autorzy:

Rojek, Izabela
Mikołajewski, Dariusz
Kotlarz, Piotr
Macko, Marek
Kopowski, Jakub

Powiązania:

https://bibliotekanauki.pl/articles/2090703.pdf

Data publikacji:

2021

Wydawca:

Polska Akademia Nauk. Czytelnia Czasopism PAN

Tematy:

artificial intelligence
AI
intelligent system
technological process
machining
3D printing
sztuczna inteligencja
system inteligentny
proces technologiczny
obróbka skrawaniem
druk 3D

Opis:

The study aimed to develop a system supporting technological process planning for machining and 3D printing. Such a system should function similarly to the way human experts act in their fields of expertise and should be capable of gathering the necessary knowledge, analysing data, and drawing conclusions to solve problems. This could be done by utilising artificial intelligence (AI) methods available within such systems. The study proved the usefulness of AI methods and their significant effectiveness in supporting technological process planning. The purpose of this article is to show an intelligent system that includes knowledge, models, and procedures supporting the company’s employees as part of machining and 3D printing. Few works are combining these two types of processing. Nowadays, however, these two types of processing overlap each other into a common concept of hybrid processing. Therefore, in the opinion of the authors, such a comprehensive system is necessary. The system-embedded knowledge takes the form of neural networks, decision trees, and facts. The system is presented using the example of a real enterprise. The intelligent expert system is intended for process engineers who have not yet gathered sufficient experience in technological-process planning, or who have just begun their work in a given production enterprise and are not very familiar with its machinery and other means of production.

Źródło:

Bulletin of the Polish Academy of Sciences. Technical Sciences; 2021, 69, 2; e136722, 1--8
0239-7528

Pojawia się w:

Bulletin of the Polish Academy of Sciences. Technical Sciences

Dostawca treści:

Biblioteka Nauki

/5

Artykuł

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Skocz do pozycji: 26.

Tytuł:

Intelligent system supporting technological process planning for machining and 3D printing

Autorzy:

Rojek, Izabela
Mikołajewski, Dariusz
Kotlarz, Piotr
Macko, Marek
Kopowski, Jakub

Powiązania:

https://bibliotekanauki.pl/articles/2173593.pdf

Data publikacji:

2021

Wydawca:

Polska Akademia Nauk. Czytelnia Czasopism PAN

Tematy:

artificial intelligence
AI
intelligent system
technological process
machining
3D printing
sztuczna inteligencja
system inteligentny
proces technologiczny
obróbka skrawaniem
druk 3D

Opis:

The study aimed to develop a system supporting technological process planning for machining and 3D printing. Such a system should function similarly to the way human experts act in their fields of expertise and should be capable of gathering the necessary knowledge, analysing data, and drawing conclusions to solve problems. This could be done by utilising artificial intelligence (AI) methods available within such systems. The study proved the usefulness of AI methods and their significant effectiveness in supporting technological process planning. The purpose of this article is to show an intelligent system that includes knowledge, models, and procedures supporting the company’s employees as part of machining and 3D printing. Few works are combining these two types of processing. Nowadays, however, these two types of processing overlap each other into a common concept of hybrid processing. Therefore, in the opinion of the authors, such a comprehensive system is necessary. The system-embedded knowledge takes the form of neural networks, decision trees, and facts. The system is presented using the example of a real enterprise. The intelligent expert system is intended for process engineers who have not yet gathered sufficient experience in technological-process planning, or who have just begun their work in a given production enterprise and are not very familiar with its machinery and other means of production.

Źródło:

Bulletin of the Polish Academy of Sciences. Technical Sciences; 2021, 69, 2; art. no. e136722
0239-7528

Pojawia się w:

Bulletin of the Polish Academy of Sciences. Technical Sciences

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 27.

Tytuł:

Hydrogel scaffolds for medical applications obtained by indirect 3D-printing method

Autorzy:

Pietryga, Krzysztof
Pamuła, Elżbieta

Powiązania:

https://bibliotekanauki.pl/articles/284894.pdf

Data publikacji:

2019

Wydawca:

Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Polskie Towarzystwo Biominerałów

Źródło:

Engineering of Biomaterials; 2019, 22, no.153; 93
1429-7248

Pojawia się w:

Engineering of Biomaterials

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 28.

Tytuł:

Selected Aspects of 3D Printing for Emergency Replacement of Structural Elements

Autorzy:

Jasiński, Krzysztof
Murawski, Lech
Kluczyk, Marcin
Muc, Adam
Szeleziński, Adam
Muchowski, Tomasz
Chodnicki, Marek

Powiązania:

https://bibliotekanauki.pl/articles/2201888.pdf

Data publikacji:

2023

Wydawca:

Stowarzyszenie Inżynierów i Techników Mechaników Polskich

Tematy:

modal analysis
cavity method
additive method
machine element repair

Opis:

The paper presents a synthetic characterization of modern methods of manufacturing or regenerating machine elements. Considered methods are machining and additive methods, in particular 3D printing in the FDM/FFF technique. For the study, the authors made samples of the holder bracket using selected methods. Samples made by machining operations, 3D printing with various filling were tested. The paper contains a technical and economic analysis of the production of a holder bracket using the discussed methods. The dynamics of steel and FDM/FFF printed samples were also assessed by determining their resonance curves. The vibration magnification fac-tors were analyzed - the quotient of the vibration amplitudes in the resonance to the static deformations that occurred under the influence of the constant force and the location of the vibration resonances - the natural frequencies for individual vibration modes. The study's main objective is to assess the possibility of emergency changing the manufacturing technology of selected machine components. The authors were interested in partially replacing costly and not environmentally friendly milling with 3D printing. Machine elements can be manufactured by printing in classical machine building and emergency conditions to replace a damaged component temporarily (e.g., on a ship, for the time of arrival at a port or shipyard). The main assumption guiding the authors during the preparation of this publication was the analysis of the possibility of using the production of "ad hoc" prepared spare parts and their use in the event of a lack of access to parts made of the intended materials.

Źródło:

Advances in Science and Technology. Research Journal; 2023, 17, 1; 274--289
2299-8624

Pojawia się w:

Advances in Science and Technology. Research Journal

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 29.

Tytuł:

Development of software for identification of filaments used in 3d printing technology

Autorzy:

Korga, Sylwester
Barszcz, Marcin
Dziedzic, Krzysztof

Powiązania:

https://bibliotekanauki.pl/articles/117810.pdf

Data publikacji:

2019

Wydawca:

Polskie Towarzystwo Promocji Wiedzy

Tematy:

programming
LabView
polymers
printing 3D
programowanie
polimery
drukowanie 3D

Opis:

The aim of the work was to develop a computer program that allows identification of polymer materials that are used in 3D printing technology. The computer program was made using the algorithm that concerns the method of thermal polymer degradation. Filament samples were prepared for this purpose and then set on fire. The collected data on the flammability of polymers was used in an algorithm that can make a decision to identify the name of the polymer. The software can be used to identify polymer prints used for 3D printing technology. The computer program supports the process of recycling plastics and supports ecological work.

Źródło:

Applied Computer Science; 2019, 15, 1; 74-83
1895-3735

Pojawia się w:

Applied Computer Science

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 30.

Tytuł:

Druk 3D w aspekcie zastosowań przemysłowych
3d printing for industrial applications

Autorzy:

Madej, Krzysztof
Kozioł, Przemysław
Arabik, Regina
Żyłka, Wojciech
Hołota, Bogumił

Powiązania:

https://bibliotekanauki.pl/articles/24200531.pdf

Data publikacji:

2023

Wydawca:

Wydawnictwo AWART

Tematy:

additive processing
filament
3D printing accuracy
wytwarzanie addytywne
włókno
dokładność druku 3D

Opis:

Przedstawiono potencjalne wykorzystanie druku 3D w różnych dziedzinach gospodarki, zwłaszcza w przemyśle, a w szczególności w sektorach: maszynowym, lotniczym i samochodowym. Przedstawiono zalety druku 3D, które zapewniają przewagę tej technologii nad tradycyjnymi metodami wytwarzania, tj. szybsze prototypowanie, zmniejszenie czasu produkcji i kosztów oraz większą swobodę projektową. Opisano również wady druku 3D, np. mniejsza wydajność i dokładność w porównaniu z tradycyjnymi metodami, a także koszty inwestycyjne. Podano najważniejsze wymagania, jakie powinny spełniać parametry przemysłowych drukarek 3D. Druk 3D pokazany został jako popularna i innowacyjna technika wytwarzania, która może stać się w przyszłości kluczową, szczególnie w dziedzinach wymagających elastyczności projektowej, a także w produkcji elementów o złożonych kształtach.
Potential applications of 3D printing in different areas of the economy were presented, especially in industry, especially in the mechanical, aerospace and automotive sectors. The advantages of 3D printing over traditional manufacturing methods are presented, i. e. faster prototyping, reduced production time and costs, and greater design liberty. It also describes the disadvantages of 3D printing, such as lower efficiency and accuracy compared to traditional methods, as well as investment costs. The most important requirements that should be met by the parameters of industrial 3D printers are given. 3D printing has been shown as a popular and innovative manufacturing technique that could become key in the future, particularly in areas requiring design flexibility, as well as in the production of components with complex shapes.

Źródło:

Obróbka Metalu; 2023, 2; 14--20
2081-7002

Pojawia się w:

Obróbka Metalu

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 31.

Tytuł:

Druk 3D w przemyśle samochodowym
3D printing in the automobile industry

Autorzy:

Kordowska, M.
Choromańska, M.
Musiał, W.
Plichta, J.

Powiązania:

https://bibliotekanauki.pl/articles/315147.pdf

Data publikacji:

2015

Wydawca:

Instytut Naukowo-Wydawniczy "SPATIUM"

Tematy:

systemy CAD
systemy CAM
proces technologiczny
drukowanie 3D
systems CAD
systems CAM
process technology
3D printing

Opis:

W artykule przedstawiono możliwość klasycznych oraz nowoczesnych technik wytwarzania różnego rodzaju elementów pojazdów samochodowych, na przykładzie wałka. Omówiono zagadnienia teoretyczne systemów CAD powszechnie wykorzystywanych w różnego rodzaju przedsiębiorstwach produkcyjnych. Opisano również systemy CAM i pokazano ich zastosowanie do opracowania procesu technologicznego zarówno w środowisku komputerowym jak i w rzeczywistości produkcyjnej. Kolejnym etapem było pokazanie innowacyjnego podejścia do procesu wytwarzania jakim jest stosowanie drukowania 3D.
The article presents the possibility of classical and modern techniques for producing various kinds of vehicles, for example of the roller. Discusses theoretical issues commonly used CAD systems in all kinds of manufacturing companies. Also described CAM systems and showing their application to the development process in both the computer and in reality production. The next step was to show an innovative approach to the manufacturing process which is the use of 3D printing.In this paper the modeling.

Źródło:

Autobusy : technika, eksploatacja, systemy transportowe; 2015, 16, 6; 123-128
1509-5878
2450-7725

Pojawia się w:

Autobusy : technika, eksploatacja, systemy transportowe

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 32.

Tytuł:

Assessment of surface waviness of casting patterns made using 3D printing technologies

Autorzy:

Zmarzły, Paweł
Gogolewski, Damian
Kozior, Tomasz

Powiązania:

https://bibliotekanauki.pl/articles/2204520.pdf

Data publikacji:

2023

Wydawca:

Polska Akademia Nauk. Czytelnia Czasopism PAN

Tematy:

3D printing
foundry industry
casting pattern
surface waviness
przemysł odlewniczy
falistość powierzchni
druk 3D
forma odlewnicza

Opis:

The application of 3D printers significantly improves the process of producing foundry patterns in comparison to traditional methods of their production. It should be noted that the quality of the surface texture of the foundry pattern is crucial because it affects the quality of the casting mold and eventually the finished casting. In most studies, the surface texture is examined by analyzing the 2D or 3D roughness parameters. This is a certain limitation because, in the case of 3D printing, the influence of technological parameters is more visible for irregularities of a longer range, such as surface waviness. In the paper, the influence of the 3D printing layer thickness on the formation of waviness of the surface of casting patterns was analyzed. Three 3D printers, differing in terms of printing technology and printing material, were tested: PJM (PolyJet Matrix), FDM (fused deposition modeling) and SLS (selective laser sintering). In addition, the surface waviness of patterns manufactured with traditional methods was analyzed. Surface waviness has been measured using the Form Talysurf PGI 1200 measuring system. Preliminary results of the research showed that the layer thickness significantly influences the values of waviness parameters of the surface in the casting patterns made with FDM, PJM and SLS additive technologies. The research results indicated that the smallest surface waviness as defined by parameters Wa, Wq and Wt was obtained for patterns printed using the PJM technology, while the highest was noted when using the FDM technology.

Źródło:

Bulletin of the Polish Academy of Sciences. Technical Sciences; 2023, 71, 1; art. no. e144585
0239-7528

Pojawia się w:

Bulletin of the Polish Academy of Sciences. Technical Sciences

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 33.

Tytuł:

Technologia druku 3D na zajęciach laboratoryjnych
3D printing technology in laboratory

Autorzy:

Garbarczyk, E.
Józefowicz, K.
Rybarczyk, A.

Powiązania:

https://bibliotekanauki.pl/articles/377432.pdf

Data publikacji:

2014

Wydawca:

Politechnika Poznańska. Wydawnictwo Politechniki Poznańskiej

Tematy:

drukarka 3D FDM
ekstruder
Rapid Prototyping

Opis:

Technologia drukowania przestrzennego FDM umożliwia zobrazowanie wielu zagadnień technicznych przez wytworzenie modelu analizowanego obiektu bezpośrednio na zajęciach dydaktycznych. Drukarkę trójwymiarową może wykorzystać każda dziedzina wiedzy: od biologii (drukowanie modeli narządów), po architekturę (tworzenie skomplikowanych makiet). Już sama drukarka jest świetnym narzędziem, które samo w sobie jest ciekawe dla wielu kierunków. Studenci mogą nauczyć się dzięki niej programowania procesorów opartych na ATMEDZE, mogą przygotowywać nowe programy sterujące drukarką, projektować grafikę 3D na komputerach a uzyskane rezultaty drukować na zestawach drukarek. Ponadto każdą drukarkę można dowolnie ulepszać wg. własnych potrzeb - od zmiany czy przeniesienia napędu po wymienne ekstrudery - mechanizmy tłoczące tworzywa [1, 4].
An interesting example of a student's project was presented. Printing technology spatial FDM laboratory classes allows imaging of many technical issues by producing a model of the analyzed object directly in the classroom teaching. Three-dimensional printer can use virtually every branch of science: biology (print models of organs), and architecture (the creation of complex mock-ups). Even the printer is a great tool, which in itself is interesting for a number of directions.

Źródło:

Poznan University of Technology Academic Journals. Electrical Engineering; 2014, 80; 245-251
1897-0737

Pojawia się w:

Poznan University of Technology Academic Journals. Electrical Engineering

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 34.

Tytuł:

Strength analysis of polymer conical gear wheel made with 3D printing technique

Autorzy:

Śpiewak, Szczepan
Awrejcewicz, Jan

Powiązania:

https://bibliotekanauki.pl/articles/243848.pdf

Data publikacji:

2019

Wydawca:

Instytut Techniczny Wojsk Lotniczych

Tematy:

exoskeleton
strength analysis
finite element method
FEM
material model of acrylonitrile-co-butadiene-co-styrene
conical gears

Opis:

The article deals with the problem of designing conical gears with a curved line contour. The contour of the tooth flank is described by means of a helix and involutions. In the work, a conical gear designed to drive of the lower limb rehabilitation exoskeleton has analysed. Parameters of the conical gearbox have been adapted to design requirements of the exoskeleton. Gear wheels were made with ABS material using 3D printing technique. The article presents the results of strength calculations obtained using the method classical design of the gear wheals described in the norm ISO 6336-1996. In the strength calculations, bending and contact stresses were taken into account. Creating the contour of gears was aided through the gearbox wizard available in Inventor program. The work contains the results of a static tensile test of the material from which the gear wheels were made. In experimental and numerical studies, the orthotropy of the material used was taken into account. The orthogonal values of the Young’s modulus, the Poisson’s ratio and the Kirchhoff’s modulus were determined. The publication also includes partial results of fatigue tests in the area of normal stresses. In the research used to finite element method (FEM), determine of internal loads in the gear. A structure of the FEM model is described in detail. Maximum values of contact pressures determined by use to FEM models have been compared with the results obtained on the basis of Hertz’s formulas. The article presents basic geometrical and strength parameters of the designed gear. The work demonstrates the validity of the material models used. Limitations in the application of the classic method of calculating conical gears made of orthotropic materials have been indicated. The results of analytical and numerical calculations are presented in tabular and graphical form.

Źródło:

Journal of KONES; 2019, 26, 3; 235-242
1231-4005
2354-0133

Pojawia się w:

Journal of KONES

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 35.

Tytuł:

Problems of determination of MultiJet 3D printing distortions using a 3D scanner

Autorzy:

Nowacki, J.
Sieczkiewicz, N.

Powiązania:

https://bibliotekanauki.pl/articles/1818509.pdf

Data publikacji:

2020

Wydawca:

Stowarzyszenie Komputerowej Nauki o Materiałach i Inżynierii Powierzchni w Gliwicach

Tematy:

3D printing technology
3D printing distortions
methods of combining 3D scans
3D scanners
technologia druku 3D
zniekształcenia druku 3D
metody łączenia skanów 3D
skanery 3D

Opis:

Purpose: Analysis and the review of 3D scanning methods, methods of combining 3D scans and tables available on the market (rotary, tilt and turn) as non-destructive testing systems of polymer materials. As the problem of deformation testing of elements produced by 3D printing is relatively novel, so far a small number of publications on this subject have been observed in terms of current solutions in the area of methodology and devices. Design/methodology/approach: 3D print samples have been prepared using MultiJet Printing (MJP), also called PolyJet Printing. The first sample was left in a UV oven and the second one in a dark cabinet, without access to sunlight (standard conditions 23/50 as described in ISO 554:1976). Non-contact structured blue light 3D metrology grade scanner was used to capture the entire part geometry for inspection. A comparison of subsequent scans after postcuring with reference scans after printing can indicate dimensional changes. The resulting scans are detailed enough to monitor shape and size changes over time. Findings: Universal 3D printing model beneficial in distortion analysis has been proposed. The method of evaluating 3D print distortions was verified using a metrology class 3D scanner. The results of this study show that deformations are declining through time to near the same values, the only difference is the rate of change of dimensions. Practical implications: Due to popularity and lower cost of polymer 3D printing, in comparison to metal 3D printing, an initial attempt to analyse the distortion of the locally melted substrate was done using MultiJet 3D printing with photopolymer material. The universal 3D print test part was proposed for verification of 3D printing deformations. Finally, the framework for the determination of 3D printing distortions is presented, taking into account the influence of UV postcuring. Originality/value: Analysis of a method to measure 3D printing distortions using a metrology grade 3D scanner is presented in the paper. Recently, this matter is becoming more and more important because many prototypes are increasingly produced by 3D printing and 3D printing distortions may cause many difficulties during the manufacturing and assembly process.

Źródło:

Archives of Materials Science and Engineering; 2020, 103, 1; 30--41
1897-2764

Pojawia się w:

Archives of Materials Science and Engineering

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 36.

Tytuł:

Testing materials used for 3D printing
Badania materiałów stosowanych do druku 3D

Autorzy:

Zahorski, Tomasz
Kowalski, Mirosław

Powiązania:

https://bibliotekanauki.pl/articles/38953896.pdf

Data publikacji:

2023

Wydawca:

Instytut Techniczny Wojsk Lotniczych

Tematy:

3D printing
3D printing material
material strength
strength testing
druk 3D
materiał do druku 3D
wytrzymałość materiału
badanie materiałowe

Opis:

The paper addresses issues related to 3D printing in repairing military equipment. It quoted a short story on the invention of the 3D printer and the development of printing technology. The significance of knowledge of the materials employed in 3D printing is discussed in the further part. To this end, the authors reviewed selected strength-related tests (tensile strength, in particular), to determine their application possibilities. Test samples were prepared based on a Polish standard and the material provided by two manufacturers. The tests were conducted using a Zwick Roell Z100 machine. The obtained results were presented as graphs. The paper is concluded by a short summary and an indication of further research.
W artykule poruszono kwestię druku 3D w naprawie sprzętu wojskowego. Przytoczono krótką historię drukarki 3D oraz rozwoju technologii druku. W dalszej części omówiono znaczenie znajomości materiałów stosowanych w druku 3D. W tym celu przedstawiono wybrane badania wytrzymałościowe, głównie wytrzymałość na rozciąganie, w celu określenia możliwości ich zastosowania. Próbki do badań wykonano w oparciu o polską normę i materiał dostarczony przez dwóch producentów. Badania zrealizowano na maszynie Zwick Roell Z100. Otrzymane wyniki przedstawiono graficznie na wykresach. Na zakończenie dokonano krótkiego podsumowania oraz wskazano kierunki dalszych prac.

Źródło:

Journal of KONBiN; 2023, 53, 4; 223-234
1895-8281
2083-4608

Pojawia się w:

Journal of KONBiN

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 37.

Tytuł:

3D printing technology as a tool in fabrication of elements for wheel model

Autorzy:

Leśniewicz, P.

Powiązania:

https://bibliotekanauki.pl/articles/106023.pdf

Data publikacji:

2017

Wydawca:

Centrum Badań i Innowacji Pro-Akademia

Tematy:

3D printing
fused deposition modelling
wheel
hub
supporting arm
druk 3D
osadzanie topionego materiału
koło
ramię podtrzymujące

Opis:

This paper illustrates an experience related to the use of 3D printing technology during the fabrication of elements for a supporting arm. The arm was a part of a test stand designed for an investigation of rotating wheels in contact with the ground. One of the crucial elements of a supporting arm is the hub, which was originally made from aluminium, however it was decided to replace it by the one made from ABS using 3D printing technology. The author decided to describe difficulties encountered during fabrication of the hub, together with a set of recommendations for future use of 3D printers.

Źródło:

Acta Innovations; 2017, 23; 5-16
2300-5599

Pojawia się w:

Acta Innovations

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 38.

Tytuł:

Dimensional accuracy of parts manufactured by 3d printing for interaction in virtual reality

Autorzy:

Górski, F.
Wichniarek, R.
Kuczko, W.
Zawadzki, P.
Buń, P.

Powiązania:

https://bibliotekanauki.pl/articles/957957.pdf

Data publikacji:

2017

Wydawca:

Stowarzyszenie Inżynierów i Techników Mechaników Polskich

Tematy:

3D Printing
dimensional accuracy
Virtual Reality
ultrasound head

Opis:

Realism of a Virtual Reality simulation can be improved by use of physical objects tracked in real time. The paper presents possibility of using low-cost FDM process, realized by MakerBot Replicator 2X machine, in comparison with a professional one to build tooling for a simulation of ultrasound examination procedure. The objects were manufactured on two different machines out of ABS material, 3D scanned for accuracy testing and finally possibilities of their use in a VR system were evaluated.

Źródło:

Advances in Science and Technology. Research Journal; 2017, 11, 4; 279-285
2299-8624

Pojawia się w:

Advances in Science and Technology. Research Journal

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 39.

Tytuł:

Computer aided and 3D printing in pre-operative planning of orbital reconstruction surgery

Autorzy:

Wyleżoł, M.
Muzalewska, M.
Szczodry, B.

Powiązania:

https://bibliotekanauki.pl/articles/1396455.pdf

Data publikacji:

2015

Wydawca:

Stowarzyszenie Inżynierów i Techników Mechaników Polskich

Tematy:

computer aided
reconstruction of the orbit
virtual model
haptic modeling
3D printing

Opis:

This article describes the example of a computer aided and 3D print of a patient’s fractured orbital preoperational reconstruction surgery planning. On basis of a medical visualization a triangular model of the facial part of the skull with the fractured orbital has been developed. Using the haptic voxel modeling tools the model has been improved and next the model of the reconstructed orbital has been made. This model served to build a physical model. Using the physical model of the orbital the reconstruction mesh has been made which was then implanted into the patient’s skull. The entire surgery was completed with no complications and the patient regained proper sight.

Źródło:

Advanced Technologies in Mechanics; 2015, 2, no. 3 (4); 20-30
2392-0327

Pojawia się w:

Advanced Technologies in Mechanics

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 40.

Tytuł:

One step 3D printing of surface functionalized composite scaffolds for tissue engineering applications

Autorzy:

Kotlarz, M.
Jordan, R.
Wegner, E.
Dobrzyński, P.
Neunzehn, J.
Lederer, A.
Wolf-Brandstetter, C.
Pamula, E.
Scharnweber, D.

Powiązania:

https://bibliotekanauki.pl/articles/306484.pdf

Data publikacji:

2018

Wydawca:

Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej

Tematy:

druk 3D
PLGA
węglan wapnia
właściwości powierzchniowe
3D printing
calcium carbonate
amphiphilic poly(2-oxazoline)
degradation
surface properties

Opis:

A successful approach widely used in materials science to adapt approved materials to specific applications is to design their surface properties. A main challenge in this area is the development of processing routes enabling for a simple but efficient surface design of complex shaped geometries. Against this background, this work aimed at the implementation of self-assembly principles for surface functionalization of 3D-printed poly(lactic-co-glycolic acid) (PLGA)-based constructs with macro- and microporous geometries via precision extruding deposition. Methods: Three-component melts from PLGA, CaCO3 and amphiphilic polymers (poly(2-oxazoline) block copolymer) were printed and their bulk and surface properties were studied. Results: Melts with up to 30 mass % of CaCO3 could be successfully printed with homogeneously distributed mineral particles. PLGA degradation during the printing process was temperature and time dependent: the molecular weight reached 10 to 15% of the initial values after ca. 120 min of heat exposure. Filament surfaces from melts containing CaCO3 show an increasing microroughness along with increasing CaCO3 content. Surface roughness and amphiphilic polymer content improve scaffold wettability with both factors showing synergistic effects. The CaCO3 content of the melts affected the inner filament structure during in vitro degradation in PBS, resulting in a homogeneous mineral particle-associated microporosity for mineral contents of 20 mass % and above. Conclusions: These results provide novel insights into the behavior of three-component melts from PLGA, CaCO3 and amphiphilic polymers during precision extruding deposition and show for the first time that self-assembly processes can be used to tailor scaffolds surface properties under such processing conditions.

Źródło:

Acta of Bioengineering and Biomechanics; 2018, 20, 2; 35-45
1509-409X
2450-6303

Pojawia się w:

Acta of Bioengineering and Biomechanics

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 41.

Tytuł:

Sintering and Microstructures of SUS 316L Powder Produced by 3D Printing Process

Autorzy:

Kim, W. J.
Nguyen, H.-H.
Kim, H. Y.
Nguyen, M.-T.
Park, H. S.
Kim, J.-C.

Powiązania:

https://bibliotekanauki.pl/articles/356018.pdf

Data publikacji:

2017

Wydawca:

Polska Akademia Nauk. Czytelnia Czasopism PAN

Tematy:

stainless steel
3D printing
selective laser sintering
SUS 316L
flake powder

Opis:

Selective laser sintering (SLS) is a type of laminating sintering technique, using CO₂ laser with (metal, polymer, and ceramic) powders. In this result, the flake SUS 316L was used to achieve a high porous product, and compare to spherical type. After SLS, the porosity of flake-type sample with 34% was quite higher than that of the spherical-type one that had only 11%. The surface roughness of the flake SLS sample were also investigated in both inner and surface parts. The results show that the deviation of the roughness of the surface part is about 64.40μm, while that of the internal one was about 117.65μm, which presents the containing of high porosity in the uneven surfaces. With the process using spherical powder, the sample was quite dense, however, some initial particles still remained as a result of less energy received at the beneath of the processing layer.

Źródło:

Archives of Metallurgy and Materials; 2017, 62, 2B; 1215-1218
1733-3490

Pojawia się w:

Archives of Metallurgy and Materials

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 42.

Tytuł:

Gradient scaffolds for the regeneration of osteochondral defects obtained using 3D printing technology

Autorzy:

Szczygieł, Piotr
Rajzer, Izabela

Powiązania:

https://bibliotekanauki.pl/articles/1844746.pdf

Data publikacji:

2021

Wydawca:

Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Polskie Towarzystwo Biominerałów

Źródło:

Engineering of Biomaterials; 2021, 24, 163; 120
1429-7248

Pojawia się w:

Engineering of Biomaterials

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 43.

Tytuł:

Study of the adhesion between TPU and PLA in multi-material 3D printing

Autorzy:

Brancewicz-Steinmetz, E.
Valverde Vergara, R.
Buzalski, V. H.
Sawicki, J.

Powiązania:

https://bibliotekanauki.pl/articles/2201075.pdf

Data publikacji:

2022

Wydawca:

Stowarzyszenie Komputerowej Nauki o Materiałach i Inżynierii Powierzchni w Gliwicach

Tematy:

multi-material printing
PLA
TPU
FDM
adhesion
druk wielomateriałowy
drukowanie 3D
tworzywo PLA
termoplastyczny poliuretan
technologia FDM
adhezja

Opis:

Purpose In the Fused Filament Fabrication (FFF/FDM) technology, the multi-material manufacturing additive method is achieved by a single nozzle or multiple nozzles working simultaneously with different materials. However, the adhesion between different materials at the boundary interface in FDM multi-material printing is a limiting factor. These studies are concerned with improving and study the adhesion between two polymers. Design/methodology/approach Due to the numerous applications and possibilities of 3D printed objects, combining different materials has become a subject of interest. PLA is an alternative to the use of petrochemical-based polymers. Thermoplastic Polyurethane is a flexible material that can achieve different characteristics when combined with a rigid filament, such as PLA. To improve the adhesion between PLA and TPU in multi-material FFF/FDM, we propose the comparison of different processes: post-processing with acetone immersion, surface activation during printing with Acetone, surface activation during printing with tetrahydrofuran, post-processing annealing, and connection of printed parts with tetrahydrofuran. Findings Modifying the 3D printing process improved the quality of the adhesive bond between the two different polymers. Activation of the surface with THF is the treatment method recommended by the authors due to the low impact on the deformation/degradation of the object. Research limitations/implications In the study, adhesion was considered in relation to the circular pattern of surface development. Further analysis should include other surface development patterns and changes in printing parameters, e.g. process temperatures and layer application speed. Practical implications 3D printing with multi-materials, such as PLA biopolymer and thermoplastic polyurethane, allows for the creation of flexible connections. The strengthening of the biopolymer broadens the possibilities of using polylactide. Examples of applications include: automotive (elements, where flexible TPU absorbs vibrations and protects PLA from cracking), medicine (prostheses with flexible elements ensuring mobility in the joints). Originality/value Multi-material printing is a new trend in 3D printing research, and this research is aimed at promoting the use and expanding the possibilities of using PLA biopolymer.

Źródło:

Journal of Achievements in Materials and Manufacturing Engineering; 2022, 115, 2; 49--56
1734-8412

Pojawia się w:

Journal of Achievements in Materials and Manufacturing Engineering

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 44.

Tytuł:

Zaawansowane rozwiązania wykorzystania druku 3D w medycynie

Autorzy:

Selwon, Adam

Powiązania:

https://bibliotekanauki.pl/articles/2131244.pdf

Data publikacji:

2016

Wydawca:

Instytut Studiów Międzynarodowych i Edukacji Humanum

Tematy:

3d printing
FDM
PLA
SLS
3d printing in medicine
Stereolithography

Opis:

3D printing allows to precisely create objects on a massive scale. Enhancing3D printing helped develop the medical sector and improve existing methods.Thanks to the continuous progress of the three-dimensional printing technology one can notice its usage in many fields.The aim of the article is to evaluate andinvestigate innovative solutions in the field of 3D printing and its application in medicine, which may influence the development of this science sector. Moreover, the purpose of the study is to determine the perspective on the development of 3D printing in the future as well as to present and level disadvantages of this technology.

Źródło:

Humanum. Międzynarodowe Studia Społeczno-Humanistyczne; 2016, 1(20); 173-183
1898-8431

Pojawia się w:

Humanum. Międzynarodowe Studia Społeczno-Humanistyczne

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 45.

Tytuł:

Characterization of graphene oxide-loaded chitosan hydrogels and their application for 3D printing

Autorzy:

Domalik-Pyzik, P.
Chłopek, J.

Powiązania:

https://bibliotekanauki.pl/articles/286115.pdf

Data publikacji:

2017

Wydawca:

Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Polskie Towarzystwo Biominerałów

Tematy:

hydrogels
graphene
chitosan

Źródło:

Engineering of Biomaterials; 2017, 20, no. 143 spec. iss.; 83
1429-7248

Pojawia się w:

Engineering of Biomaterials

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 46.

Tytuł:

Zastosowanie oraz perspektywy rozwoju druku 3D
Application and development prospects for 3D printing

Autorzy:

Powroźnik, Michał

Powiązania:

https://bibliotekanauki.pl/articles/2106473.pdf

Data publikacji:

2021

Wydawca:

Stowarzyszenie Menedżerów Jakości i Produkcji

Tematy:

druk 3D
technologia
zalety
wady
perspektywy rozwoju
3D printing
technique
advantages
disadvantages
development prospects

Opis:

Na przestrzeni lat technologia druku 3D rozwinęła się na tyle, że coraz częściej wykorzystywana jest w przedsiębiorstwach produkcyjnych, inżynierii biomedycznej oraz gospodarstwach domowych. W artykule przedstawiono najważniejsze zagadnienia związane z drukarkami i technologią druku 3D. Przedstawiono sposób powstawania przedmiotów metodą przyrostową oraz jej zalety i wady. Wymieniono i opisano zastosowania druku 3D, a także jego perspektywy i kierunek rozwoju.
Over the years, 3D printing technology has developed to such an extent that it is increasingly used in manufacturing companies,biomedical engineering and households. The article presents the most important issues related to printers and 3D printing technology. The method of creating items with the incremental method as well as its advantages and disadvantages is presented. The application of 3D printing was mentioned and described, as well as its prospects and direction of development.

Źródło:

Archiwum Wiedzy Inżynierskiej; 2021, 6, 2; 28--30
2544-2449

Pojawia się w:

Archiwum Wiedzy Inżynierskiej

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 47.

Tytuł:

Wykorzystanie druku 3D w zastosowaniach automotive
Used of 3D printing in automotive applications

Autorzy:

Caban, J.
Szala, M.
Kęsik, J.
Czuba, Ł.

Powiązania:

https://bibliotekanauki.pl/articles/314376.pdf

Data publikacji:

2017

Wydawca:

Instytut Naukowo-Wydawniczy "SPATIUM"

Tematy:

druk 3D
dokładność wymiarowo-kształtowa
SLA
FDM
3D print
fused deposition modelling

Opis:

W artykule scharakteryzowano najczęściej stosowane technologie druku 3D: metoda FFF/FDM, metoda SLA, metoda SLS oraz metoda CJP. Przedstawiono możliwości zastosowania druku 3D w przemyśle motoryzacyjnym oraz projektowaniu nowych elementów i części pojazdów. W części badawczej pracy zaprezentowano wybrane próbki elementów wydrukowanych w technologii druku 3D metodą FDM/FFF przy różnych parametrach druku w zakresie uzyskanej powierzchni i geometrii.
The article presents the most commonly used 3D printing technologies: FFF / FDM method, SLA method, SLS method and CJP method. It presents the possibilities of 3D printing in the automotive industry and the design of new vehicle components and parts. In the research part of the work were presented selected samples of elements printed in FDM / FFF 3D printing technology with different printing parameters in the area of obtained surface and geometry.

Źródło:

Autobusy : technika, eksploatacja, systemy transportowe; 2017, 18, 6; 573-579, CD
1509-5878
2450-7725

Pojawia się w:

Autobusy : technika, eksploatacja, systemy transportowe

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 48.

Tytuł:

A study of the possibility of using 3D modelling and 3D printing for Electrical Capacitance Tomography sensor

Autorzy:

Kowalska, Aleksandra
Banasiak, Robert
Romanowski, Andrzej
Sankowski, Dominik

Powiązania:

https://bibliotekanauki.pl/articles/105916.pdf

Data publikacji:

2019

Wydawca:

Centrum Badań i Innowacji Pro-Akademia

Tematy:

Electrical Capacitance Tomography
3D printing
industrial processes
optimization
energy
resources
elektryczna tomografia pojemnościowa
drukowanie 3D
procesy przemysłowe
optymalizacja
energia

Opis:

Nowadays, the optimization of energy consumption and resources is one of the most urgent topics in worldwide industry. The energy consumption monitoring and control in various multiphase flow industrial applications, where a proper flow characteristic and an optimal phase mixture control is crucial, is hard to perform due to the physical and chemical complexity of the processes. The Electrical Capacitance Tomography (ECT) is one of the relatively cheap non-invasive measurement methods that can help in the monitoring and control of optimal energy and resources dozing in industrial processes. ECT diagnostics systems use unique sensors that can non-intrusively detect spatial capacitance changes caused by spatial changes in the electrical permittivity of industrial process components. One of the latest ECT extensions is a three-dimensional measurement strategy that uses a multilayer structure of the capacitance sensor. In this paper, the authors propose a novel approach to the 3D ECT sensors fabrication process that uses 3D computer modelling and 3D printing to easily get any sensor shape, electrode layout, scale and shielding strategy. This study compares the measurement abilities of a 3D ECT sensor fabricated using a traditional hand-made technique with the 3D printed device. The results have proven the potential of the new 3D print-based sensor regarding its significant fabrication time reduction as well as the improvement of the overall 3D ECT sensor measurement accuracy and stability.

Źródło:

Acta Innovations; 2019, 31; 23-32
2300-5599

Pojawia się w:

Acta Innovations

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 49.

Tytuł:

Influence of 3D Printing Parameters by FDM Method on the Mechanical Properties of Manufactured Parts

Autorzy:

Zubrzycki, Jarosław
Quirino, Estrada
Staniszewski, Michał
Marchewka, Magdalena

Powiązania:

https://bibliotekanauki.pl/articles/2206280.pdf

Data publikacji:

2022

Wydawca:

Stowarzyszenie Inżynierów i Techników Mechaników Polskich

Tematy:

3D printing
line
honeycomb
PLA
ABS
PETG
3D printing strength
additive methods

Opis:

The manufacturing of machine parts with additive methods (AM) is of significant importance in modern industry. The development of 3D printers and all 3D printing technology is impressive. The ability to make parts quickly and relatively cheaply with AM gives excellent opportunities in terms of e.g., shortening the production preparation time. Proper selection of printing parameters allows for a significant reduction of printing time and production costs. Unfortunately, this has different consequences. Due to the course of the printing process and the parameters that can be set, the same product produced with different parameters has different mechanical properties - mainly different strength. This paper presents the impact of 3D printing parameters on the strength of manufactured parts. Strength tests were carried out on samples made in accordance with DIN EN ISO 527-1:2019. The samples were printed in technology FDM from three different materials, i.e. PLA (completely biodegradable), PETG (recycled material), and Smart ABS (material with minimal shrinkage). The tested samples were made in three levels of print filling - 10%, 30%, and 60% and with different types of filling - line, mesh, and honeycomb. A series of static tensile tests were carried out to determine the strength of the samples produced with different printing parameters. Thanks to the obtained test results, it is possible to select the optimal printing parameters depending on the forecast load of the manufactured parts.

Źródło:

Advances in Science and Technology. Research Journal; 2022, 16, 5; 52--63
2299-8624

Pojawia się w:

Advances in Science and Technology. Research Journal

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 50.

Tytuł:

Development of bioresorbable monofilament increasing the functionality of 3D printing technology in biomedical applications

Autorzy:

Włodarczyk, Jakub
Stojko, Mateusz
Jelonek, Katarzyna
Jaworska, Joanna
Musiał-Kulik, Monika
Pastusiak, Małgorzata
Sobota, Michał
Mikłowski, Łukasz
Dobrzyński, Piotr
Kasperczyk, Janusz

Powiązania:

https://bibliotekanauki.pl/articles/1844778.pdf

Data publikacji:

2021

Wydawca:

Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Polskie Towarzystwo Biominerałów

Źródło:

Engineering of Biomaterials; 2021, 24, 163; 72
1429-7248

Pojawia się w:

Engineering of Biomaterials

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 51.

Tytuł:

Characteristics of Products Made of 17-4PH Steel by means of 3D Printing Method

Autorzy:

Walczak, M.
Gąska, D.
Guzik, M.

Powiązania:

https://bibliotekanauki.pl/articles/118105.pdf

Data publikacji:

2016

Wydawca:

Polskie Towarzystwo Promocji Wiedzy

Tematy:

direct metal laser sintering
3D printing
17-4PH stainless steel

Opis:

The article presents the results of tests of 17-4PH steel fabricated by means of the method consisting in laser additive manufacturing (LAM) – direct metal laser sintering (DMLS). This grade of steel is characterized by excellent stress corrosion resistance in the first place and is applied as construction material in chemical, aircraft, medical or mould making industry. 3D metal printing is a relatively new method enabling significant change of structural properties of these materials at printing parameters predetermined by printers manufacturer for ”offline” printing mode. In order to achieve this goal, the authors have carried out the analysis of chemical composition, SEM tests and the tests of products surface rough-ness. Furthermore the products have been subjected to X-ray analysis by means of computed tomography (X-ray CT). Structural discontinuities have been found in upper layer and inside printouts subjected to tests.

Źródło:

Applied Computer Science; 2016, 12, 3; 29-36
1895-3735

Pojawia się w:

Applied Computer Science

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 52.

Tytuł:

Polylactide Used as Filment in 3D Printing – Part 1: FTIR, DRIFT and TG-DTG Studies

Autorzy:

Grabowska, Beata
Kaczmarska, Karolina
Cukrowicz, Sylwia
Mączka, Elżbieta
Bobrowski, Artur

Powiązania:

https://bibliotekanauki.pl/articles/1445019.pdf

Data publikacji:

2020

Wydawca:

Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH

Tematy:

polylactide
3D printing technology
thermal degradation
FTIR
TG-DTG

Opis:

A short literature review was undertaken in terms of the structure, properties and applications of polymers, including those commonly used in 3D printing. The research part included the structural and thermal analysis of polylactide (PLA), which is an example of an extensively used polymer in the developing 3D technology. Special attention was paid to the comparison of structure and thermal stability of two different (from various producers) polylactide samples. The research, involving such analytical methods as infrared spectroscopy (FTIR) and diffuse reflectance infrared spectroscopy (DRIFT), allowed the comparison of the structure of the two PLA samples considered. The determination of the temperature range in which changes related to PLA thermodestruction occur was a result of the performed thermoanalytical research (DRIFT, TG-DTG). Thermal studies also allowed to establish the temperature range in which the material does not yet degrade, which is important in the context of future planned research work on polylactide modification to obtain the improvement of the thermal and mechanical properties of PLA-based materials. This research area will be described in the second part of the publication.

Źródło:

Journal of Casting & Materials Engineering; 2020, 4, 3; 48-52
2543-9901

Pojawia się w:

Journal of Casting & Materials Engineering

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 53.

Tytuł:

Thermoplastic Polyurethane Based on the 3d Printing Fashion Clothing- Conceptual Model of The Fashion Industry

Autorzy:

Hossen, Muhammad Ilias
Wang, Chaoxia

Powiązania:

https://bibliotekanauki.pl/articles/2200744.pdf

Data publikacji:

2022

Wydawca:

Sieć Badawcza Łukasiewicz - Instytut Biopolimerów i Włókien Chemicznych

Tematy:

TPU
3D printing
fashion industry
customer
Kaiser-Meyer-Olkin test
Bartlett test
conceptual model

Opis:

The application of 3D printing technology has been relatively slow in the fashion industry. Both in the fashion industry and in 3D printing, the material used plays a very important role. In this direction, thermoplastic polyurethane (TPU) is one material that has started to grab the attention of researchers, producers, and customers. While many have studied 3D printing technology using thermoplastic polyurethane material in the fashion industry from different perspectives, fewer researchers have addressed the actual adoption of thermoplastic polyurethane based 3D printing in the fashion industry. Thus, the present research has been focused to propose an adoption model for thermoplastic polyurethane based 3D-printed fashion clothes. Factor analysis was conducted to find and analyse the most relevant factors. Further exploratory factor analysis was conducted to test the proposed model. The study proposed a model for adoption based on four factors: motivation to buy, customer attitude, and the challenges and benefits associated with the adoption of thermoplastic polyurethane based 3-D printed fashion clothes.

Źródło:

Fibres & Textiles in Eastern Europe; 2022, 6 (151); 1--11
1230-3666
2300-7354

Pojawia się w:

Fibres & Textiles in Eastern Europe

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 54.

Tytuł:

Directions of the Development of the 3D Printing Industry as Exemplified by the Polish Market

Autorzy:

Woźniak, Joanna
Budzik, Grzegorz
Przeszłowski, Łukasz
Chudy-Laskowska, Katarzyna

Powiązania:

https://bibliotekanauki.pl/articles/1841411.pdf

Data publikacji:

2021

Wydawca:

Polska Akademia Nauk. Czytelnia Czasopism PAN

Tematy:

additive manufacturing
3D printing
Industry 4.0
production development
production engineering

Opis:

The Fourth Industrial Revolution, also known as Industry 4.0, is about connecting the physical world with the virtual world in real-time. With the advent of the Fourth Industrial Revolution, manufacturing companies are introducing a number of solutions that increase productivity and personalize finished products in line with the idea of Industry 4.0. The application of, among others, the following: 3D printing, the Internet of Things, Big Data, cyber-physical systems, computing clouds, robots (collaborating and mobile), Radio-frequency identification systems, and also quality control and reverse engineering systems, is becoming popular. There are still not enough studies and analyses connected with the Polish 3D printing market, and also attempt to determine the attitude of those studies and analyses to the implementation of the Industry 4.0 conception. In connection with what is stated above, the principal objective of this paper is to determine the directions of the 3D printing industry development. In this publication, it is as well the survey respondents’ opinions relevant to opportunities and threats connected with the implementation of the Industry 4.0 conception in an enterprise are presented. The survey was conducted on a group of 100 enterprises and scientific research institutes in Poland, offering and/or applying additive technologies.

Źródło:

Management and Production Engineering Review; 2021, 12, 2; 98-106
2080-8208
2082-1344

Pojawia się w:

Management and Production Engineering Review

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 55.

Tytuł:

Implementace 3D tisku do vzdělávání na FPE ZČU v Plzni
Implementation of 3D printing in education at FPE ZČU v Plzni

Autorzy:

KROTKÝ, Jan

Powiązania:

https://bibliotekanauki.pl/articles/455282.pdf

Data publikacji:

2014

Wydawca:

Uniwersytet Rzeszowski

Tematy:

3D printing
prototyping
technical creativity

Opis:

The author describes the solutions and the results of the implementation of 3D printers at schools in the UK. He summarizes the conclusions of the British project. The author then describes the current state of the same issues in the Czech Republic and presents his own experiences and recommendations. The analysis of the state is divided into the formal and non-formal education because their concepts are different. In conclusion, the author defines questions for the other solving of the implementation of 3D printing at schools

Źródło:

Edukacja-Technika-Informatyka; 2014, 5, 2; 170-175
2080-9069

Pojawia się w:

Edukacja-Technika-Informatyka

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 56.

Tytuł:

Assessment of the texture and topographic features of a surface produced by the 3D printing process

Autorzy:

Musiał, W.
Haracewiat, J.
Kozłowicz, K.

Powiązania:

https://bibliotekanauki.pl/articles/132118.pdf

Data publikacji:

2015

Wydawca:

Stowarzyszenie Inżynierów i Techników Mechaników Polskich

Tematy:

3D printing
surface texture
profilometer

Opis:

Presented in the paper is a study of the surface texture as produced by the Up3D printer from Solveere with the printing parameters varying in relation to those of the surface under survey. Used for the measurements was optical profilometer Nanovea PS50 operating to the chromatic aberration principle. The results were used for estimation of the 3D printer output data and also for consideration whether some parts or items as released by 3D printers were practicable for use in a production process.

Źródło:

Advanced Technologies in Mechanics; 2015, 2, no. 3 (4); 35-45
2392-0327

Pojawia się w:

Advanced Technologies in Mechanics

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 57.

Tytuł:

Dual Speed Laser Remelting for High Densification in H13 Tool Steel Metal 3D Printing

Autorzy:

Jung, Im Doo
Choe, Jungho
Yun, Jaecheol
Yang, Sangsun
Yang, Dong-Yeol
Kim, Yong-Jin
Yu, Ji-Hun

Powiązania:

https://bibliotekanauki.pl/articles/353737.pdf

Data publikacji:

2019

Wydawca:

Polska Akademia Nauk. Czytelnia Czasopism PAN

Tematy:

metal 3d printing
powder bed fusion
selective laser melting
H13 tool steel
remelting

Opis:

The densification behavior of H13 tool steel powder by dual speed laser scanning strategy have been characterized for selective laser melting process, one of powder bed fusion based metal 3d printing. Under limited given laser power, the laser re-melting increases the relative density and hardness of H13 tool steel with closing pores. The single melt-pool analysis shows that the pores are located on top area of melt pool when the scanning speed is over 400 mm/s while the low scanning speed of 200 mm/s generates pores beneath the melt pool in the form of keyhole mode with the high energy input from the laser. With the second laser scanning, the pores on top area of melt pools are efficiently closed with proper dual combination of scan speed. However pores located beneath the melt pools could not be removed by second laser scanning. When each layer of 3d printing are re-melted, the relative density and hardness are improved for most dual combination of scanning. Among the scan speed combination, the 600 mm/s by 400 mm/s leads to the highest relative density, 99.94% with hardness of 53.5 HRC. This densification characterization with H13 tool steel laser re-melting can be efficiently applied for tool steel component manufacturing via metal 3d printing.

Źródło:

Archives of Metallurgy and Materials; 2019, 64, 2; 571-578
1733-3490

Pojawia się w:

Archives of Metallurgy and Materials

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 58.

Tytuł:

Generation of large scale robotic 3D printing trajectories and optimization of the quality of pieces

Autorzy:

Rosoux, François
Appeldoorn, Henri
Garray, Didier
Beeckman, Eric

Powiązania:

https://bibliotekanauki.pl/articles/29520055.pdf

Data publikacji:

2023

Wydawca:

Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH

Tematy:

3D printing
non-planar
robotics
polymers
pellet extrusion

Opis:

Incremental sheet forming is used to form metal sheets on massive dies. However, the waste and time lost due to the machining of dies can be a problem for both companies and the environment. Additive manufacturing is thus a potential alternative to classical machining of dies, but these complex geometries could be challenging for classical layer-by-layer 3D printing techniques. This paper will present an innovative process based on a 3D printing technology using 3-axis systems and a pellet extruder combined with the generation of non-planar trajectories in order to achieve good surface quality. PLA-based parts were realised to evaluate surface quality and mechanical properties. With such a technique, the obtained 3D printed parts were closer to the expected CAD geometries and smoother top surfaces were obtained. These improvements have been made possible through the development of specific post-processors and printing strategies in order to replicate the behaviour of a 3D printer at a larger scale, which is a current challenge in robotic 3D printing.

Źródło:

Computer Methods in Materials Science; 2023, 23, 1; 35-41
2720-4081
2720-3948

Pojawia się w:

Computer Methods in Materials Science

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 59.

Tytuł:

Zastosowanie technologii druku przestrzennego w budownictwie
The use of 3D printing technologies in the civil engineering

Autorzy:

Major, M.
Minda, I.

Powiązania:

https://bibliotekanauki.pl/articles/2068300.pdf

Data publikacji:

2016

Wydawca:

Politechnika Częstochowska

Tematy:

druk 3D
technologia budowy 3D
3D printing
3D construction technology

Opis:

W artykule przedstawiono wykorzystanie technologii druku przestrzennego w budownictwie zarówno w trakcie wykonywania projektu architektonicznego poprzez tworzenie makiet 3D realizowanej konstrukcji, jak i na etapie wznoszenia obiektów budowlanych, produkując w całości m.in. budynki mieszkalne.
In the paper there is presented the use of 3D printing technology in building engineering, which is used both during performing of the architectural design by creating 3D models of planned construction as well as during the stage of erecting buildings.

Źródło:

Zeszyty Naukowe Politechniki Częstochowskiej. Budownictwo; 2016, 22 (172); 238-247
0860-7214

Pojawia się w:

Zeszyty Naukowe Politechniki Częstochowskiej. Budownictwo

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 60.

Tytuł:

Shearing strength test of orthopaedic titanium alloy screw produced in the process of 3D printing technology

Autorzy:

Ruszniak, P.
Józwik, J.
Ostrowski, D.
Dziedzic, K.

Powiązania:

https://bibliotekanauki.pl/articles/102259.pdf

Data publikacji:

2017

Wydawca:

Stowarzyszenie Inżynierów i Techników Mechaników Polskich

Tematy:

3D printing
incremental technologies
titanium alloy
shear stress
orthopaedic screws

Opis:

The aim of the present article is the assessment of technical shear resistance (technological shear) of orthopedic screw made of titanium alloy Ti6Al4V, produced using incremental technology in the process of 3D printing process. The first part of the work presents incremental techniques in production engineering. The second part of the present work contains a specification of the 3D printing process of samples as well as the description of the used material. The fundamental part of the article is composed out of endurance tests for orthopaedic screws as well as the analysis of the obtained results and conclusions. The method of incremental production SLM using SLM 280HL metal printer was used during the technological process. The resistance tests were performed using ZWICK/ROELL Z150 machines. Identical endurance trials were performed for monolithic bars made of titanium alloys (of bar core size ) made on a wire electric discharge machine Sodick SL600Q for comparative purposes. The obtained test results enabled comparative assessment of the value of shear resistance Rt in the conditions of technological shear. According to the performed tests, the shear resistance Rt of orthopaedic screws is nearly 33% lower than of monolithic bars of the same core size.

Źródło:

Advances in Science and Technology. Research Journal; 2017, 11, 1; 128-137
2299-8624

Pojawia się w:

Advances in Science and Technology. Research Journal

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 61.

Tytuł:

Problem praw własności w kontekście upowszechnienia technologii druku przestrzennego
Problem of property law in the context of 3d printing technology

Autorzy:

Brol, Marcin
Czetwertyński, Sławomir

Powiązania:

https://bibliotekanauki.pl/articles/434683.pdf

Data publikacji:

2013

Wydawca:

Wydawnictwo Uniwersytetu Ekonomicznego we Wrocławiu

Tematy:

3D printing
intellectual property law
copyleft

Opis:

This paper concerns the problem of intellectual property law in the context of 3D printing technology, that becomes more popular. In the age of universal digital communication and constant growth of importance of digital information goods, intellectual property is becoming a cause of dispute between different social groups. This is partly because of the impact of informal institutions formed during development of the Internet and social movements postulating free access to information (including the digital information goods). Other important issue is also the problem of public copyright infringement in order to achieve private benefits. Conflicts concerning enforcement of the intellectual property right are related to substantially all of the digitized content: written word, music, movies and software. On one hand the decrease of the costs of copying equipment, allows an average consumer to buy such a printer. On the other hand the increase of the Internet bandwidth makes this phenomenon more significant. 3D printing technology is the next stage of self-production process. This technology goes beyond the abstract world of information to a real world of physical goods. Thus, the violation of property rights refers now not only to information goods, but also to physical products. The authors put the thesis that the development of 3D printing technology will intensify the conflicts and will increase the number of abuses in area of intellectual property law. In this article the authors discuss the development of 3D printing technology, which originally was connected only with so-called rapid prototyping in the product development process. However, with cheaper equipment, this technology became available to a larger number of users who have used it to make the final products. This process was simultaneous to research projects conducted by academic institutions such as RepRap and Fab@Home. The main goal of RepRap project was to create self-replicating machine. The RepRap 3D printer allows to print more 3D printing devices. This project is regulated by copyleft licenses allowing to manipulate within the files with a legal authors permission. Extending the reflections on copyright issue the authors focused on the licenses that allow to share the projects files required for the creation of physical objects. Copyleft licenses are sometimes given illegally. Some of the project files contain elements that are under copyright restriction. This situation was discovered during the analysis of the content shared between users of 3D printers portals. This situation creates a great threat to the enterprises engaged in luxury goods because in this business the main value is the idea – the design. Easy replication provided by 3D printing technology enforces more effective copyright regulations or even modification of the form of distribution of items protected by law. The development of 3D printing technology will inevitably increase the number of conflicts and abu

Źródło:

Ekonomia - Uniwersytet Ekonomiczny we Wroclawiu; 2013, 4 (25); 120-131
2080-5977

Pojawia się w:

Ekonomia - Uniwersytet Ekonomiczny we Wroclawiu

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 62.

Tytuł:

Laboratory Tests and Numerical Simulations of Two Anti-Vibration Structures Made by 3D Printing – Comparative Research

Autorzy:

Kowalski, Piotr
Alikowski, Adrian

Powiązania:

https://bibliotekanauki.pl/articles/31339789.pdf

Data publikacji:

2023

Wydawca:

Polska Akademia Nauk. Czasopisma i Monografie PAN

Tematy:

finite element method
3D printing
mechanical vibrations

Opis:

This article presents a comparison of test results from two models of anti-vibration systems (I and II) made employing MJF 3D printing technology and two different materials. The research included laboratory tests and numerical simulations, assuming a linear nature of the mechanical properties for the materials and models of structures. The aim of this research was to assess the consistency between laboratory test and numerical simulation results. In addition, evaluation of the suitability of using MJF technology to produce antivibration systems was conducted. During the laboratory tests, the response of the two models of structures to vibrations generated by an exciter was recorded using a high-speed camera. Subsequent image analysis was performed using the MOVIAS Neo software. The obtained values of vibration displacements and resonant frequencies were used to validate the numerical model created in the Simcenter Femap software. Relative differences between the values of resonant frequencies obtained experimentally and through simulations were determined. In the case of the structural model I, creating its numerical model without considering the nonlinearity of mechanical parameters was found to be unjustified. The comparison of the displacements determined during numerical simulations showed relative differences of less than 16% for both models in relation to the laboratory test results. This comparison result indicates a satisfactory accuracy in simulating this parameter. An assessment of the quality and accuracy of MJF technology-produced prints, led to the conclusion that due to the formation of internal stresses during the print creation, the use of “soft” materials in this technology is problematic.

Źródło:

Archives of Acoustics; 2023, 48, 4; 523-527
0137-5075

Pojawia się w:

Archives of Acoustics

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 63.

Tytuł:

Designing and preparing by FDM 3D printing of polymeric scaffolds with potential application in tissue engineering

Autorzy:

Marchewka, J.
Laska, J.

Powiązania:

https://bibliotekanauki.pl/articles/283921.pdf

Data publikacji:

2016

Wydawca:

Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Polskie Towarzystwo Biominerałów

Tematy:

polymeric scaffolds
tissue engineering
biodegradation

Źródło:

Engineering of Biomaterials; 2016, 19, 138; 37
1429-7248

Pojawia się w:

Engineering of Biomaterials

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 64.

Tytuł:

Wizualizacja obszarów górskich z zastosowaniem druku 3D
The visualization of a mountain using 3D printing

Autorzy:

Wabiński, J.
Kuźma, M

Powiązania:

https://bibliotekanauki.pl/articles/208686.pdf

Data publikacji:

2017

Wydawca:

Wojskowa Akademia Techniczna im. Jarosława Dąbrowskiego

Tematy:

kartografia
numeryczny model terenu
model plastyczny
technologia FDM
cartography
digital terrain model (DTM)
sand table
FDM technology

Opis:

Opracowania dwuwymiarowe przedstawiające ukształtowanie terenu (np. w postaci mapy) nie oddają w całości charakteru obrazowanego obszaru. Przedsięwzięcia związane z planowaniem czy projektowaniem zdecydowanie korzystniej jest przedstawiać w przestrzeni trójwymiarowej. Wykorzystywane niegdyś stoły plastyczne, popularne zwłaszcza w zastosowaniach militarnych, są drogie i niewygodne do stosowania ze względu na duże rozmiary. Ponadto, są one modyfikowalne tylko w niewielkim stopniu i nie zapewniają takiej szczegółowości jak klasyczne mapy. Wraz z rozwojem nowoczesnych technik wytwarzania map plastycznych zwiększyło się spektrum możliwości opracowywania personalizowanych modeli przestrzennych otaczającej nas rzeczywistości, odwzorowanych w odpowiedniej skali w przestrzeni trójwymiarowej. Celem artykułu jest przedstawienie możliwości wykorzystania druku 3D do wizualizacji obszarów górskich. W ramach badań, na podstawie numerycznego modelu terenu (DTED 2 - digital terrain elevation data, którego dokładność szacowana jest na ± 30 m w płaszczyźnie poziomej i ± 20 m w płaszczyźnie pionowej), opracowano model fragmentu Tatr. Model ten opracowano w programach Global Mapper i Rhino 3D. Następnie został on wydrukowany na drukarce 3D z wykorzystaniem technologii FDM (Fused Deposition Modeling). Artykuł opisuje zasady opracowania takiego modelu oraz wady i zalety zaproponowanego rozwiązania.
Flat studies showing terrain (e.g. in form of maps) do not fully reflect its nature. Planning or design projects are definitely better represented in three-dimensional space. Previously used “sand tables”, especially popular in military applications, are expensive and uncomfortable to use due to their large size. In addition, they are modifiable only to a small extent and do not provide such accuracy as traditional maps. With the development of modern model relief techniques, a spectrum of the possibilities for development of customized spatial models (defined as models of the surrounding reality, mapped in the appropriate scale in three dimensions), has increased. The aim of this article is to present the possibilities of using 3D printing for the visualization of a mountain. Based on the digital terrain model (DTM), a model of a part of the Tatra Mountains was developed. It was established by DTM data processing and printing on a 3D printer using the FDM (Fused Deposition Modeling) technology. This article describes the principles for developing such a model and the advantages and disadvantages of the proposed solution.

Źródło:

Biuletyn Wojskowej Akademii Technicznej; 2017, 66, 3; 45-61
1234-5865

Pojawia się w:

Biuletyn Wojskowej Akademii Technicznej

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 65.

Tytuł:

Process of Manufacturing Transparent Models of Anatomical Structures

Autorzy:

Wojnarowska, Wiktoria
Nieroda, Maciej
Gładysz, Ewelina
Miechowicz, Sławomir
Kudasik, Tomasz

Powiązania:

https://bibliotekanauki.pl/articles/176131.pdf

Data publikacji:

2020

Wydawca:

Polska Akademia Nauk. Czytelnia Czasopism PAN

Tematy:

3D printing
medical applications
additive manufacturing

Opis:

In recent years, a rapid increase in the use of three-dimensional (3D) printing technologies in medicine, especially in the manufacturing of the diagnostic models, can be observed. In some cases, there is a need to fabricate transparent models that allow visualization of internal structures of the object. Unfortunately, techniques used to manufacture such models are often very expensive and time-consuming. The above-mentioned issues were the motivation for developing a new method of fabrication transparent models for visualization of internal structures for planning surgical treatments. This paper presents the process of making transparent models using the newly developed method – the stacked layers method. In order to compare this new method and one of the most common 3D printing technologies – fused deposition modeling (FDM) – the models for two medical cases using both of these methods were fabricated. As a result of this work, it can be concluded that the stacked layers method provides faster and cheaper way of making transparent medical models. The main features of fabrication process that have a huge impact on quality of the models made by new method were pointed. The results of this study suggest that models fabricated with the use of this method can be useful as a diagnostic tool in medical applications for planning surgical treatments.

Źródło:

Advances in Manufacturing Science and Technology; 2020, 44, 2; 62-66
0137-4478

Pojawia się w:

Advances in Manufacturing Science and Technology

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 66.

Tytuł:

The Influence of Layer Height on the Tensile Strength of Specimens Printed in the FDM Technology

Autorzy:

Miazio, Łukasz

Powiązania:

https://bibliotekanauki.pl/articles/2069742.pdf

Data publikacji:

2021

Wydawca:

Uniwersytet Warmińsko-Mazurski w Olsztynie

Tematy:

rapid prototyping
3D printing
PLA
FDM

Opis:

This article analyzes the influence of layer height on the tensile strength of PLA specimens printed in the Fused Deposition Modeling (FDM) technology. The maximum breaking force of specimens with 30% and 100% infill density was determined at layer height of 0.05 mm, 0.1 mm, 0.2 mm and 0.3 mm. In the case of 30% infill, the highest value of the force was obtained for a layer with a height of 0.05 mm (which corresponds to 22.7 MPa), and for a 100% infill for a layer of 0.2 (which corresponds to 40 MPa). Over this layer height of 0.2 mm is the most poly-optimal due to the time prints and strength (which corresponds to 19.7 MPa).

Źródło:

Technical Sciences / University of Warmia and Mazury in Olsztyn; 2021, 24(1); 41--56
1505-4675
2083-4527

Pojawia się w:

Technical Sciences / University of Warmia and Mazury in Olsztyn

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 67.

Tytuł:

Influence of the printing nozzle diameter on tensile strength of produced 3D models in FDM technology
Wpływ średnicy dyszy drukującej na wytrzymałość na rozciąganie wytwarzanych modeli 3D w technologii FDM

Autorzy:

Kiński, Wojciech
Pietkiewicz, Paweł

Powiązania:

https://bibliotekanauki.pl/articles/93499.pdf

Data publikacji:

2020

Wydawca:

Polskie Towarzystwo Inżynierii Rolniczej

Tematy:

3D printing
FDM
3D printing analysis
strength tests
druk 3D
analiza druku 3D
badania wytrzymałościowe

Opis:

The article presents the results of tensile strength tests taking into account the influence of the printing nozzle diameter. The 3D printing method in FDM technology is described. The aim of the research was to investigate the effect of the printing nozzle diameter installed in the head. Samples printed with two types of filling were tested. The obtained results were summarized and compared. The printing time of the samples was compared with a diameter of each nozzle. Based on the strength tests, it can be concluded that the tensile strength of the samples made with the FDM printing technology is proportional to the used printing nozzle diameter.
W artykule przedstawiono wyniki badań wytrzymałościowych na rozciąganie z uwzględnieniem wpływu średnicy dyszy drukującej. Opisano metodę druku 3D w technologii FDM. Celem badań było zbadanie wpływu średnicy dyszy drukującej zainstalowanej w głowicy. Wykonano badania próbek wydrukowanych przy dwóch rodzajach wypełnienia. Otrzymane wyniki zostały zestawione i porównane. Porównany został czas wydruku próbek poszczególną średnicą dyszy. Na podstawie prób wytrzymałościowych można stwierdzić, że wytrzymałość na rozciąganie próbek wykonanych w technologii druku FDM jest proporcjonalna do zastosowanej średnicy dyszy drukującej.

Źródło:

Agricultural Engineering; 2020, 24, 3; 31-38
2083-1587

Pojawia się w:

Agricultural Engineering

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 68.

Tytuł:

The Designation of Geometry Teaching Tools for Visually-Impaired Students Using Plastic Geoboards Created by 3D Printing

Autorzy:

Junthong, Nachaphan
Netpradit, Suchapa
Boonlue, Surapon

Powiązania:

https://bibliotekanauki.pl/articles/1963512.pdf

Data publikacji:

2020-03-31

Wydawca:

Wydawnictwo Adam Marszałek

Tematy:

geometry
geoboard
teaching tool
3D printing
visually-impaired students

Opis:

In the present study, plastic geoboards and accessories were created as geometry teaching tools for visually-impaired students, using 3D printing. Lines, shapes, and angles were illustrated by stretching rubber bands around rivet heads on a geoboard with square edge of 10 x 10 grid array and circular edge of 4-quadrant graph. The coordinate points of 2D geometry were explored by blind touch on braille scales and raised grid lines, while z-axis pillars were used for 3D geometry by connecting rubber bands to the plane. The experimental group revealed significantly more learning achievement than did the control group, and all participants agreed that the new geoboards enhanced the mental imagery and understanding of geometry.

Źródło:

The New Educational Review; 2020, 59; 87-102
1732-6729

Pojawia się w:

The New Educational Review

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 69.

Tytuł:

Koncepcja biomechatronicznego egzoszkieletu dłoni z wykorzystaniem druku 3D
Project of biomechatronics hand exoskeleton using 3D printing

Autorzy:

Chrzan, M.
Drabek, M.
Grabiec, P.
Lis, T.
Burkacki, M.
Suchoń, S.

Powiązania:

https://bibliotekanauki.pl/articles/99124.pdf

Data publikacji:

2016

Wydawca:

Politechnika Śląska. Katedra Biomechatroniki

Tematy:

egzoszkielet
druk 3D
biomechatronika
Arduino
dłoń
CAD
exoskeleton
3D print
biomechanics
arduino
hand

Opis:

Artykuł opisuje projekt biomechatronicznego egzoszkieletu dłoni z wykorzystaniem technologii druku 3D. W pracy przedstawiony został proces tworzenia modelu w środowisku CAD, wybór poszczególnych komponentów urządzenia, a także uzasadniony zostaje wybór tworzywa sztucznego ABS jako materiału, który posłuży do wydrukowania elementów konstrukcji. Model poddany został analizie wytrzymałościowej w miejscach najbardziej podatnych na obciążenia, tj. W miejscu łączenia segmentów poszczególnych palców.
This paper presents project of biomechanical hand exoskeleton, created with 3D printing technology usage. The description of modelling process, as well as selection of components and material for parts of exoskeleton were provided. Model was created in CAD software, and material chosen for printing exoskeleton was ABS. Strength analysis were performed for crucial parts of exoskeleton.

Źródło:

Aktualne Problemy Biomechaniki; 2016, 10; 7-12
1898-763X

Pojawia się w:

Aktualne Problemy Biomechaniki

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 70.

Tytuł:

Use of Reverse Engineering and Additive Printing in the Reconstruction of Gears

Autorzy:

Palka, Dorota

Powiązania:

https://bibliotekanauki.pl/articles/2064788.pdf

Data publikacji:

2020

Wydawca:

STE GROUP

Tematy:

3D printing
design
gears
reconstruction
reverse engineering

Opis:

Despite the very rapid technological development, the general concept of mechanical devices has not changed. Still, the most common element of these devices are gears, whose range of use is very wide. There are both technological and historical considerations for the reconstruction of gears and other elements. In particular, this applies to spare parts for technical facilities that are not available on the market or service costs are too high. Contemporary reconstruction is called Reverse Engineering, which offers tools that allow transformation of an existing object through a virtual model into the final real product. Modern production engineering is based on innovative CAD – Computer Aided Designed design methods and computer-aided manufacturing technologies, CAM – Computer Aided Manufacturing. The rapid development of 3D CAD systems has led to the development of solutions to obtain the designed object, already at the development stage. Such a solution is the Rapid Prototyping method, designed for fast, precise and repeatable production of machine components. Widespread use and growing interest in the use of additive printing influenced the development of this technology. The purpose of the article is to present the practical application of the Reverse Engineering method and 3D printing in the reconstruction of gears. The object of research is the real gear, which has been reconstructed using Reverse Engineering and 3D printing. The article presents the basic assumptions of the methods used and the methodology for conducting reconstruction work. FDM (Fused Deposition Modeling) technology was used for the research. The results obtained are a real example of the practical application of the presented methods. At the same time, they create great opportunities for their wider use.

Źródło:

Multidisciplinary Aspects of Production Engineering; 2020, 3, 1; 274--284
2545-2827

Pojawia się w:

Multidisciplinary Aspects of Production Engineering

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 71.

Tytuł:

Acoustic Metamaterials

Autorzy:

Sztyler, Bartłomiej
Strumiłło, Paweł

Powiązania:

https://bibliotekanauki.pl/articles/2141685.pdf

Data publikacji:

2022

Wydawca:

Polska Akademia Nauk. Czytelnia Czasopism PAN

Tematy:

acoustic metamaterials
acoustic metasufraces
tunability
3D printing

Opis:

This review article is concerned with metamaterials, i.e. specifically engineered structures with special properties for interaction with sounds. The research on and practical design of these materials have gained momentum in the last decade, when 3D printing techniques provided the possibility to fabricate such geometrically complex structures. We briefly describe the history of research on AMMs and group them into active and passive metamaterials. For each of these groups of AMMs, we discuss the most notable construction achievements and outline the main applications. We conclude this review with a discussion of possible directions for further research and main applications of AMMs such as noise attenuation, acoustic lens, and the cloaking phenomenon.

Źródło:

Archives of Acoustics; 2022, 47, 1; 3-14
0137-5075

Pojawia się w:

Archives of Acoustics

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 72.

Tytuł:

Use of 3D printing technology in the aviation industry on an example of numerical experimental stress state analysis of unmanned aerial vehicle wing

Autorzy:

Święch, Ł.
Bendarz, A.

Powiązania:

https://bibliotekanauki.pl/articles/246287.pdf

Data publikacji:

2017

Wydawca:

Instytut Techniczny Wojsk Lotniczych

Tematy:

DIC
3d printing
FFF
stress state
UAV

Opis:

The article presents the results of static tests performed on the primary support structures of a TWISST-ter unmanned aircraft constructed using additive manufacturing techniques commonly known as 3D printing. The primary goal of the experiment was determining the material effort of the structure in order to assess the feasibility of such an engineering solution in terms of material mechanics. Considering the fact that the properties of 3D printed elements are not widely known, both destructive experimental methods and finite element methods were used. During the experimental trails, the ARAMIS deformation measurement system, based on digital three-dimensional image correlation, was used. The results of this experiment allowed for the calibration of the numerical model as achieving convergence with experimentally determined strain fields. This approach ensured the correctness of the numerical determined stress state. Based on the results of the study, the necessary design improvements were implemented and a general conclusion was formed regarding of the numerical analysis of structures made through 3D printing.

Źródło:

Journal of KONES; 2017, 24, 4; 327-334
1231-4005
2354-0133

Pojawia się w:

Journal of KONES

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 73.

Tytuł:

Review of current research on chitosan as a raw material in three-dimensional printing technology in biomedical applications

Autorzy:

Mania, Szymon
Banach, Adrianna
Tylingo, Robert

Powiązania:

https://bibliotekanauki.pl/articles/1034051.pdf

Data publikacji:

2020

Wydawca:

Sieć Badawcza Łukasiewicz - Polskie Towarzystwo Chitynowe

Tematy:

3D printing
bioink
chitosan
filament
powder
resin

Opis:

Three-dimensional (3D) biomaterial manufacturing strategies show an extraordinary driving force for the development of innovative solutions in the biomedical sector, including drug delivery systems, disease modelling and tissue and organ engineering. Due to its remarkable and promising biological and structural properties, chitosan has been widely studied for decades in several potential applications in the biomedical field. However, tools in the form of 3D printers have created new possibilities for the production of chitosan models, implants and scaffolds for cell cultures that are much more precise than existing ones. The article presents current achievements related to the possibility of using chitosan to create new materials for 3D printing in the form of chitosan bioinks, filaments, resins and powders dedicated for bioprinting, fused deposition modelling, stereolithography/digital light processing and selective laser sintering methods, respectively.

Źródło:

Progress on Chemistry and Application of Chitin and its Derivatives; 2020, 25; 37-50
1896-5644

Pojawia się w:

Progress on Chemistry and Application of Chitin and its Derivatives

Dostawca treści:

Biblioteka Nauki

/5

Artykuł

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Skocz do pozycji: 74.

Tytuł:

Risk Assessment of Individualized 3D Printed Prostheses Using Failure Mode and Effect Analysis

Autorzy:

Górski, Filip
Sahaj, Natalia
Kuczko, Wiesław
Żukowska, Magdalena
Hamrol, Adam

Powiązania:

https://bibliotekanauki.pl/articles/2201782.pdf

Data publikacji:

2022

Wydawca:

Stowarzyszenie Inżynierów i Techników Mechaników Polskich

Tematy:

PFMEA method
3D printing
risk assessment
prosthetics

Opis:

Risk analysis of personalized medical devices, such as prostheses, is a challenging task due to the complexity of technological and geometrical issues. The paper undertakes a process of risk analysis for upper limb prostheses for adult patients, individualized by 3D scanning and produced by additive manufacturing. The analysis was performed to systematize the process and its steps, as well as diagnose certain problems, in order to achieve future devices with correct fit and function, produced in as few iterations as possible. The Failure Mode and Effect Analysis of Process (PFMEA) method was used. In the results, main process risks were identified: the problems are mostly caused in stages, where operator’s decision or activity is to be performed, regarding socket length, offset and suitable lining. The main prevention activities were determined – human involvement in the decision process should be minimal and the intelligent models should be adjustable to as many patient cases as possible. In consequence, future steps for process optimization were determined – larger base of patient cases is necessary to acquire and study, to gather data for model and process improvement.

Źródło:

Advances in Science and Technology. Research Journal; 2022, 16, 4; 189--200
2299-8624

Pojawia się w:

Advances in Science and Technology. Research Journal

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 75.

Tytuł:

Mortar for 3D printers using river sand, Portland cement and hydraulic lime

Autorzy:

Palacios, Javier
Paredes, Marcel
Castillo, Tito
Paredes, Oscar

Powiązania:

https://bibliotekanauki.pl/articles/1064805.pdf

Data publikacji:

2020

Wydawca:

Szkoła Główna Gospodarstwa Wiejskiego w Warszawie. Wydawnictwo Szkoły Głównej Gospodarstwa Wiejskiego w Warszawie

Tematy:

3D printing
mortars
hydraulic lime
resistance
compression

Opis:

The 3D printing is a construction technology that uses mortar to make elements and structures. In this research, four types of mortar were elaborated using Portland cement types I and HE, adding hydraulic lime. Mortars with cement types I and HE without hydraulic lime presented higher resistance to compression than mortars made with lime. The four mortars had an adequate resistance to compression and features that are suitable for use in 3D printers.

Źródło:

Scientific Review Engineering and Environmental Sciences; 2020, 29, 4; 399-408
1732-9353

Pojawia się w:

Scientific Review Engineering and Environmental Sciences

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 76.

Tytuł:

Polylactide-based composite materials for 3D printing and medical applications - the effect of basalt and silicon dioxide addition

Autorzy:

Pyza, Maciej
Brzezińska, Natalia
Kulińska, Karolina
Gabor, Jadwiga
Barylski, Adrian
Aniołek, Krzysztof
Garczyk-Mundała, Żaneta
Adebesin, Kayode
Swinarew, Andrzej

Powiązania:

https://bibliotekanauki.pl/articles/24200849.pdf

Data publikacji:

2022

Wydawca:

Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Polskie Towarzystwo Biominerałów

Tematy:

polylactide
3D printing
polymer
basalt
SiO2

Opis:

Polymers are compounds that play a key role in the development of many fields of science, including emergency medicine. Currently, there are increasing requirements for biomedical polymers in terms of producing lighter and more ecological equipment. To meet these requirements, a composite material was developed: polylactide (PLA) with the addition of modifiers - basalt and silicon dioxide (SiO2). PLA was chosen as a biodegradable polymer that naturally decomposes in the environment. This is very important, regarding a large number of single-use materials made of microplastics polluting the environment. The samples were made by additive 3D printing and then immersed in swimming pool water, chlorine solution, and distilled water. FTIR analysis showed the influence of the environment on the intensity and shift of PLA absorption bands. Microscopic analysis provided information on surface morphology, roughness, and potential defects. Tribological and micromechanical tests showed that the additions of basalt and silica to the PLA material influenced the morphological structure and the average area of the wear trace, volumetric wear, and average coefficient of friction. In the presence of chlorine solution, distilled water, and pool water under real conditions, the SiO2 addition made the PLA material more resistant to abrasion, as compared to the basalt addition. However, additives did not significantly affect the PLA material hardness, and the samples with basalt turned out to be more resistant to deformation.

Źródło:

Engineering of Biomaterials; 2022, 25, 166; 29--39
1429-7248

Pojawia się w:

Engineering of Biomaterials

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 77.

Tytuł:

Influence of Curing Time on Properties of Dental Photosensitive Resin Applied in DLP Technique of 3D Printing

Autorzy:

Redutko, Joanna
Kalwik, Aleksandra
Szarek, Arkadiusz

Powiązania:

https://bibliotekanauki.pl/articles/2049684.pdf

Data publikacji:

2021

Wydawca:

Polska Akademia Nauk. Czytelnia Czasopism PAN

Tematy:

Digital Light Processing
dental models
light-cured resin
DMA
STA

Opis:

The article has presented the method of 3D Digital Light Processing printing as one of the technologies used for rapid prototyping of dental models and making elements of dentures. in this work the research was presented, which the aim was to determine the effect of additional exposure time on the properties of the obtained printouts. Dynamic Mechanical Analysis test showed significant differences in stiffness between uncured specimens as well as specimens cured for 10, 20 and 30 minutes. in turn the obtained TG and DTG curves allowed to determine the most optimal curing time for DLP printouts. These studies provide the basis for determining the most appropriate method for handling printouts after the process of printing from liquid resin, so that they are the best possible quality for dentists and prosthodontists.

Źródło:

Archives of Metallurgy and Materials; 2021, 66, 2; 419-424
1733-3490

Pojawia się w:

Archives of Metallurgy and Materials

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 78.

Tytuł:

The Role of Additive Manufacturing in Supply Chain Management

Autorzy:

Patalas-Maliszewska, Justyna
Kowalczewska, Katarzyna
Rehm, Matthias

Powiązania:

https://bibliotekanauki.pl/articles/2201179.pdf

Data publikacji:

2023

Wydawca:

Polska Akademia Nauk. Czytelnia Czasopism PAN

Tematy:

additive manufacturing
3D printing
supply chain management

Opis:

Nowadays, it is necessary to develop a conceptual framework for analysing the relationship between the implementation of Additive Manufacturing (AM) and Supply Chain Management (SCM). In this context, a gap in the research has been observed in the new approach to designing the importance of AM in SCM. The main contribution of this paper, therefore, is a new framework to formulate the role in adopting AM in SCM. The research methodology is based on detailed literature studies of AM in relation to the SCM process within a manufacturing company, as well on a case study, namely the COWAN GmbH manufacturing company who specialise in producing homewares for motorhome enthusiasts. As highlighted in the state-of-the-art analysis, no work, currently available, supports all the features presented.

Źródło:

Management and Production Engineering Review; 2023, 14, 1; 25--33
2080-8208
2082-1344

Pojawia się w:

Management and Production Engineering Review

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 79.

Tytuł:

Literature review on emissions from additive manufacturing by FDM method and their impact on human health

Autorzy:

Karwasz, Anna
Osiński, Filip

Powiązania:

https://bibliotekanauki.pl/articles/407089.pdf

Data publikacji:

2020

Wydawca:

Polska Akademia Nauk. Czytelnia Czasopism PAN

Tematy:

FDM
3d printing
emissions
pollution
environment
health

Opis:

Additive manufacturing in recent years has become one of the fastest growing technologies. The increasing availability of 3D printing devices means that every year more and more devices of this type are found in the homes of ordinary people. Unfortunately, air pollution is formed during the process. Their main types include Ultra Fine Particles (UFP) and Volatile Compounds (VOC). In the event of air flow restriction, these substances can accumulate in the room and then enter the organisms of people staying there. The article presents the main substances that have been identified in various studies available in literature. Health aspects and potential threats related to inhalation of substances contained in dusts and gases generated during the process are shown, taking into account the division into individual types of printing materials. The article also presents the differences between the research results for 3d printing from individual plastics among different authors and describes possible causes of discrepancies.

Źródło:

Management and Production Engineering Review; 2020, 11, 3; 65-73
2080-8208
2082-1344

Pojawia się w:

Management and Production Engineering Review

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 80.

Tytuł:

FDM 3D printing technology in manufacturing composite elements
Zastosowanie technologii drukowania 3D FDM w wytwarzaniu elemetów kompozytowych

Autorzy:

Dudek, P.

Powiązania:

https://bibliotekanauki.pl/articles/355236.pdf

Data publikacji:

2013

Wydawca:

Polska Akademia Nauk. Czytelnia Czasopism PAN

Tematy:

3D printing
FDM
rapid prototyping
rapid tooling
drukowanie 3D
szybkie prototypowanie
szybkie oprzyrządowanie

Opis:

In recent years, FDM technology (Fused Deposition Modelling) has become one of the most widely-used rapid prototyping methods for various applications. This method is based on fused fibre material deposition on a drop-down platform, which offers the opportunity to design and introduce new materials, including composites. The material most commonly used in FDM is ABS, followed by PC, PLA, PPSF, ULTEM9085 and mixtures thereof. Recently, work has been done on the possibility of applying ABS blends: steel powders, aluminium, or even wood ash. Unfortunately, most modern commercial systems are closed, preventing the use of any materials other than those of the manufacturer. For this reason, the Department of Manufacturing Systems (KSW) of AGH University of Science and Technology, Faculty of Mechanical Engineering And Robotics purchased a 3D printer with feeding material from trays reel, which allows for the use of other materials. In addition, a feedstock production system for the 3D printer has been developed and work has started on the creation of new composite materials utilising ceramics.
W ostatnich latach technologia FDM (Fused Deposition Modelling) stała się jedną z najszerzej i najczęściej stosowanych metod szybkiego prototypowania, stosowanych w różnych aplikacjach. Jest to metoda oparta na osadzaniu topionego włókna materiału na opuszczanej platformie, oferującej możliwość opracowywania i wprowadzania nowych materiałów, również kompozytowych. Materiałem najczęściej stosowanym w tej technologii jest ABS. jak również PC. PLA. PPSF. ULTEM9085 oraz ich mieszanki. W ostatnich latach pojawiły się prace nad możliwością zastosowania również mieszanek ABS - proszki stali, aluminium czy też np. pyłu drewnianego. Niestety większość nowoczesnych komercyjnych systemów jest zamkniętych, blokujących możliwość zastosowania innych materiałów niż producenta. Z tego powodu, w Katedrze Systemów Wytwarzania AGH, została zakupiona drukarka przestrzenna z podawaniem materiału z zasobników szpulowych, co umożliwia zastosowanie również innych materiałów. Dodatkowo, w ramach prac KSW, został opracowany system wytwarzania materiału wsadowego dla drukarki oraz rozpoczęto prace nad wytworzeniem nowych materiałów kompozytowych z wykorzystaniem ceramiki.

Źródło:

Archives of Metallurgy and Materials; 2013, 58, 4; 1415-1418
1733-3490

Pojawia się w:

Archives of Metallurgy and Materials

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 81.

Tytuł:

Druk 3D jako technologia przyszłości – część 1
3D printing as a technology of the future – part 1

Autorzy:

Fiał, Chrystian
Pieknik, Marcin

Powiązania:

https://bibliotekanauki.pl/articles/1818684.pdf

Data publikacji:

2020

Wydawca:

Sieć Badawcza Łukasiewicz - Instytut Przemysłu Skórzanego

Tematy:

druk 3D
wytwarzanie przyrostowe
drukarka 3D
materiały
filament
technologia
3D printing
additive manufacturing
3D printer
materials
technology

Opis:

Technologia druku 3D w ostatnich latach przeżywa rozwój i cieszy się sporym zainteresowaniem, zarówno u użytkowników „domowych” jak i u producentów wieloseryjnych i projektantów. W poniższym artykule omówiono technologie druku 3D oraz materiały z których możliwe jest drukowanie za pomocą tej technologii. W pierwszej części przedstawiono w sumie siedem różnych metod otrzymywania wydruków 3D, od najprostszych i najbardziej popularnych do tych bardziej wyszukanych, charakteryzujących się większą dokładnością i szeroką gamą materiałów, z których można korzystać. W drugiej części artykułu po krótce opisano szereg materiałów, które można wykorzystywać do technologii druku 3D – m.in.: kompozyty, metale czy ceramikę.
The 3D printing technology has been rapid developing in recent years and enjoys considerable interest, both among "home" users, as well as multi-series producers and designers. The following article discusses 3D printing technologies and materials from which it is possible to print using this technology. The first part presents a total of seven different methods of obtaining 3D prints, from the simplest and most popular to the more sophisticated, with greater accuracy and a wide range of materials that can be used. The second part of the article briefly describes a number of materials that can be used for 3D printing technology - including composites, metals and ceramics.

Źródło:

Technologia i Jakość Wyrobów; 2020, 65; 92--105
2299-7989

Pojawia się w:

Technologia i Jakość Wyrobów

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 82.

Tytuł:

Technologia druku 3D jako szansa dla środowiska naturalnego
3D printing technology as a chance for the environment

Autorzy:

Jaworska, Natalia
Podsiadło, Halina

Powiązania:

https://bibliotekanauki.pl/articles/128480.pdf

Data publikacji:

2019

Wydawca:

Centralny Ośrodek Badawczo-Rozwojowy Przemysłu Poligraficznego

Tematy:

druk 3D
technologia FDM
filament
tworzywa sztuczne
materiał ekologiczny
recykling
3D printing
FDM technology
plastics
ecological material
recycling

Opis:

The article describes technologies and materials currently used in additive manufacturing processes. The authors present new concepts of materials that are biodegradable or use recycled substrates. Also presented is the influence of 3D printing on the environment, including potential problem caused by wide adoption of this technology.

Źródło:

Acta Poligraphica; 2019, 14; 55-70
2299-9981

Pojawia się w:

Acta Poligraphica

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 83.

Tytuł:

Application of polymer impression masses for the obtaining of dental working models for the stereolithographic 3D printing

Autorzy:

Dobrzański, L. B.
Achtelik-Franczak, A.
Dobrzańska, J.
Pietrucha, P.

Powiązania:

https://bibliotekanauki.pl/articles/378584.pdf

Data publikacji:

2019

Wydawca:

Stowarzyszenie Komputerowej Nauki o Materiałach i Inżynierii Powierzchni w Gliwicach

Tematy:

polyvinyl siloxane impression material
alignate impression material
CAD/CAM in dentistry
digital prosthetic working models
materiał wyciskowy poliwinylosiloksanowy
materiał wyciskowy alginianowy
CAD/CAM w stomatologii

Opis:

Purpose: The aim of the work is to execute measurements of digital dental models taken by scanning prosthetic impressions using the engineering CAD software and finding dimensional differences and scale factor for precise reproduction of patient tooth dimensions. Design/methodology/approach: Tests were carried out involving the execution of 3 series of impressions for selected impression materials, which were then scanned using two types of prosthetic scanners. Gypsum models based on mentioned impressions were scanned and dimensionally compared with impression-based digital models. Benchmark impressions were also performed in order to verify the obtained results and determine the correction factor for dimensions. The dimensional differences between impression groups were calculated by using Engineering CAD software. Findings: It was found, that compared to the base model, the digital model has a smaller volume than the object being mapped, the digital models based directly on the impression should be 0.09 - 0.12% rescaled to match the dimensions of the base model. Research limitations/implications: It is necessary to perform a practical verification of the results achieved and apply the determined coefficient in practice by creating working models using precise devices such as a 3D SLA printer and verify their results with intraoral scanner based models. Practical implications: This test will allow making precise working models using a 3D printer, allowing finally to perform, for example, implant-based bridges directly from the level of implants, using the masses described in the study. Originality/value: The comparative studies of polyvinyl siloxane and alignate impression materials were carried out in order to measure dimensional differences between working models made directly from the impression and gypsum models and compared with pattern, which allowed to determine the expansion coefficient, which will allow to work in 3D printing technology with close representation of real situation in the patient's oral cavity, which is particularly important when performing full arch bridges and extensive work on implants, including direct implants. The work has practical applications for both dental engineers and dentists performing advanced prosthetic work.

Źródło:

Archives of Materials Science and Engineering; 2019, 95, 1; 31-40
1897-2764

Pojawia się w:

Archives of Materials Science and Engineering

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 84.

Tytuł:

Wydruk 3D jako narzędzie do planowania zabiegów ortopedycznych
3D printing, as a tool for planning orthopedic surgery

Autorzy:

Cykowska-Błasiak, M
Ozga, P.

Powiązania:

https://bibliotekanauki.pl/articles/390786.pdf

Data publikacji:

2015

Wydawca:

Politechnika Lubelska. Wydawnictwo Politechniki Lubelskiej

Tematy:

technologie przyrostowe
druk 3D
implant
planowanie operacji
technologia addytywna
rapid prototyping
3D Printing
implants
surgery planning
addictive manufacturing

Opis:

Celem przeglądu literatury jest wyznaczenie zakresu zastosowań wydruków 3D uzyskiwanych w technologii druku przyrostowego CJP oraz 3DP w obrębie nauk przyrodniczych, ze szczególnym naciskiem na wykorzystanie ich do planowania zabiegów ortopedycznych o wysokim stopniu komplikacji. Badania nad stosowaną metodą będą związane w ścisłej korelacji z aspektem finansowym. Badacze przyjmują za aksjomat fakt, iż głównym nabywcą będzie jednostka poddana leczeniu (pacjent), odbiorcą natomiast podmiot lub osoba udzielająca jej pomocy (lekarz). Przy wykorzystaniu dostępnych otwarto-źródłowych rozwiązań programowych oraz odpowiedniej metodzie obróbki wyników badań CT, bazującej na algorytmie filtrów dla plików RAW, udało się uzyskać pierwsze relatywnie satysfakcjonujące efekty. Pozwalają one na prawie całkowite wykluczenie ludzkiej pracy z jednego z najtrudniejszych i najbardziej czasochłonnych procesów – jaki wpisz. Koszt całkowity (brutto) komercyjnego wydruku 3D, z uwzględnieniem wszystkich procesów produkcyjnych oraz poprodukcyjnych, jest średnio do 50% niższy od stawek komercyjnych dla modelu (os coxae) miednicy wraz z „os femoris” kością udową nieprzekraczającą długości 20 cm. Jest to efekt ”względnie pozytywny”. Mimo niewątpliwego sukcesu w zakresie kosztów druku 3D, będzie się dążyć do zmniejszenia kosztu wydruku o kolejne 30% (liczone od kwoty bazowej) poprzez wprowadzanie maszynowej obróbki oraz automatyzacji zadań oraz stosowanie innych metod druku. Zastosowanie wydruków 3D przy szeroko pojętym planowaniu zabiegów ortopedycznych, pozwala na znaczące zmniejszenie użycia instrumentarium oraz czasu zabiegu, w odniesieniu do przeprowadzonych podobnych działań, nieuwzględniających w swoim zakresie wydruku 3D.
The purpose of the literature review is to determine the scope of 3D printing, also known as RP (Rapid Prototyping) applications in manufacturing medical model based on CJP (Collor Jet Printing) technology, with emphasis on the use in orthopedic surgery planning. The research of the presented method will be focused on the financial aspect. Researchers accept as axiomatic fact that the main buyer of the MRP (Medical Rapid Prototyping) structure will be the patient while the recipient will be the doctor or surgeon that provides the operation. Using available open-source software solutions and suitable method for the treatment of CT (Computed Tomography) scans based on filtering RAW files managed we to get the best or relatively good results allowing to exclude a human work from one of the most difficult and time-consuming processes. Total cost of 3D printings including all production processes and post-productions are about 50% lower than commercial rates (on free market) for the model of: “oscoxae” including "osfemoris" (femur length not exceeding 20 cm). In our opinion it’s "relatively positive" effect. Despite the success in the field of lowering the cost of 3D prints our work is still focused on reducing it (at least up to another 30%) by using automated-machine processing and tasks automation, as well as using another printing methods. Using 3D printings as a tools to help plan complex orthopedic surgeries make possible to extremely reduce the time of using instrumentation and the treatment time (comparing to similar surgeries carried out without using 3D printings).

Źródło:

Budownictwo i Architektura; 2015, 14, 1; 15-23
1899-0665

Pojawia się w:

Budownictwo i Architektura

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 85.

Tytuł:

Conjoined twins – role of imaging and recent advances
Bliźnięta nierozdzielone – rola badań obrazowych oraz nowe technologie

Autorzy:

Mathew, Rishi Philip
Francis, Swati
Basti, Ram Shenoy
Suresh, Hadihally B.
Rajarathnam, Annie
Cunha, Prema D.
Rao, Sujaya V.

Powiązania:

https://bibliotekanauki.pl/articles/1033313.pdf

Data publikacji:

2017

Wydawca:

Medical Communications

Tematy:

3D printing
cephalopagus
conjoined twins
omphalopagus
thoracopagus

Opis:

Introduction: Conjoined twins are identical twins with fused bodies, joined in utero. They are rare complications of monochorionic twinning. The purpose of this study is to describe the various types of conjoined twins, the role of imaging and recent advances aiding in their management. Material and methods: This was a twin institutional study involving 3 cases of conjoined twins diagnosed over a period of 6 years from 2010 to 2015. All the 3 cases were identified antenatally by ultrasound. Only one case was further evaluated by MRI. Results: Three cases of conjoined twins (cephalopagus, thoracopagus and omphalopagus) were accurately diagnosed on antenatal ultrasound. After detailed counseling of the parents and obtaining written consent, all the three cases of pregnancy were terminated. Delivery of the viable conjoined twins was achieved without any complications to the mothers, and all the three conjoined twins died after a few minutes. Conclusion: Ultrasound enables an early and accurate diagnosis of conjoined twins, which is vital for obstetric management. MRI is reserved for better tissue characterization. Termination of pregnancy when opted, should be done at an early stage as later stages are fraught with problems. Recent advances, such as 3D printing, may aid in surgical pre-planning, thereby enabling successful surgical separation of conjoined twins.
Wstęp: Bliźnięta nierozdzielone to bliźnięta jednojajowe zrośnięte ze sobą w życiu płodowym. Jest to rzadkie powikłanie wśród bliźniąt jednokosmówkowych. Celem niniejszej pracy było przedstawienie różnych rodzajów bliźniąt nierozdzielonych, a także omówienie roli badań obrazowych oraz nowych technologii usprawniających postępowanie w takich przypadkach. Materiał i metody: Badaniem, przeprowadzonym w dwóch ośrodkach, objęto trzy przypadki bliźniąt nierozdzielonych, zdiagnozowane w okresie 6 lat – od 2010 do 2015 roku. W każdym przypadku rozpoznanie ustalono w prenatalnym badaniu ultrasonograficznym. W jednym przypadku w toku dalszej diagnostyki przeprowadzono badanie metodą rezonansu magnetycznego. Wyniki: Prezentowane trzy przypadki bliźniąt nierozdzielonych (cephalopagus, thoracopagus i omphalopagus) zostały prawidłowo zidentyfikowane w prenatalnym badaniu ultrasonograficznym. Po szczegółowym omówieniu rozpoznania z rodzicami oraz otrzymaniu pisemnej zgody wszystkie ciąże terminowano. Poród żywych bliźniąt był niepowikłany dla matek i we wszystkich przypadkach dzieci zmarły kilka minut po urodzeniu. Wnioski: Badanie ultrasonograficzne umożliwia wczesne i trafne rozpoznanie bliźniąt nierozdzielonych, co jest kluczowe w położnictwie. Rezonans magnetyczny stosuje się w celu bardziej szczegółowego scharakteryzowania tkanek. W przypadku decyzji o terminacji ciąży odpowiednie postępowanie należy wdrożyć jak najwcześniej, ze względu na problemy, jakie mogą się pojawić w późniejszych etapach ciąży. Nowe technologie, jak druk trójwymiarowy, mogą być pomocne w planowaniu zabiegów chirurgicznych i umożliwiają tym samym skuteczne rozdzielenie bliźniąt. Artykuł w wersji polskojęzycznej jest dostępny na stronie http://jultrason.pl/index.php/wydawnictwa/volume-17-no-71

Źródło:

Journal of Ultrasonography; 2017, 17, 71; 259-266
2451-070X

Pojawia się w:

Journal of Ultrasonography

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 86.

Tytuł:

Druk 3D jako technologia przyszłości – część 2
3D printing as a technology of the future – part 2

Autorzy:

Fiał, Chrystian
Pieknik, Marcin

Powiązania:

https://bibliotekanauki.pl/articles/1818677.pdf

Data publikacji:

2020

Wydawca:

Sieć Badawcza Łukasiewicz - Instytut Przemysłu Skórzanego

Tematy:

druk 3D
wytwarzanie przyrostowe
przemysł motoryzacyjny
przemysł lotniczy
budownictwo
technologia
3D printing
additive manufacturing
automotive industry
aviation industry
construction

Opis:

Obecnie technologia druku 3D znajduje zastosowanie w wielu obszarach życia codziennego i jest wykorzystywana w wielu gałęziach przemysłu. W publikacji skupiono się na omówieniu wykorzystania technologii druku 3D w przemyśle, zarówno przy projektowaniu samego wyrobu czy elementu, jak i do produkcji konkretnych części m.in. w motoryzacji, w budownictwie czy w przemyśle lotniczym. Technika druku 3D rozszerza swoje wykorzystanie na coraz to nowe obszary, z założenia nieoczywiste, takie jak przemysł spożywczy czy tekstylny. Technologia druku 3D zyskuje na popularności, ze względu na łatwy dostęp do drukarek oraz samych materiałów, a na przestrzeni lat kolejne gałęzie przemysłu zaczynają korzystać z ogromnych możliwości tej technologii.
Currently, 3D printing technology is used in many ways and is practiced in many industries. The publication focuses on the summary of the use of 3D printing technology in many different industries, during the design of the product or element itself, as well in production of parts results in automotive, construction and aviation. The 3D printing technique is expanding its use to newer and non-obvious areas, such as the food or textile industry. The technology of 3D is going more popular due to the easy access to printers and the materials themselves, and over the years, subsequent branches of industry benefit from the huge possibilities of this technology.

Źródło:

Technologia i Jakość Wyrobów; 2020, 65; 106--115
2299-7989

Pojawia się w:

Technologia i Jakość Wyrobów

Dostawca treści:

Biblioteka Nauki

/5

Artykuł

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Skocz do pozycji: 87.

Tytuł:

Use of 3D printing in head and neck surgery
Zastosowanie druku 3D w chirurgii głowy i szyi

Autorzy:

Likus, Wirginia
Nechoritis, Konstantinos
Różycka-Nechoritis, Aleksandra
Wilk, Renata
Hudecki, Andrzej
Gaweł, Wojciech
Przytuła-Kandzia, Katarzyna
Markowski, Jarosław

Powiązania:

https://bibliotekanauki.pl/articles/1035511.pdf

Data publikacji:

2020

Wydawca:

Śląski Uniwersytet Medyczny w Katowicach

Tematy:

3d printing
otolaryngology
head and neck
surgery
education
reconstruction
druk 3d
otolaryngologia
głowa i szyja
chirurgia
edukacja
rekonstrukcje

Opis:

Currently, 3D printing in medicine does not comprise only prostheses or implants, but also medical modelling and surgical planning. The future of 3D printing is printing combined with tissue bioengineering (bioprinting). Scaffolds made in 3D technology containing living cells are a step to creating tissues and organs. Three-dimensional printing in surgery is now considered the future of reconstructive and regenerative medicine. Head and neck surgery also benefits from advances in 3D printing. In this article, we will describe some of the possibilities offered by 3D printing in the aspect of education, training, and printed prostheses for the needs of head and neck surgery.
Obecnie druk 3D w medycynie oznacza nie tylko protezy czy implanty, ale także modelowanie medyczne i planowanie chirurgiczne. Przyszłością będzie druk 3D połączony z bioinżynierią tkankową (bioprinting). Rusztowania wykonane w technologii 3D zawierające żywe komórki są krokiem do tworzenia tkanek i narządów. Druk trójwymiarowy w chirurgii uważany jest obecnie za przyszłość medycyny rekonstrukcyjnej i regeneracyjnej, a z dokonań na tym polu korzysta także chirurgia głowy i szyi. W prezentowanym artykule opiszemy niektóre możliwości, jakie daje druk 3D w aspekcie edukacji, szkoleń oraz drukowanych protez na potrzeby chirurgii głowy i szyi.

Źródło:

Annales Academiae Medicae Silesiensis; 2020, 74; 99-115
1734-025X

Pojawia się w:

Annales Academiae Medicae Silesiensis

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 88.

Tytuł:

Wykorzystanie technologii druku 3D do konstrukcji anten planarnych
Use of 3D printing technology for planar antenna constructions

Autorzy:

Czerwiński, Maciej
Pasternak, Mateusz

Powiązania:

https://bibliotekanauki.pl/articles/209393.pdf

Data publikacji:

2020

Wydawca:

Wojskowa Akademia Techniczna im. Jarosława Dąbrowskiego

Tematy:

materiały elektroniczne
podłoża anten planarnych
zastosowania druku 3D
electronic materials
planar antennae substrates
3D print applications

Opis:

W pracy analizowano przydatność technologii druku 3D do konstrukcji podłoży antenowych o zadanej przenikalności elektrycznej. Parametr ten, jak wiadomo, ma silny wpływ na parametry anten planarnych. Zastosowanie druku 3D pozwala na dość swobodny dobór wartości przenikalności elektrycznej w granicach pomiędzy wartością dla powietrza i materiału litego. Dobór taki można realizować poprzez zmianę tworzywa wykorzystywanego do druku 3D oraz sposób wypełniania objętości podłoża. Wyniki symulacji i wstępnych pomiarów wskazują, że idea druku podłoży antenowych może być interesująca z konstrukcyjnego punktu widzenia. Przedmiotem opisanej w artykule pracy było wykonanie symulacji wybranych własności anten planarnych na podłożach drukowanych, a następnie realizacja pomiarów z wykorzystaniem wykonanych modeli laboratoryjnych. Porównanie otrzymanych wyników numerycznych z wartościami uzyskanymi w trakcie pomiarów jest źródłem informacji o stosowalności standardowych technik symulacyjnych w odniesieniu do podłoży drukowanych o dość skomplikowanej ażurowej strukturze.
The applicability of 3D print technologies for manufacturing of planar antenna substrates having tailored permittivity was considered in the work. The permittivity is known as a parameter that has strong influence on the planar antennae key parameters. The application of 3D print gives the possibility of changing this parameter in the range between its value for air up to the value for homogeneous solid material. The change can be achieved through the change of the filament material and the way of 3D print pattern. The preliminary results of simulations and measurements show that the idea of printing of planar antennae substrate may be interesting alternative from a design engineering point of view.

Źródło:

Biuletyn Wojskowej Akademii Technicznej; 2020, 69, 1; 57-65
1234-5865

Pojawia się w:

Biuletyn Wojskowej Akademii Technicznej

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 89.

Tytuł:

Influence of 3D-printing on the flammability properties of railway applications using polycarbonate (PC) and polylactic acid (PLA)

Autorzy:

Hohenwarter, Dieter
Fischer, Christopher
Berger, Matthias

Powiązania:

https://bibliotekanauki.pl/articles/215510.pdf

Data publikacji:

2020

Wydawca:

Instytut Kolejnictwa

Tematy:

fire behaviour
material
Polycarbonate
3D print

Opis:

Due to limited production numbers, using additive manufacturing for the production of railway components, is proving more economical. Furthermore, strict requirements regarding flammability properties, standardised in EN 45545-2, are applied on trains. This work focuses on the production of transparent components made of Polycarbonate via 3D-printing. The polymer was modified using different flame retardant agents and the influence of the printing parameters, especially the print density, was determined. Polylactic Acid was examined for comparison reasons only. The printed and modified polymers were tested exposing the samples to heat radiation, according to ISO 5660-1 using a Cone Calorimeter, and to a direct flame, according to UL 94. Processing and printing of the polymer causes thermal stress to the molecules. This may lead to a worsening of the flammability causing a decline of the properties compared to the native Polycarbonate. This was confirmed through both testing methods. Moreover, the additive and the print density both influence the flammability properties depending on the polymer type. In summary print parameters and additivation have to be carefully considered when it comes to the flammability properties of polymers.

Źródło:

Problemy Kolejnictwa; 2020, 187; 99-107
0552-2145
2544-9451

Pojawia się w:

Problemy Kolejnictwa

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 90.

Tytuł:

Influence of 3d Model Geometry on Dimensional and Shape Characteristics in Additive Manufacturing

Autorzy:

Tagowski, Michał

Powiązania:

https://bibliotekanauki.pl/articles/2106565.pdf

Data publikacji:

2022

Wydawca:

Polska Akademia Nauk. Czytelnia Czasopism PAN

Tematy:

additive manufacturing
3d printing
3d modelling
CAx

Opis:

Quality of 3d model in simple way translates into quality of final product, obtained from 3d printing. 3d CAx software give possibility to create enormous number of shapes - doesn’t matter solids or surfaces. The question is where is the frontier between quality of 3d model and a value for money of the completed print? Is it always necessary to create as good model as possible? This paper will focus on preparation of 3d models, based on primitives and will show connection between quality of mesh, its size and deviations and quality of obtained samples, in same manufacturing conditions.

Źródło:

Archives of Metallurgy and Materials; 2022, 67, 2; 391--396
1733-3490

Pojawia się w:

Archives of Metallurgy and Materials

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 91.

Tytuł:

Nanoroboty – koncepcja i realizacja robota nanosumo
Nanorobots – concept and realization of the robot Nanosumo

Autorzy:

PIECUCH, Grzegorz

Powiązania:

https://bibliotekanauki.pl/articles/455947.pdf

Data publikacji:

2012

Wydawca:

Uniwersytet Rzeszowski

Tematy:

nanosumo
mikrokontroler
druk 3D
microcontroller
3D printing

Opis:

Artykuł został poświęcony w całości zagadnieniom związanym z projektowaniem i konstruowaniem robota nanosumo. W skrócie przytoczono główne punkty regulaminu zawodów nanosumo, na podstawie których pokazano sposób projektowania konstrukcji mechanicznej i elektronicznej robota.
This article talk about the problems which connected with designing and building nanosumo robot. In brief quote the main points of the nanosumo competition rules and show how design the mechanical and electrical parts of robot.

Źródło:

Edukacja-Technika-Informatyka; 2012, 3, 2; 301-306
2080-9069

Pojawia się w:

Edukacja-Technika-Informatyka

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 92.

Tytuł:

3D printed poly L-lactic acid (PLLA) scaffolds for nasal cartilage engineering

Autorzy:

Jabłoński, A.
Kopeć, J.
Jatteau, S.
Ziąbka, M.
Rajzer, I.

Powiązania:

https://bibliotekanauki.pl/articles/970900.pdf

Data publikacji:

2018

Wydawca:

Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Polskie Towarzystwo Biominerałów

Tematy:

3D printing
PLLA
nasal cartilages
scaffolds
tissue engineering

Opis:

In this study the scaffolds for nasal cartilages replacement were designed using a software called Rhino 3D v5.0. The software parameters considered for the design of scaffolds were chosen and the scaffolds were fabricated using Fused Deposition Modeling (FDM), a rapid prototyping technology, using poly(L-lactic acid) (PLLA) filament. The topographical properties of the scaffolds were calculated through 3D model simulation. The morphology of obtained scaffold was observed by Scanning Electron Microscopy (SEM). The biological properties, i.e. bioactivity of the scaffolds, were assessed in Simulated Body Fluid. On the basis of natural cartilages images the external shape of the scaffold was designed using the 3D modeling software. The FDM is a useful method in fabrication of 3D bioactive implants for cartilage tissue engineering. Thanks to the use of 3D modeling software, it is possible to prepare and manufacture artificial cartilage in a controlled manner. Artificial scaffold made of PLLA polymeric matrix may mimic natural one by shape, topography, geometry, pore size, and their distribution. In addition, it is possible to guarantee appropriately selected biological properties such as biocompatibility and high bioactivity of scaffolds, which was proved using scanning electron microscopy (SEM) analysis. The surface observation of the 3D printed scaffolds showed in vitro formation of apatite after immersion in the SBF. What is more, it is possible to match the scaffold not only to the large cavity but also individually to each patient.

Źródło:

Engineering of Biomaterials; 2018, 21, 144; 15-19
1429-7248

Pojawia się w:

Engineering of Biomaterials

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 93.

Tytuł:

Investigation of Two-Step Metallization Process of Plastic 3D Prints Fabricated by SLA Method

Autorzy:

Kołczyk, K.
Zborowski, W.
Kutyła, D.
Kwiecińska, A.
Kowalik, R.
Żabiński, P.

Powiązania:

https://bibliotekanauki.pl/articles/356378.pdf

Data publikacji:

2018

Wydawca:

Polska Akademia Nauk. Czytelnia Czasopism PAN

Tematy:

electroless deposition
electrodeposition
thin films
metallization
3D printing

Opis:

This paper presents the results of experiments on metallization of plastic elements produced using 3D printing technology from the light-hardened resins. The obtained coatings were bimetallic (Cu/Ni). The first step of metallization was the electroless deposition of copper. The second one was electrodeposition of nickel on the previously prepared copper substrate. The parameters of 3D prints preparation and metallization processes were deeply investigated. The etching of plastics substrates and duration of electroless metallization of 3D prints by copper were analyzed. In the next step the influence of nickel electrodeposition time was investigated. The coating were analyzed by XRD method and morphology of surface was analyzed by scanning electron microscopy (SEM). The thickness of coatings was calculated based on mass differences and measured by using optical microscopy method. The optimal parameters for both processes were specified.

Źródło:

Archives of Metallurgy and Materials; 2018, 63, 2; 1031-1036
1733-3490

Pojawia się w:

Archives of Metallurgy and Materials

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 94.

Tytuł:

Concept of using the brain-computer interface to control hand prosthesis

Autorzy:

Żaba, Julia
Paszkiel, Szczepan

Powiązania:

https://bibliotekanauki.pl/articles/27314265.pdf

Data publikacji:

2022

Wydawca:

Sieć Badawcza Łukasiewicz - Przemysłowy Instytut Automatyki i Pomiarów

Tematy:

BCI
EEG
hand prosthesis
hand
prosthesis
3D printing

Opis:

This study examines the possibility of implementing intelligent artificial limbs for patients after injuries or amputations. Brain-computer technology allows signals to be acquired and sent between the brain and an external device. Upper limb prostheses, however, are quite a complicated tool, because the hand itself has a very complex structure and consists of several joints. The most complicated joint is undoubtedly the saddle joint, which is located at the base of the thumb. You need to demonstrate adequate anatomical knowledge to construct a prosthesis that will be easy to use and resemble a human hand as much as possible. It is also important to create the right control system with the right software that will easily work together with the brain-computer interface. Therefore, the proposed solution in this work consists of three parts, which are: the Emotiv EPOC + Neuroheadsets, a control system made of a servo and an Arduino UNO board (with dedicated software), and a hand prosthesis model made in the three-dimensional graphic program Blender and printed using a 3D printer. Such a hand prosthesis controlled by a signal from the brain could help people with disabilities after amputations and people who have damaged innervation at the stump site.

Źródło:

Journal of Automation Mobile Robotics and Intelligent Systems; 2022, 16, 4; 3--12
1897-8649
2080-2145

Pojawia się w:

Journal of Automation Mobile Robotics and Intelligent Systems

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 95.

Tytuł:

Application of 3D printing technology for mechanical properties study of the photopolymer resin used to print porous structures

Autorzy:

Małek, Ewelina
Miedzińska, Danuta
Popławski, Arkadiusz
Szymczyk, Wiesław

Powiązania:

https://bibliotekanauki.pl/articles/950080.pdf

Data publikacji:

2019

Wydawca:

Uniwersytet Warmińsko-Mazurski w Olsztynie

Tematy:

mechanical properties
rapid prototyping
SLA
stereolitography
fractal models

Opis:

In the field of numerical research there are various approaches and methods for structures of porous materials modeling. The solution is the use of fractal models to develop the porous structure. In the case of modeling the geometry of natural (random) materials, there is a problem of compatibility of the FE model geometry and real one. This is a source of differences between the results of calculations and experimental ones. Application of 3D printing technology will allow to receive a real structure in a controlled manner, which exactly reflects the designed structure and is consistent with the geometry of the numerical model. An experimental research on the standard samples made of photopolymer resin using 3D printing technique was presented in the paper. The aim of the research was to determine the base material properties and, consequently, to select the constitutive model, which is necessary to carry out numerical analyses.

Źródło:

Technical Sciences / University of Warmia and Mazury in Olsztyn; 2019, 22(2); 183-194
1505-4675
2083-4527

Pojawia się w:

Technical Sciences / University of Warmia and Mazury in Olsztyn

Dostawca treści:

Biblioteka Nauki

/5

Artykuł

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Skocz do pozycji: 96.

Tytuł:

Polymer Composites Used in Rapid Prototyping Technology

Autorzy:

Bulanda, Katarzyna
Oleksy, Mariusz
Oliwa, Rafał
Budzik, Grzegorz
Markowski, Tadeusz

Powiązania:

https://bibliotekanauki.pl/articles/175877.pdf

Data publikacji:

2020

Wydawca:

Polska Akademia Nauk. Czytelnia Czasopism PAN

Tematy:

3D printing
FDM
composites
metal nanofiller
polymer processing

Opis:

New materials and filaments dedicated to 3D printing were obtained using the fused deposition modeling method, and the properties of the produced materials were investigated. Polylactide was used as a polymer base for the assays because of the desired properties of the polymer, mainly biodegradability, and the matrix was refilled by the addition of metallic nanofillers, such as bronze, copper, brass, and steel. For the composites obtained, mechanical properties were investigated to determine the dependence of the obtained results on the content and type of filler used and on the method of fabrication of the fittings. It was found that the additives present in the polymer matrix increased the fluidity of the material. The best results were obtained for the compositions with bronze and steel in which the mass flow rate was 72.97 and 79.99 g/10 min, respectively. The filled material that had lower hardness was measured by Rockwell and the impact strength was measured by Charpy. In addition, it was found that injection-molded parts obtained much better mechanical properties than those obtained by 3D printing.

Źródło:

Advances in Manufacturing Science and Technology; 2020, 44, 1; 15-20
0137-4478

Pojawia się w:

Advances in Manufacturing Science and Technology

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 97.

Tytuł:

A new way of presenting diagnostic imaging studies in surgical planning

Autorzy:

Alzubedi, Adam
Kusz, Monika
Kuczyńska, Maryla
Białek, Wardemar
Bicki, Jacek
Rudzki, Sławomir

Powiązania:

https://bibliotekanauki.pl/articles/1392132.pdf

Data publikacji:

2019

Wydawca:

Index Copernicus International

Tematy:

3D printing
diagnostic imaging
holography
surgery
virtual reality

Opis:

Technological advancement, availability and common use of diagnostic imaging slowly but consistently leads to a change in its nature from being additional studies to becoming the basis for diagnostic process and treatment planning especially in complex cases that require surgical treatment. CT angiography study presentation using the illusion called “Pepper’s Ghost” in comparison to a three-dimensional printout and regular CT scan has been made to point out the relevance of research and implementation of new technologies in the diagnosis and surgical planning. Our image, despite being far from ideal and being just an illusion of a hologram, was more appealing and detailed to surgeons in comparison to a printed 3D model and standard CT angiography displayed with Osirix software. In order to change the existing methods of presenting imaging studies, it is advisable to use latest technologies, and among those currently available, ones based on virtual or mixed reality deserve special attention.

Źródło:

Polish Journal of Surgery; 2019, 91, 4; 48-51
0032-373X
2299-2847

Pojawia się w:

Polish Journal of Surgery

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 98.

Tytuł:

Procedural Analysis of the Parameters of 3D Printing Technology in the Process of Manufacturing Objects for Visually Impaired People

Autorzy:

Montusiewicz, Jerzy
Barszcz, Marcin
Korga, Sylwester

Powiązania:

https://bibliotekanauki.pl/articles/2202984.pdf

Data publikacji:

2022

Wydawca:

Stowarzyszenie Inżynierów i Techników Mechaników Polskich

Tematy:

3D modelling
3D scanning
3D printing
cultural heritage
Silk Road
visual impairment
visual impairments

Opis:

Counteracting the social and educational exclusion of visually impaired people is an important issue in the area of knowledge transfer, also in the area of cultural heritage. Visually impaired people get to know the world in an organoleptic way, where the leading cognitive factor is touch. This type of cognitive method cannot be used in museology and historical architecture. Current attempts to solve this problem lead to the use of additive technology understood as 3D printing. The paper presents a modified procedure for obtaining digital 3D models with the use of Autodesk Inventor version 2021, dedicated to creating scalable replicas of architectural objects using additive technology. The applied procedure uses the decomposition of the object into its components and the acquisition of data from terrestrial 3D laser scanning (FARO Focus 3D scanner, Faro Scene software). Printing in the Fused Filament Fabrication technology of a designed minaret representing the architecture of the Timuridian period (minaret of the Ulugh Beg Madrasa in Samarkand, Uzbekistan), originating from the Silk Road area, was carried out due to the size of the facility, divided into several parts. The obtained replica of the minaret was presented to people with simulated pattern dysfunction and tested in a pilot test. The obtained results confirmed that the decomposition of the object for the purposes of 3D modelling, the diversified scaling of individual elements to make real 3D replicas of the digital model facilitated the kinesthetic recognition of the relevant architectural object for the respondents.

Źródło:

Advances in Science and Technology. Research Journal; 2022, 16, 5; 299--311
2299-8624

Pojawia się w:

Advances in Science and Technology. Research Journal

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 99.

Tytuł:

Thermoplastic elastomer filaments and their application in 3D printing
Termoplastyczne włókna elastomerowe i ich zastosowanie w druku 3D

Autorzy:

Przybytek, A.
Kucińska-Lipka, J.
Janik, H.

Powiązania:

https://bibliotekanauki.pl/articles/272636.pdf

Data publikacji:

2016

Wydawca:

Sieć Badawcza Łukasiewicz - Instytut Inżynierii Materiałów Polimerowych i Barwników

Tematy:

3D printing
flexible filaments
thermoplastic elastomer
TPE
thermoplastic polyurethane
TPU
druk 3D
włókna elastyczne
elastomer termoplastyczny
termoplastyczny poliuretan

Opis:

The paper provides an overview on the materials used in the 3D printing technology (the Polish and foreign market) with a particular focus on flexible filaments and their possible application in the industry. There are described the techniques of 3D printing and modern filaments available on the market. There is observed the increase of interest in the production of products from filaments based on thermoplastic elastomers (TPE), including the applications in the electronics and medicine, especially in tissue engineering. Ability to modify the physical and mechanical properties of thermoplastic elastomers, combined with their unique elastic and processability properties, opens new possibilities for engineers, designers and bio-engineers. The possibility to use new materials in 3D printing can contribute to faster development of research and accelerates implementation of innovative products.
Praca stanowi przegląd dostępnych na rynku krajowym i zagranicznym materiałów używanych w technologii druku 3D. Szczególną uwagę poświęcono elastycznym włóknom (ang. flexible filaments) oraz ich potencjalnemu zastosowaniu w przemyśle. Przedstawiono i oceniono stosowane technologie druku 3D. Scharakteryzowano nowoczesne włókna kompozytowe, ich właściwości i zastosowanie. Opisano także najnowsze doniesienia literaturowe związane z otrzymywaniem nowoczesnych termoplastycznych elastomerów (TPE) do wykorzystania w technologii druku 3D. Na podstawie przeanalizowanych publikacji zauważono ogromny wzrost zainteresowania wykorzystaniem termoplastycznych poliuretanów (TPU) w przemyśle elektronicznym, medycznym oraz obuwniczym. Dostępne na rynku nowoczesne produkty wykonane przy użyciu drukarek 3D z wykorzystaniem TPU, potwierdzają te doniesienia. Interesujące jest wykorzystanie wodnych dyspersji TPU z możliwą kontrolą bioaktywności do zastosowań w inżynierii tkankowej. Dodatek do wodnych dyspersji TPU, biopolimerów lub poli(tlenku etylenu) (PEO) powoduje znaczny wzrost ich lepkości. Pozwala to na użycie tego materiału w drukarkach 3D w technologii niskotemperaturowego drukowania (LFDM). Możliwość kontrolowanej zmiany właściwości fizycznych i mechanicznych, wyjątkowa elastyczność, trwałość oraz łatwość przetwórstwa termoplastycznych elastomerów otwierają nowe możliwości wykorzystania druku 3D. Dzięki temu technologia ta przestaje być narzędziem jedynie do prototypowania – umożliwia ona drukowanie materiałów gotowych do użytku na skalę przemysłową.

Źródło:

Elastomery; 2016, 20, 4; 32-39
1427-3519

Pojawia się w:

Elastomery

Dostawca treści:

Biblioteka Nauki

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Skocz do pozycji: 100.

Tytuł:

3D w budownictwie. Część 1
Capabilities of use the three-dimensional printing technology in construction industry

Autorzy:

Sobotka, A.
Wrońska, K.

Powiązania:

https://bibliotekanauki.pl/articles/128804.pdf

Data publikacji:

2015

Wydawca:

PWB MEDIA Zdziebłowski

Tematy:

drukowanie przestrzenne
technologie
budownictwo
3D printing
technology
construction industry

Opis:

Druk przestrzenny jest rozwijającą się technologią, wykorzystaną w wielu sektorach gospodarki, takich jak przemysł lotniczy i motoryzacyjny, oraz innych dziedzinach, np. medycyna, moda, sztuka użytkowa. Pojawiają się próby zastosowania tej technologii także w budownictwie. W artykule zawarty jest opis rozwoju druku przestrzennego i krótka charakterystyka wybranych metod, tj. stereolitografii (SLA/SL), selektywnego spiekania laserowego (SLS), osadzania topionego materiału (FDM) oraz druku 3D (3DP). Przedstawiono także przykłady drukowania obiektów budowlanych. Dotychczasowe doświadczenia w tym zakresie posłużyły do przeanalizowania możliwości druku przestrzennego w szerszym zastosowaniu do budownictwa. Technologia ta niesie za sobą duży potencjał automatyzacji i robotyzacji pracochłonnych robót budowlanych.
The three-dimensional printing technology is evolving and it is using in a variety of sectors, such as aerospace and automotive, and other branch, for example: medicine, fashion, art. The scientists are trying to apply this technology in to the construction industry. The paper is describing the development of three-dimensional printing and contains brief description of methods like: Stereolithography (SLA/SL), Selective Laser Sintering (SLS), Fused Deposition Modeling (FDM) and 3D Printing (3DP). This paper is describing examples from the world, where three-dimensional printing technology is used to print the buildings. Based experience in this area was used to analyze the capabilities of three-dimensional printing in wide use for building industry. This technology has a great potential for automation and robotics labor-intensive works on construction site.

Źródło:

Builder; 2015, 19, 10; 26-29
1896-0642

Pojawia się w:

Builder

Dostawca treści:

Biblioteka Nauki

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