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  • A comparative study of fatigue behavior between S-shaped and involute POM gears
    Wu, Ruo ...
    Applications of polymer gears have been gradually expanding from motion transmission to power transmission fields. Design of new gear teeth profiles plays a crucial role in meeting the requirement of ... replacing metallic gears with polymer ones. This work develops a computational framework consisting of tooth profile generation and fatigue life prediction of S-shaped and involute POM gears. The contact and bending fatigue performances of S-shaped and involute POM gears under oil lubrication are comparatively studied. It is found that the S-shaped profile reduces the tooth root stress by 25% and significantly improves the bending fatigue life by 10 times compared with the involute profile, especially under medium or high loading levels. Furthermore, the S-shaped gear with a single circular-filleted root curve benefits a 20% reduction of tooth root stress and a 30% increase in bending fatigue life compared to a double circular-filleted root curve S-shaped gear.
    Source: Journal of computational design and engineering. - ISSN 2288-4300 (Vol. 9, iss. 6, Nov. 2022, str. 2483–2494)
    Type of material - article, component part
    Publish date - 2022
    Language - english
    COBISS.SI-ID - 136264963

    Link(s):

    https://academic.oup.com/jcde/article/9/6/2483/6827003
    Repository of the University of Ljubljana – RUL
    DOI

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