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    Wyświetlanie 1-13 z 13
    Tytuł:
    Influence of process parameters on dimensional accuracy of parts manufactured using fused deposition modelling technology
    Autorzy:
    Górski, F.
    Kuczko, W.
    Wichniarek, R.
    Powiązania:
    https://bibliotekanauki.pl/articles/101920.pdf
    Data publikacji:
    2013
    Wydawca:
    Stowarzyszenie Inżynierów i Techników Mechaników Polskich
    Tematy:
    rapid prototyping
    fused deposition modelling
    3D optical scanning
    manufacturing accuracy
    Opis:
    The paper presents the results of experimental study – part of research of additive technology using thermoplastics as a build material, namely Fused Deposition Modelling (FDM). Aim of the study was to identify the relation between basic parameter of the FDM process – model orientation during manufacturing – and a dimensional accuracy and repeatability of obtained products. A set of samples was prepared – they were manufactured with variable process parameters and they were measured using 3D scanner. Significant differences in accuracy of products of the same geometry, but manufactured with different set of process parameters were observed.
    Źródło:
    Advances in Science and Technology. Research Journal; 2013, 7, 19; 27-35
    2299-8624
    Pojawia się w:
    Advances in Science and Technology. Research Journal
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Influence of filling type on strength of parts manufactured by Fused Deposition Modelling
    Autorzy:
    Górski, F.
    Wichniarek, R.
    Kuczko, W.
    Powiązania:
    https://bibliotekanauki.pl/articles/99735.pdf
    Data publikacji:
    2014
    Wydawca:
    Wrocławska Rada Federacji Stowarzyszeń Naukowo-Technicznych
    Tematy:
    rapid prototyping
    fused deposition modelling
    strength tests
    Opis:
    Fused Deposition Modelling technology allows to produce elements of very complex shapes without any additional tooling, which is why it has a broad range of industrial applications. Possibility of manufacturing parts with controlled degree of internal filling allows to shorten the manufacturing time and reduce volume of used material. The paper presents influence of layer filling type on part capability of carrying loads and economical coefficients of the manufacturing process. A problem of mechanical properties is important especially in case of elements used as functional prototypes. The paper presents methodology and results of experimental strength tests of samples with various types of internal filling. As a build material for test samples, ABS material was used. Composite samples were also used the ABS matrix produced by Fused Deposition Modelling was filled with chemically hardening polyurethane resin in a process developed by authors. The samples were subjected to destructive testing and their strength properties were compared.
    Źródło:
    Journal of Machine Engineering; 2014, 14, 3; 113-125
    1895-7595
    2391-8071
    Pojawia się w:
    Journal of Machine Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Application of additive technology of Fused Deposition Modeling for manufacturing small series of elastic models
    Autorzy:
    Wichniarek, R.
    Górski, F.
    Kuczko, W.
    Powiązania:
    https://bibliotekanauki.pl/articles/118183.pdf
    Data publikacji:
    2014
    Wydawca:
    Polskie Towarzystwo Promocji Wiedzy
    Tematy:
    Rapid Manufacturing
    rapid tooling
    additive manufacturing technologies
    elastic models
    Opis:
    The paper presents an application of additive method of Fused Deposition Modeling for manufacturing of small series of elastic models. Additive FDM technology is used to produce a casting mould for multiple use. Process of manufacturing of small series of products consists in casting a two-component silicone rubber degassed using vacuum chamber into a multiple use mould. The paper shows the course of the process and related problems on the example of industrial product – a cylindrical seal. The casting mould was produced out of ABS material using BST 1200 machine, whereas casted elastic models were made out of XTX 45 silicone rubber.
    Źródło:
    Applied Computer Science; 2014, 10, 2; 20-31
    1895-3735
    Pojawia się w:
    Applied Computer Science
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Odtwarzanie zużytych lub zniszczonych elementów maszyn za pomocą inżynierii odwrotnej oraz technik szybkiego wytwarzania
    Re-creation of worn or damaged machine parts using reverse engineering and rapid manufacturing techniques
    Autorzy:
    Górski, F.
    Kuczko, W.
    Wichniarek, R.
    Powiązania:
    https://bibliotekanauki.pl/articles/270243.pdf
    Data publikacji:
    2013
    Wydawca:
    Wrocławska Rada Federacji Stowarzyszeń Naukowo-Technicznych
    Tematy:
    inżynieria odwrotna
    szybkie prototypowanie
    skanowanie 3D
    modelowanie CAD
    reverse engineering
    rapid prototyping
    3D scanning
    CAD modeling
    computer-aided design
    Opis:
    Utrzymanie maszyn i urządzeń w ciągłej pracy jest ważnym kryterium sukcesu przedsiębiorstw produkcyjnych. W przypadku, kiedy z różnych względów nie ma dostępu do dokumentacji technicznej poszczególnych podzespołów lub nie ma możliwości nabycia części zamiennych, dużym wyzwaniem staje się skrócenie do minimum przerw w produkcji spowodowanych awariami. Stosując techniki inżynierii odwrotnej oraz szybkiego wytwarzania na podstawie zużytego lub uszkodzonego elementu można w krótkim czasie wytworzyć jego funkcjonalny odpowiednik. W pracy przedstawiono metodykę pomiaru, odtworzenia dokumentacji trójwymiarowej oraz wytworzenia prototypu funkcjonalnego koła zębatego przenoszącego napęd z silnika w urządzeniu poligraficznym. Dokonano porównania użyteczności części wykonanych z zastosowaniem dwóch technik: kształtowania przyrostowego uplastycznionym tworzywem oraz odlewania próżniowego w formach silikonowych.
    Keeping machines and devices in constant operation is an important criterion of success of manufacturing companies. In case when for some reason there is no access to technical documentation of particular sub-assemblies or there is no possibility of purchasing the spare parts, reduction of unwanted pauses in production caused by machine malfunction becomes a huge challenge. Application of reverse engineering and Rapid Manufacturing techniques allows to produce a functional replacement for the worn or destroyed part in a relatively short time. The paper presentsmethodology of measurement, re-creation of 3D documentation and manufacturing of a functional prototype of a helical gear for power transmission from electrical engine in a typographic device. A comparison of usability of parts manufactured using two technologies was prepared. The first technology was Fused Deposition Modeling – one of additive manufacturing technologies and the second technology was Vacuum Casting.
    Źródło:
    Inżynieria Maszyn; 2013, R. 18, z. 1; 7-17
    1426-708X
    Pojawia się w:
    Inżynieria Maszyn
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Prototyping of cosmetic prosthesis of upper limb using additive manufacturing technologies
    Autorzy:
    Radosh, A.
    Kuczko, W.
    Wichniarek, R.
    Górski, F.
    Powiązania:
    https://bibliotekanauki.pl/articles/102410.pdf
    Data publikacji:
    2017
    Wydawca:
    Stowarzyszenie Inżynierów i Techników Mechaników Polskich
    Tematy:
    upper limb
    additive manufacturing
    cosmetic prosthesis
    medical prototype
    Opis:
    This paper describes prototyping of an individualized cosmetic arm prosthesis. Aim of the studies was to obtain an anatomically correct, lightweight prosthesis. It was accomplished using additive manufacturing technology of fused deposition modeling. The data was obtained by 3D scanning. An experimental concept of dual extrusion of two different materials was applied – the prosthesis was divided into an elastic shell and a rigid core, manufactured in one process. Obtained results were positive.
    Źródło:
    Advances in Science and Technology. Research Journal; 2017, 11, 3; 102-108
    2299-8624
    Pojawia się w:
    Advances in Science and Technology. Research Journal
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Prototyping of individual ankle orthosis using additive manufacturing technologies
    Autorzy:
    Wierzbicka, N.
    Górski, F.
    Wichniarek, R.
    Kuczko, W.
    Powiązania:
    https://bibliotekanauki.pl/articles/102907.pdf
    Data publikacji:
    2017
    Wydawca:
    Stowarzyszenie Inżynierów i Techników Mechaników Polskich
    Tematy:
    ankle orthosis
    additive manufacturing
    reverse engineering
    Opis:
    The paper presents design and manufacturing process of an individualized ankle orthosis using additive manufacturing technologies and reverse engineering. Conventional processes of manufacturing of orthoses are expensive and time consuming Thus, an alternative method was proposed. The patient’s leg was 3D scanned and the orthosis was designed using a CAD system. It was then manufactured using the Fused Deposition Modelling technology, assembled and fully tested. Positive results were obtained.
    Źródło:
    Advances in Science and Technology. Research Journal; 2017, 11, 3; 283-288
    2299-8624
    Pojawia się w:
    Advances in Science and Technology. Research Journal
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Influence of post-processing on the accuracy of fdm products
    Autorzy:
    Kuczko, W.
    Górski, F.
    Wichniarek, R.
    Buń, P.
    Powiązania:
    https://bibliotekanauki.pl/articles/103092.pdf
    Data publikacji:
    2017
    Wydawca:
    Stowarzyszenie Inżynierów i Techników Mechaników Polskich
    Tematy:
    additive manufacturing
    Fused Deposition Modelling
    3d scanning
    post-processing
    visual prototype
    Opis:
    This paper presents the assessment of the rapid prototyping finishing techniques for printed components. The aim of the study was to compare the element printed with FDM technology before and after the treatment, using 3D scanning techniques. The object was scanned right after manufacturing, then it was subjected to finishing treatment and 3D-scanned again. The assessment of the results was performed using the GOM Inspect software, based on a comparison between scans and nominal model.
    Źródło:
    Advances in Science and Technology. Research Journal; 2017, 11, 2; 172-179
    2299-8624
    Pojawia się w:
    Advances in Science and Technology. Research Journal
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Experimental Determination of Critical Orientation of ABS Parts Manufactured Using Fused Deposition Modelling Technology
    Autorzy:
    Górski, F.
    Wichniarek, R.
    Kuczko, W.
    Andrzejewski, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/99414.pdf
    Data publikacji:
    2015
    Wydawca:
    Wrocławska Rada Federacji Stowarzyszeń Naukowo-Technicznych
    Tematy:
    rapid manufacturing
    fused deposition modelling
    tensile strength
    Opis:
    The paper presents results of experiments aimed at determination of range of critical orientation for parts manufactured additively using the Fused Deposition Modelling method, out of ABS material. Numerous previous observations of plastic parts manufactured additively using the FDM process allowed concluding, that change of values of the manufacturing orientation (i.e. direction of layer slicing plane) has large influence on the macrostructure of obtained parts, thus affecting their strength and behaviour under load – the material behaves either as a thermoplastic with a yield point or as a brittle material with no yield point. The paper presents methodology and results of experiments aimed at determination of a certain value or value range, at which transition between the two behaviours occurs. The experiments consisted of tensile tests performed on samples manufactured additively in a pre-selected range of orientations. The obtained results – a value range valid for the selected type of load and sample shape – will be useful in future to help select an optimal orientation of part for a defined task.
    Źródło:
    Journal of Machine Engineering; 2015, 15, 4; 121-132
    1895-7595
    2391-8071
    Pojawia się w:
    Journal of Machine Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Application of additively manufactured polymer composite prototypes in foundry
    Autorzy:
    Kuczko, W.
    Wichniarek, R.
    Górski, F.
    Buń, P.
    Zawadzki, P.
    Powiązania:
    https://bibliotekanauki.pl/articles/957963.pdf
    Data publikacji:
    2015
    Wydawca:
    Stowarzyszenie Inżynierów i Techników Mechaników Polskich
    Tematy:
    additive manufacturing
    Fused Deposition Modelling
    foundry tooling
    Opis:
    The paper presents a method, developed by the authors, for manufacturing polymer composites with the matrix manufactured in a layered manner (via 3D printing – Fused Deposition Modeling) out of a thermoplastic material. As an example of practical application of this method, functional prototypes are presented, which were used as elements of foundry tooling – patterns for sand molding. In case of manufacturing prototype castings or short series of products, foundries usually cooperate with modeling studios, which produce patterns by conventional, subtractive manufacturing technologies. If patterns have complex shapes, this results in high manufacturing costs and significantly longer time of tooling preparation. The method proposed by the authors allows manufacturing functional prototypes in a short time thanks to utilizing capabilities of additive manufacturing (3D printing) technology. Thanks to using two types of materials simultaneously (ABS combined with chemically hardened resins), the produced prototypes are capable of carrying increased loads. Moreover, the method developed by the authors is characterized by manufacturing costs lower than in the basic technology of Fused Deposition Modeling. During the presented studies, the pattern was produced as a polymer composite and it was used to prepare a mold and a set of metal castings.
    Źródło:
    Advances in Science and Technology. Research Journal; 2015, 9, 26; 20-27
    2299-8624
    Pojawia się w:
    Advances in Science and Technology. Research Journal
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Mechanical properties of parts of medical components produced using additive manufacturing technologies
    Autorzy:
    Górski, F.
    Wichniarek, R.
    Kuczko, W.
    Burdzińska, M.
    Jankowska, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/102279.pdf
    Data publikacji:
    2017
    Wydawca:
    Stowarzyszenie Inżynierów i Techników Mechaników Polskich
    Tematy:
    additive manufacturing
    slings
    mechanical properties
    medical devices
    Opis:
    The paper presents results of tests conducted on the elements of medical devices - slings used in medical lifts - manufactured using additive technologies. The project assumed to produce 100 samples of clips with varying design, material and orientation parameter. Samples were manufactured using FDM and SLA processes and then tested for mechanical strength, load transmission and functionality, using certified equipment. The paper shows full methodology and the obtained test results.
    Źródło:
    Advances in Science and Technology. Research Journal; 2017, 11, 2; 166-171
    2299-8624
    Pojawia się w:
    Advances in Science and Technology. Research Journal
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Influence of marker arrangement on positioning accuracy of objects in a virtual environment
    Autorzy:
    Górski, F.
    Wichniarek, R.
    Kuczko, W.
    Zawadzki, P.
    Buń, P.
    Powiązania:
    https://bibliotekanauki.pl/articles/102454.pdf
    Data publikacji:
    2015
    Wydawca:
    Stowarzyszenie Inżynierów i Techników Mechaników Polskich
    Tematy:
    marker arrangement
    positioning
    virtual environment
    Opis:
    The paper presents results of studies undertaken by the authors, aimed at determination of character of influence of marker arrangement on real-time measurement of position and orientation of an object, using an exemplary optical tracking system PST-55. Such a system can be used for interaction in immersive Virtual Reality applications. To ensure better immersion of a user in a virtual environment, it is necessary to directly translate its actions into 3D image presented by the VR application. It is possible, among other things, by the application of systems for tracking user’s movements. During the presented studies, an object with infrared-reflective markers deployed on its surface was placed in the center of a rotary table, then it was measured by the tracking system to determine the influence of the object angular position on the accuracy of determination of its position and orientation by the examined device. The measurements were performed for several different arrangements of markers, to formulate guidelines for their deployment on objects used for work in a virtual environment.
    Źródło:
    Advances in Science and Technology. Research Journal; 2015, 9, 28; 112-119
    2299-8624
    Pojawia się w:
    Advances in Science and Technology. Research Journal
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    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
    Artykuł
    Tytuł:
    Strength of abs parts produced by fused deposition modelling technology – a critical orientation problem
    Autorzy:
    Górski, F.
    Wichniarek, R.
    Kuczko, W.
    Zawadzki, P.
    Buń, P.
    Powiązania:
    https://bibliotekanauki.pl/articles/957964.pdf
    Data publikacji:
    2015
    Wydawca:
    Stowarzyszenie Inżynierów i Techników Mechaników Polskich
    Tematy:
    ABS material
    FDM technology
    strength
    Opis:
    Numerous experimental studies, including experiments performed by the authors, have shown that the part orientation during layer deposition has a very strong in-fluence on final strength of a product manufactured by additive Fused Deposition Technology. The paper presents the results of tensile, bending and impact strength tests performed on samples of various orientations, made out of ABS material using FDM technology. The results of these tests allowed discovering a unique phenomenon – with the changing orientation, not only the values of strength indexes change, but macroscopic material behavior under load as well. The transition between a “yield point” and “brittle” material usually happens in a certain range of orientation values, named a critical orientation by the authors. The paper indicates supposed ranges of critical orientation for various types of loads
    Źródło:
    Advances in Science and Technology. Research Journal; 2015, 9, 26; 12-19
    2299-8624
    Pojawia się w:
    Advances in Science and Technology. Research Journal
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-13 z 13

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