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Effect of Spatial Angular Misalignment on Dynamic Characteristics of an Idler Gear System
编号：117 访问权限：仅限参会人 更新：2026-10-10 09:14:59 浏览：22次 口头报告

报告开始：暂无开始时间（Asia/Shanghai）

报告时间：暂无持续时间

所在会场：[暂无会议] [暂无会议段]

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摘要
Spatial angular misalignment alters tooth contact and load distribution in gear systems. This study develops a slicing-based time-varying mesh stiffness model incorporating local geometry and misalignment-induced clearances and integrates it into a multi-degree-of-freedom dynamic model of an idler gear system. Five combinations of angular misalignment about two orthogonal axes are investigated to evaluate their effects on mesh stiffness, dynamic meshing force, idler gear acceleration, and overturning moments. The results show that increasing misalignment reduces the cycle-averaged mesh stiffness and increases the root-mean-square (rms) acceleration, while the mean meshing force remains nearly unchanged. The peak meshing force increases across Cases I–V, whereas the rms of the force fluctuations decreases slightly from Case I to Case II before increasing in Cases III–V. The mesh-frequency amplitude increases while the second-harmonic amplitude decreases. The second harmonic is slightly larger in Case I, whereas the mesh-frequency component is larger in Cases II–V. Both the mean magnitudes of the overturning moments and the rms of their fluctuations increase markedly, exhibiting greater relative changes than the evaluated force and acceleration measures. Under the investigated conditions, equal increases in angular misalignment about the x-axis produce larger response changes than those about the y-axis.
关键词
spatial angular misalignment,time-varying mesh stiffness,dynamic model,dynamic characteristics
报告人
Gaofan Han
Master Anhui University

稿件作者
Gaofan Han Anhui University
Xianzeng Liu Anhui University
Yongbin Liu Anhui University
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重要日期

  • 会议日期

    11月06日

    2026

    至

    11月08日

    2026

  • 10月15日 2026

    初稿截稿日期

主办单位
IEEE Instrumentation and Measurement Society
承办单位
Sichuan University
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