Influence of time-varying friction on the nonlinear dynamic characteristics of helical gear

Wei Zhang; Qiang Song; Wuxuan Lai

doi:10.1117/12.2679737

18 July 2023 Influence of time-varying friction on the nonlinear dynamic characteristics of helical gear

Wei Zhang, Qiang Song, Wuxuan Lai

Proceedings Volume 12722, Third International Conference on Mechanical, Electronics, and Electrical and Automation Control (METMS 2023); 127222B (2023) https://doi.org/10.1117/12.2679737
Event: International Conference on Mechanical, Electronics, and Electrical and Automation Control (METMS 2023), 2023, Hangzhou, China

Abstract

This paper analyses the variation of friction coefficient with the meshing position and then establishes a helical gear bending-torsion-shaft vibration model considering time-varying friction, tooth backlash, and other nonlinear factors. The nonlinear dynamic characteristics of the helical gear meshing process and the influence of variable friction on the meshing process are analysed. The results show that the time-varying friction force obviously aggravates the vibration in the lowspeed stage of the gear meshing process, and the friction force is the largest at the contact point near the tooth root and tooth tip.

Citation Download Citation

Wei Zhang, Qiang Song, and Wuxuan Lai "Influence of time-varying friction on the nonlinear dynamic characteristics of helical gear", Proc. SPIE 12722, Third International Conference on Mechanical, Electronics, and Electrical and Automation Control (METMS 2023), 127222B (18 July 2023); https://doi.org/10.1117/12.2679737

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