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Wyświetlanie 1-15 z 126
Tytuł:
Improving manufacturing processes using simulation methods
Autorzy:
Kłos, S.
Patalas-Maliszewska, J.
Trebuna, P.
Powiązania:
https://bibliotekanauki.pl/articles/118119.pdf
Data publikacji:
2016
Wydawca:
Polskie Towarzystwo Promocji Wiedzy
Tematy:
computer simulation
production line
buffer allocation
throughput
Opis:
The paper presents the results of simulation research on buffer space allo-cated in a flow line and operation times influence on the throughput of a manufacturing system. The production line in the study consists of four stages and is based on a real machining manufacturing system of a small production enterprise. Using Tecnomatix Plant Simulation software, a simulation model of the system was created and set of experiments was planned. Simulation experiments were prepared for different capacities of intermediate buffers located between manufacturing resources and op-eration times as input parameters, and the throughput per hour and aver-age life span of products as the output.
Źródło:
Applied Computer Science; 2016, 12, 4; 7-17
1895-3735
Pojawia się w:
Applied Computer Science
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Recent developments in abrasive hybrid manufacturing processes
Autorzy:
Ruszaj, A.
Skoczypiec, S.
Wyszyński, D.
Powiązania:
https://bibliotekanauki.pl/articles/407233.pdf
Data publikacji:
2017
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
hybrid manufacturing process
electrochemical
electrodischarge
abrasive
machining
grinding
Opis:
Recent dynamic development of abrasive hybrid manufacturing processes results from application of a new difficult for machining materials and improvement of technological indicators of manufacturing processes already applied in practice. This tendency also occurs in abrasive machining processes which are often supported by ultrasonic vibrations, electrochemical dissolution or by electrical discharges. In the paper we present the review of new results of investigations and new practical applications of Abrasive Electrodischarge (AEDM) and Electrochemical (AECM) Machining.
Źródło:
Management and Production Engineering Review; 2017, 8, 2; 81-90
2080-8208
2082-1344
Pojawia się w:
Management and Production Engineering Review
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
A SPC Strategy for Decision Making in Manufacturing Processes
Autorzy:
Gil del Val, Alain
Sawik, Bartosz
Agustín, Alba
Faulín, Javier
Diéguez, Pedro María
Powiązania:
https://bibliotekanauki.pl/articles/375961.pdf
Data publikacji:
2019
Wydawca:
Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
Tematy:
tapping
SPC
decision
quality
PCA
Opis:
Tapping is an extensively employed manufacturing process by which a multi-teeth tool, known as a tap, cuts a mating thread when driven into a hole. When taps are new or slightly worn, the process is under control and the geometry of the resulting threads on the workpiece is correct. But as the tap wear increases, the thread geometry deviates progressively from the correct one and eventually the screw threads become unacceptable. The aim of this paper is to outline the development of a statistical process control strategy for decision making based on data coming from the current signal of the tap spindle for assessing thread quality. It could operate on line, and indicates when the tap wear is so critical that, if the process were continued, it would result in unacceptable screw threads. The system would be very cost-effective since the tapping process could be run without any operator intervention.
Źródło:
Decision Making in Manufacturing and Services; 2019, 13, 1-2; 5-15
1896-8325
2300-7087
Pojawia się w:
Decision Making in Manufacturing and Services
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Hybrid additive and subtractive manufacturing processes and systems: a review
Autorzy:
Grzesik, W.
Powiązania:
https://bibliotekanauki.pl/articles/99525.pdf
Data publikacji:
2018
Wydawca:
Wrocławska Rada Federacji Stowarzyszeń Naukowo-Technicznych
Tematy:
hybrid manufacturing
CNC machining
additive machining
laser cladding
repair technology
Opis:
This review paper highlights the hybrid manufacturing processes which integrate the additive and subtractive processes performing on one hybrid platform consisting of the LMD (laser metal deposition) unit and CNC machine tools. In particular, some important rules and advantages as well as technological potentials of the integration of different AM technique and finishing CNC machining operations are discussed and overviewed. Some representative examples such as formation of difficult features around the part periphery, deposition of functional layers and coatings and repair of high-value parts in aerospace industry are provided. Some conclusions and future trends in the implementation of hybrid processes are outlined.
Źródło:
Journal of Machine Engineering; 2018, 18, 4; 5-24
1895-7595
2391-8071
Pojawia się w:
Journal of Machine Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Microstructure-Based Numerical Modelling of Manufacturing Processes of Nanolayered Materials
Autorzy:
Muszka, K.
Madej, Ł.
Graca, P.
Stefańska-Kądziela, M.
Majta, J.
Powiązania:
https://bibliotekanauki.pl/articles/99911.pdf
Data publikacji:
2014
Wydawca:
Wrocławska Rada Federacji Stowarzyszeń Naukowo-Technicznych
Tematy:
nanolayered steel
severe plastic deformation
FEM modelling
Opis:
Recent development in the field of numerical modelling of innovative manufacturing processes, in which nanolayered materials can be produced, is presented in the paper. Combination of the Angular Accumulative Drawing, continuous wire drawing and wire flattening were used to produce thin nanolayers that will be used for subsequent production of nanolayered metal strips using Accumulative Roll Bonding process. Proposed methodology combines microstructural aspects of deformation such as strain-induced precipitation processes and development of dislocation substructures. Additionally, multiscale modelling approach based on the 3D Digital Materials Representation was utilized to support experimental research and to investigate inhomogeneous material behaviour during deformation. Proposed methodology provides a possibility of forming materials, which are e.g. difficult to form in a conventional manner. Advantages and limitations of the proposed model are summarized and discussed with respect to its potential application to precipitation strengthened bcc nanolayered materials.
Źródło:
Journal of Machine Engineering; 2014, 14, 1; 39-52
1895-7595
2391-8071
Pojawia się w:
Journal of Machine Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Multi-Criterion Assessment of Different Variants of Casts Manufacturing Processes
Autorzy:
Kukla, S.
Powiązania:
https://bibliotekanauki.pl/articles/381235.pdf
Data publikacji:
2014
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
application of information technology
foundry industry
automation in foundry
robotics in foundry
zastosowanie technologii informatycznych
przemysł odlewniczy
automatyka w odlewnictwie
robotyka w odlewnictwie
Opis:
The paper presents the issue of production processes improvement in foundries in the area of finishing treatment of iron casts manufactured on automated foundry lines with vertical or horizontal mould division. Due to numerous factors which influence the efficiency of the processes, multi-criterion assessment tools were proposed in order to select the optimal solution for the assumed criteria. After determining the criteria weight using the Saaty method, a simulation experiment was designed and carried out which presents possible scenarios of casts finishing treatment operations. Basing on experiment reports from a computer model, particular solutions were evaluated using the Yager’s method. The evaluation of the experiment results was performed by experts who assessed different options according to each of the criteria adopted. After the establishment of the total standardized ratings by averaging the scores given by individual experts, the final decision was generated. Using the presented method, the best solution was chosen from among the analyzed scenarios.
Źródło:
Archives of Foundry Engineering; 2014, 14, 3; 47-50
1897-3310
2299-2944
Pojawia się w:
Archives of Foundry Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Quality and Safety Assurance of Iron Casts and Manufacturing Processes
Autorzy:
Kukla, S.
Powiązania:
https://bibliotekanauki.pl/articles/381237.pdf
Data publikacji:
2016
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
foundry
automation in foundry
robotics in foundry
transport systems
quality management
workplace organization
ergonomics of work
odlewnia
automatyzacja w odlewni
robotyka w odlewni
systemy transportowe
zarządzanie jakością
organizacja pracy
ergonomia pracy
Opis:
The scope of this work focuses on the aspects of quality and safety assurance of the iron cast manufacturing processes. Special attention was given to the processes of quality control and after-machining of iron casts manufactured on automatic foundry lines. Due to low level of automation and huge work intensity at this stage of the process, a model area was established which underwent reorganization in accordance with the assumptions of the World Class Manufacturing (WCM). An analysis of work intensity was carried out and the costs were divided in order to identify operations with no value added, particularly at individual manufacturing departments. Also an analysis of ergonomics at work stations was carried out to eliminate activities that are uncomfortable and dangerous to the workers' health. Several solutions were proposed in terms of rationalization of work organization at iron cast after-machining work stations. The proposed solutions were assessed with the use of multi-criteria assessment tools and then the best variant was selected based on the assumed optimization criteria. The summary of the obtained results reflects benefits from implementation of the proposed solutions.
Źródło:
Archives of Foundry Engineering; 2016, 16, 2; 17-20
1897-3310
2299-2944
Pojawia się w:
Archives of Foundry Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Multicriteria optimization of manufacturing processes taking into account the validity criteria
Autorzy:
Plonka, S.
Lorek, L. R.
Powiązania:
https://bibliotekanauki.pl/articles/99875.pdf
Data publikacji:
2016
Wydawca:
Wrocławska Rada Federacji Stowarzyszeń Naukowo-Technicznych
Tematy:
multicriteria optimization
manufacturing processes
manufacturing cost
product quality
Opis:
In the paper a method is presented of the best variant selection of a manufacturing process of a rotor to open end spinning machine with use of original optimization proceeding based on adopted criteria, taking into consideration their importance. Unit manufacturing cost and five criteria of manufacturing quality were taken as criteria to the assessment. The assessment criteria resulted from calculations and measurements were normalized. Knowledge of experts was used to determine importance of the criteria taken to the assessment. Each from the experts had built his own importance matrix of the assessment criteria, comparable in pairs, using the Saaty’s method. The weights of individual criteria were determined on the basis of cumulative matrix. In the next stage of the proceeding, normalized decisions were created by raising each assessment to a power equal to corresponding weight. In the last stage of the proceeding, a single optimal ordering comprising the smallest s-th components of the individual decisions d1, d2, …, dm was created. A variant which corresponds to the largest component of the optimal ordering is assumed as the best variant.
Źródło:
Journal of Machine Engineering; 2016, 16, 4; 31-48
1895-7595
2391-8071
Pojawia się w:
Journal of Machine Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Application of multi-criteria approach for sustainability assessment of manufacturing processes
Autorzy:
Kluczek, A.
Powiązania:
https://bibliotekanauki.pl/articles/407367.pdf
Data publikacji:
2016
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
multi-criteria decision analysis
analytical hierarchy process
sustainability assessment
manufacturing
Opis:
The paper is to present a multi-criteria approach for sustainability assessment of manufacturing processes, which can be applied to carry out the sustainability assessment of manufacturing processes requiring less detailed data, time, and expert knowledge, but still providing a company-level analysis. The analytical hierarchy process method is used to determine ranking of simple and relevant activity areas for manufacturing processes in terms of sustainability objectives. Analytical technique is also employed to assess the degree of sustainability in manufacturing due to limited information which appear to be a characteristic of the case study presented. One goal of sustainability characterization methodology is to improve the manufacturing sustainability performance. Similar to the baseline scenario, sustainability reevaluation for sustainability improvement is also applied and discuses performance profile at the process level. This approach seems particularly useful when comparing different processes. It makes applicable for various industries and might be a challenge to derive priorities for systematic improvement. The applicability and usability of the proposed assessment method was verified by the case study in company producing heating devices.
Źródło:
Management and Production Engineering Review; 2016, 7, 3; 62-78
2080-8208
2082-1344
Pojawia się w:
Management and Production Engineering Review
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Logistyczne wyposażenie współczesnych procesów produkcyjnych
Logistics equipments of modern manufacturing processes
Autorzy:
Styp-Rekowski, Michał
Oborsky, Ivan L.
Matuszewski, Maciej
Powiązania:
https://bibliotekanauki.pl/articles/2204813.pdf
Data publikacji:
2021
Wydawca:
Wydawnictwo AWART
Tematy:
logistics
manufacturing process
warehousing
expediting
logistics equipment
logistyka
proces produkcyjny
magazynowanie
ekspedycja
sprzęt logistyczny
Opis:
W artykule dokonano syntezy informacji literaturowych dotyczących logistyki procesów produkcyjnych, zawężając ją do przemysłu maszynowego. Wskazano te elementy, które są niezbędne w nowoczesnych procesach wytwórczych, zarówno w zakresie procedur i oprogramowania (software) jak również wykorzystywanego sprzętu (hardware). Wykazano, że zmiana (unowocześnienie) środków produkcji generuje potrzebę zmian w logistyce procesów wytwarzania. Obydwa elementy łącznie pozwalają na wyraźne zwiększenie efektywności tych procesów. Holistyczne ujęcie zagadnienia, zawierające aspekty: techniczne, ekonomiczne oraz środowiskowe, przyczyniło się do tego, że proponowane w artykule rozwiązania mogą być przydatne w szeroko pojętej technosferze.
In this paper a synthesis of literature information on the logistics of manufacturing processes was made, narrowing it down to the machine-building industry. The elements which are indispensable in modern manufacturing processes, both in terms of procedures and programs (software) and the nr 4/2021 www.obrobkametalu.tech equipment used (hardware), have been identified. It has been shown that the change (modernization) of the means of production generates the need for changes in the logistics of manufacturing processes. Both elements together allow for a clear increase in the efficiency of these processes. The holistic approach to the issue, including technical, economic and environmental aspects, contributed to the fact that the solutions proposed in the article can be useful in the widely understood technosphere.
Źródło:
Obróbka Metalu; 2021, 4; 13--19
2081-7002
Pojawia się w:
Obróbka Metalu
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Numerical modelling of innovative manufacturing processes with induced strain path changes
Autorzy:
Muszka, K.
Madej, Ł.
Graca, P.
Majta, J.
Powiązania:
https://bibliotekanauki.pl/articles/100123.pdf
Data publikacji:
2013
Wydawca:
Wrocławska Rada Federacji Stowarzyszeń Naukowo-Technicznych
Tematy:
strain path
accumulative angular drawing
FE modelling
Opis:
A review of various bulk metal forming processes that take into account influence of strain path changes on material flow is presented in this paper. Particular attention is put on computer aided design of innovative angular accumulative drawing (AAD) operation. Research in the area of development of metal forming processes taken advantage of strain path phenomena is conducted in many scientific laboratories as the strain patch change effect influences many crucial properties of the deformed material. As a result it provides a possibility of forming materials, which are e.g. difficult to form in a conventional manner. Advantages and limitations of the AAD process are summarized and presented in this work. Difficulties in development of the complex rheological model that takes in to account strain path changes in the deformed material are also presented and discussed.
Źródło:
Journal of Machine Engineering; 2013, 13, 2; 59-68
1895-7595
2391-8071
Pojawia się w:
Journal of Machine Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Present state and future application of smart technologies in manufacturing processes
Autorzy:
Chmielarz, Grzegorz
Powiązania:
https://bibliotekanauki.pl/articles/112086.pdf
Data publikacji:
2019
Wydawca:
Stowarzyszenie Menedżerów Jakości i Produkcji
Tematy:
Artificial Intelligence
intelligent automation
Cyber-Physical Systems
Internet of Things
Robotic Process Automation
inteligentne technologie
sztuczna inteligencja
Internet przedmiotów
automatyzacja
Opis:
The paper concentrates on the issues of applying smart technologies in the manufacturing processes. The author includes in it brief descriptions of the smart technologies that contributed to the emergence of Industry 4.0 concept. Additionally, based on reports and surveys conducted on a global scale re-garding the application of intelligent technologies, the author analyses the current state of implementing these technologies in manufacturing processes and provides forecasts regarding the adoption of the solutions based on Artificial Intelligence in global enterprises in the near future.
Źródło:
Production Engineering Archives; 2019, 24; 14-19
2353-5156
2353-7779
Pojawia się w:
Production Engineering Archives
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Quality management in manufacturing processes for serial production organization – case study
Autorzy:
Mazur, Magdalena
Powiązania:
https://bibliotekanauki.pl/articles/34670813.pdf
Data publikacji:
2021
Wydawca:
Stowarzyszenie Menedżerów Jakości i Produkcji
Tematy:
quality control
risk analysis
FMEA method
SPC
kontrola jakości
ocena ryzyka
metoda FMEA
Opis:
The basis for the control work for the quality in manufacturing process is the supervision of the effects of this process and the verification of the correctness of the employees' activities. The continuity of the control activities carried out indicates the need to supervise all production elements of the offered products. The article presents unit guidelines of quality analyzes for the production and assembly of car brake calipers. The presented analyzes constitute the basis of a complete supervision system and are an element repeated in each subsequent production batch. The quantitative analysis of production non-conformities was supplemented with the determination of the causes and effects for these errors, and the analysis of statistical indicators of qualitative ability. The results for one production batch were presented along with the adopted procedure, which are a component of the system of supervision over the results of control processes included in the production process.
Źródło:
Quality Production Improvement - QPI; 2021, 3, 1; 377-385
2657-8603
Pojawia się w:
Quality Production Improvement - QPI
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Pneumatyczne układy sterowania w procesach wytwórczych
Pneumatic control system in manufacturing processes
Autorzy:
Żyłka, Wojciech Marek
Żyłka, Marta
Powiązania:
https://bibliotekanauki.pl/articles/404403.pdf
Data publikacji:
2019
Wydawca:
Wydawnictwo AWART
Tematy:
pneumatic control system
pneumatic control element
automatic device
robot
manipulator
przedsiębiorstwo produkcyjne
automat
układy sterowania
Opis:
Przedsiębiorstwa produkcyjne dążą do zautomatyzowania procesów produkcyjnych. Następuje to w wyniku zastosowania automatów, robotów oraz manipulatorów. Podstawową przesłanką do wprowadzania tego typu rozwiązań jest ciągły wzrost kosztów pracy ludzkiej. Wszelkiego rodzaju automaty przemysłowe, zastępują pracę fizyczną człowieka, skracają także czas produkcji wyrobów. W przemyśle, częstym rozwiązaniem jest stosowanie automatów oraz manipulatorów pneumatycznych, ze względu na niewielki koszt ich eksploatacji, powszechną dostępność: źródła energii, którym jest sprężone powietrze. W artykule przedstawiono elementy pneumatyczne układów sterowania: pneumatyczne elementy wykonawcze, elementy sterujące przepływem i ciśnieniem powietrza. Zaprezentowano zastosowanie pneumatycznych układów sterowania w przemyśle.
Production companies strive to automate of production processes. This is due to the use of automatic devices, robots and manipulators. The basic premise for implementing such solution is continuous increase of human labour costs. All kinds of industrial automatic machines replace physical human work and cut down the production time. In industry, a common solution is the use of pneumatic automatic machines and manipulators, due to their low cost of operation and widespread availability of the source of energy which is compressed air. In this paper pneumatic elements of control systems, pneumatic actuators, elements controlling the flow and pressure of air were presented. The exemplary of application of pneumatic control system in industry were presented too.
Źródło:
Obróbka Metalu; 2019, 1; 44-48
2081-7002
Pojawia się w:
Obróbka Metalu
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
An integrated approach to development and simulation manufacturing processes of optical products
Autorzy:
Yablochnikov, E. I.
Vasilkov, S. D.
Andreev, Y. S.
Pirogov, A. V.
Tretyakov, S. D.
Powiązania:
https://bibliotekanauki.pl/articles/406888.pdf
Data publikacji:
2015
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
optical products
polymer lens
simulation
CAD/CAM/CAE
technological process
injection molding
additive technologies
cyber-physical systems
Opis:
The engineering management process and automation method for making pilot set of optical polymer parts used in LED systems are considered. Optical system and lens geometry development are realized in Zemax. 3D model and molding tools with further generating of NC coded data are developed in Cimatron E. Pre simulation of injection molding process is realized in Moldex3D and thermo-mechanical analysis is provided by OOFELIE. 3D printer Objet is used for parts prototyping on different stages of the process. Data and process management are realized with a help of PDM system SmarTeam.
Źródło:
Management and Production Engineering Review; 2015, 6, 4; 94-103
2080-8208
2082-1344
Pojawia się w:
Management and Production Engineering Review
Dostawca treści:
Biblioteka Nauki
Artykuł
Wyświetlanie 1-15 z 126

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