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Geometrical Accuracy of Threaded Elements Manufacture by 3D Printing Process

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

Advances in Science and Technology. Research Journal

2023

Vol. 17, no 1

35--45

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.

Strength of threaded connections additively produced from polymeric materials

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

Polimery

2022

Vol. 67, nr 6

261--270

The article presents the results of strength tests of screw-nut threaded connections made of polymeric materials such as: ABS, PLA, PET-G and acrylic resin. In order to make physical models, three 3D printing techniques were used: Fused Deposition Modeling (FDM), Fused Filament Fabrication (FFF), and PolyJet. The tests took into account the stresses caused by the axial force generated when the bolt is screwed into the nut or other structural element. Due to the complexity of the issue, the presented studies are only a starting point for further research.

W artykule przedstawiono wyniki badań wytrzymałości połączeń gwintowych śruba-nakrętka wykonanych z materiałów polimerowych takich, jak: ABS, PLA, PET-G i żywicy akrylowej. Do wykonania modeli fizycznych stosowano trzy techniki druku 3D: FDM, FFF i PolyJet. W badaniach uwzględniono naprężenia spowodowane działaniem siły osiowej powstającej podczas wkręcania śruby w nakrętkę lub inny element konstrukcyjny. Ze względu na złożoność zagadnienia, przedstawione badania stanowią punkt wyjścia do dalszych badań.