Torsional strength testing of machine elements manufacture by incremental technology from polymeric materials

Budzik, Grzegorz; Magniszewski, Marek; Przeszłowski, Łukasz; Oleksy, Mariusz; Oliwa, Rafał; Bernaczek, J.

doi:10.14314/polimery.2018.11.13

Cited by 17 publications

(22 citation statements)

References 3 publications

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“…Streszczenie: Niniejsza praca jest kontynuacją publikacji [1], w ramach której przeprowadzono badania wytrzymałości na skręcanie próbek wykonanych z materiałów polimerowych obciążonych momentem skręcającym, które coraz częściej są wytwarzane z zastosowaniem technologii przyrostowych. Wykorzystano zaprojektowane do badań autorskie stanowisko badawcze opisane w publikacji [1]. Przeprowadzono serię badań wstępnych skręcania kształtek połączeń wielowypustowych otrzymanych przy użyciu technik addytywnych.…”

Section: Badania Wytrzymałości Na Skręcanie Połączeń Wielowypustowych Wykonanych Z Materiałów Polimerowychunclassified

“…Compared with keyed connections, splined connections may be more loaded, they also allow the centering of connected elements. In recent years, incremental technologies have been used more and more often to produce not only visual or technological prototypes but wholesome machine elements, including spline elements [1][2][3][4][5][6][7].…”

Section: Badania Wytrzymałości Na Skręcanie Połączeń Wielowypustowych Wykonanych Z Materiałów Polimerowychmentioning

confidence: 99%

“…The torsional strength test was carried out using a proprietary test stand whose operation and diagram were described in publication [1]. The tests were carried out to determine the strength parameters loaded with torsional moment in accordance with the recommendations of PN-EN 20898-7:1997.…”

Section: Test Of Torsional Strength Of the Samples Obtainedmentioning

confidence: 99%

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mentioning

confidence: 99%

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Torsional strength tests of spline connections made of polymer materials (Rapid communication)

Oleksy

Oliwa

Bulanda

et al. 2021

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This work is a continuation of the publication [1], in which the torsional strength tests of samples made of polymer materials, loaded with torsional moment, which more and more often can be made with the use of incremental technologies, were carried out. The designed proprietary test stand, which was described in the publication [1], was used. A series of preliminary studies on the torsion of fittings with spline connections obtained using additive techniques were carried out. It was found, that a additive technologies have a clear impact on the torsional strength of the tested machine components, including the placement of the prototype relative to the 3D printing plane or the method of processing polymer material.

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Section: Badania Wytrzymałości Na Skręcanie Połączeń Wielowypustowych Wykonanych Z Materiałów Polimerowychunclassified

Section: Badania Wytrzymałości Na Skręcanie Połączeń Wielowypustowych Wykonanych Z Materiałów Polimerowychmentioning

confidence: 99%

Section: Test Of Torsional Strength Of the Samples Obtainedmentioning

confidence: 99%

“…

…”

mentioning

confidence: 99%

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Torsional strength tests of spline connections made of polymer materials (Rapid communication)

Oleksy

Oliwa

Bulanda

et al. 2021

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“…Metal alloys are characterized by higher densities, higher melting temperatures and working temperatures, better rigidity and strength properties, as well as better electrical and thermal conductiv-ities. On the other hand, polymer materials better suppress mechanical vibrations [2][3][4]. The use of polymeric materials as substitutes for metal alloys to ensure the eco nomic efficiency of production usually requires a complete change in the concept of product design (Fig.…”

Section: Analiza Właściwości Mechanicznych Kompozytów Polimerowych Prmentioning

confidence: 99%

Analysis of the mechanical properties of polymer composites for the production of machine parts used as substitutes for elements obtained from metals

2020

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The mechanical properties of composites based on polyamide 6 (PA6), polyamide 66 (PA66) and polyphthalamide (PPA) reinforced with fiberglass were tested. Flexural strength, Shore and Rockwell hardness and also notched and without a notch impact strength according to Charpy were determined. The best results of the strength tests were observed for the PA66 composite with 35 wt % fiberglass. The analyzed composite materials can be successfully used in the production of substitutes for machine elements made of metal.

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Study of unidirectional torsion of samples with different internal structures manufactured in the MEX process

Budzik

Dziubek

Przeszłowski

et al. 2023

RPJ

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Purpose Manufacturing of products loaded with torque in an incremental process should take into account the strength in relation to the internal structure of the details. Incremental processes allow for obtaining various internal structures, both in the production process itself and as a result of designing a three-dimensional computer-aided design model with programmable strength. Finite element analysis (FEA) is often used in the modeling process, especially in the area of topological optimization. There is a lack of data for numerical simulation processes, especially for the design of products loaded with torque and manufactured additive manufacturing (AM). The purpose of this study is to present the influence of the internal structure of samples produced in the material extrusion (MEX) technology on the tested parameters in the process of unidirectional torsion and to present the practical application of the obtained results on the example of a spline connection. Design/methodology/approach The work involved a process of unidirectional torsion of samples with different internal structures, produced in the MEX technology. The obtained results allowed for the FEA of the spline connection, which was compared with the test of unidirectional torsion of the connection. Findings The performance of the unidirectional torsion test and the obtained results allowed us to determine the influence of the internal structure and its density on the achieved values of the tested parameters of the analyzed prototype materials. The performed FEA of the spline connection reflects the deformation of the produced connection in the unidirectional torsion test. Originality/value There are no standards for the torsional strength of elements manufactured from polymeric materials using MEX methods, which is why the industry often does not use these methods due to the need to spend time on research, which is associated with high costs. In addition, the industry is vary of unknown solutions and limits their use. Therefore, it is important to determine, among others, the strength parameters of components manufactured using incremental methods, including MEX, so that they can be widely used because of their great potential and thus gain trust among the recipient market. In addition, taking into account the different densities of the applied filling structure of the samples made of six prototype materials commonly available from manufacturers allowed us to determine its effect on the torsional strength. The presented work can be the basis for constructors dealing with the design of elements manufactured in the MEX technology in terms of torsional strength. The obtained results also complement the existing material base in the FEA software and perform the strength analysis before the actual details are made to verify the existing irregularities that affect the strength of the details. The analysis of unidirectional torsion made it possible to supplement the material cards, which often refer to unprocessed material, e.g. in MEX processes.

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Torsional strength testing of machine elements manufacture by incremental technology from polymeric materials

Cited by 17 publications

References 3 publications

Torsional strength tests of spline connections made of polymer materials (Rapid communication)

Torsional strength tests of spline connections made of polymer materials (Rapid communication)

Analysis of the mechanical properties of polymer composites for the production of machine parts used as substitutes for elements obtained from metals

Study of unidirectional torsion of samples with different internal structures manufactured in the MEX process

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