20.500.12556/RUL-148990 Ocena korenske trdnosti zoba izvedena na rekonstrukciji modela zobnika iz polimera Evaluation of tooth root stress control on reconstructed gear model made from polymer material Dandanes se velik del razvoja posveča iskanju bolj varčnih rešitev za izdelavo izdelkov. Eden od pogosto uporabljenih načinov je izdelava z uporabo polimernih materialov. Težava je v tem, da imajo polimerni materiali v primerjavi s kovinskimi materiali veliko slabše mehanske lastnosti. Zaradi tega je pri razvoju potrebno veliko pozornosti nameniti temu, ali bodo lastnosti izdelka ustrezale namenu. Cilj zaključne naloge je bil izdelati čim bolj natančno rekonstrukcijo zobnika iz polimernega materiala PA11 z uporabo SLS tehnike 3D tiska. V drugem delu so primerjani rezultati korenske nosilnosti zoba, pridobljeni na tri različne načine. Ti trije načini so bili izračun po priporočilih iz standarda VDI 2736, izvedba simulacije v programu ABAQUS ter izvedba mehanskega preizkusa. Ugotovili smo, da sta mehanski preizkus in simulacija dala podoben rezultat sile in deformacije, medtem ko je preračun po priporočilih dal občutno manjše vrednosti. A lot of development is dedicated to finding new, cheaper and more economical ways to make products. One of the commonly used procedures is to make products from polymer materials. The problem is that polymer materials are weaker when compared to metals. When a product from a polymer material is designed, it needs to be checked, if the part is still strong enough to whitstand the loads. Our objective was to create a reconstruction of gear from polymer material PA11 with use of SLS 3D printer. Next, the results of gear root tooth stress calculacions were compared for three different methods. These methods were calculation of gear root tooth stress with equasions from standard VDI 2736, numerical simulation in ABAQUS and gear testing on stress testing machine. It was found out, that gear testing and simulation gave pretty similar results, but calculation results according to VDI recommendations were a lot smaller. zobniki 3D modeliranje 3D tisk polimeri korenska trdnost metoda končnih elementov gears 3D modeling 3D printing polymer materials tooth root stress finite element method true false false [S. Hysz] Slovenski jezik Angleški jezik Zaključna naloga 2023-09-02 08:32:34 2023-09-02 08:32:36 2023-10-18 11:23:02 0000-00-00 00:00:00 2023 0 Ljubljana 0 XI, 34 str. 0000-00-00 NiDoloceno NiDoloceno NiDoloceno 0000-00-00 0000-00-00 0000-00-00 621.83:678:539.4:004.925.84(043.2) 255646 163755011 29583.pdf 29583.pdf 1 0EB7FEB3E62FBC8E33FE902111823EE3 573f116c0797d6daf18c40fbd211ddd47256e81db3799f7b49566e273ecd17fa 80400c88-495a-11ee-af86-0050569b8976 https://repozitorij.uni-lj.si/Dokument.php?lang=slv&id=173368 Fakulteta za strojništvo 0 0 0