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    Fretting Dynamic Contact Analysis of Planetary Gear-Bearing Interference Fit Surface Considering Non-Uniform Interference

    Source: Journal of Tribology:;2024:;volume( 147 ):;issue: 007::page 71501-1
    Author:
    Fan, Linfang
    ,
    Xu, Xiangyang
    ,
    Zhao, Zijin
    ,
    Wu, Yi
    ,
    Xiang, Lulu
    ,
    Zhang, Lang
    DOI: 10.1115/1.4067198
    Publisher: The American Society of Mechanical Engineers (ASME)
    Abstract: The planetary gear-bearing interference fit surface is prone to fretting slip under alternating torque, which can lead to fretting wear and fatigue failure. However, the current studies often ignore the influence of non-uniform interference on the stress and strain of the fit surface. In this paper, the force analysis of the planetary gear-bearing interference fit surface is carried out based on thick cylinders theory and planetary gear dynamics, and the fretting slip mechanism is explained in detail. Based on the assumption of plane stress, the equation for interference distribution in the circumferential direction of the fit surface is derived. On this basis, a three-dimensional fretting contact model considering non-uniform interference is established and solved by the conjugate gradient method (CGM). The results show that under the action of alternating torque, the fit surface interference is non-uniformly distributed in the circumferential direction, which shows a trend of increasing first and then decreasing. The fretting slip distance decreases first and then increases in the circumferential direction, but the fretting slip curve considering non-uniform interference shows a slip distance of nil in the range where the interference value exceeds the initial value. The model in this paper is more in line with the actual situation, and can provide more accurate theoretical calculation for the planetary gear-bearing interference fit design.
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      Fretting Dynamic Contact Analysis of Planetary Gear-Bearing Interference Fit Surface Considering Non-Uniform Interference

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    http://yetl.yabesh.ir/yetl1/handle/yetl/4305999
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    contributor authorFan, Linfang
    contributor authorXu, Xiangyang
    contributor authorZhao, Zijin
    contributor authorWu, Yi
    contributor authorXiang, Lulu
    contributor authorZhang, Lang
    date accessioned2025-04-21T10:21:08Z
    date available2025-04-21T10:21:08Z
    date copyright11/28/2024 12:00:00 AM
    date issued2024
    identifier issn0742-4787
    identifier othertrib_147_7_071501.pdf
    identifier urihttp://yetl.yabesh.ir/yetl1/handle/yetl/4305999
    description abstractThe planetary gear-bearing interference fit surface is prone to fretting slip under alternating torque, which can lead to fretting wear and fatigue failure. However, the current studies often ignore the influence of non-uniform interference on the stress and strain of the fit surface. In this paper, the force analysis of the planetary gear-bearing interference fit surface is carried out based on thick cylinders theory and planetary gear dynamics, and the fretting slip mechanism is explained in detail. Based on the assumption of plane stress, the equation for interference distribution in the circumferential direction of the fit surface is derived. On this basis, a three-dimensional fretting contact model considering non-uniform interference is established and solved by the conjugate gradient method (CGM). The results show that under the action of alternating torque, the fit surface interference is non-uniformly distributed in the circumferential direction, which shows a trend of increasing first and then decreasing. The fretting slip distance decreases first and then increases in the circumferential direction, but the fretting slip curve considering non-uniform interference shows a slip distance of nil in the range where the interference value exceeds the initial value. The model in this paper is more in line with the actual situation, and can provide more accurate theoretical calculation for the planetary gear-bearing interference fit design.
    publisherThe American Society of Mechanical Engineers (ASME)
    titleFretting Dynamic Contact Analysis of Planetary Gear-Bearing Interference Fit Surface Considering Non-Uniform Interference
    typeJournal Paper
    journal volume147
    journal issue7
    journal titleJournal of Tribology
    identifier doi10.1115/1.4067198
    journal fristpage71501-1
    journal lastpage71501-9
    page9
    treeJournal of Tribology:;2024:;volume( 147 ):;issue: 007
    contenttypeFulltext
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    DSpace software copyright © 2002-2015  DuraSpace
    نرم افزار کتابخانه دیجیتال "دی اسپیس" فارسی شده توسط یابش برای کتابخانه های ایرانی | تماس با یابش
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