Modelling and dynamic behaviours of a high-contact-ratio spur-gear system considering rough surface

IF 0.7 Q4 ENGINEERING, MECHANICAL Journal of Vibroengineering Pub Date : 2023-12-30 DOI:10.21595/jve.2023.23330
Zhenbang Cheng, Yu Zhou, Zhengyu Liu
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Abstract

The dynamic characteristics of a high-contact-ratio (HCR) spur-gear system having rough surfaces generated by shot peening (SP) were studied, with specific emphasis on characterisation of the gear-surface topography as well as modelling of the gear backlash and static transmission error. Accordingly, a four-degree-of-freedom dynamic model was established. Simulation experiments were then conducted using surface roughness, rotational velocity, input torque, and shaft-bearing stiffness as the variables. The results show that the dynamic characteristics of the gear system tend toward instability with increasing surface roughness. The models developed in this study outline a method for building indirect relationships between the vibration, dynamics, and tooth-surface microscopic features. This research thus provides a theoretical basis for designing the tooth-surface topography of HCR gears in the future.
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考虑粗糙表面的高接触比正向齿轮系统的建模和动态特性
研究了由喷丸强化(SP)产生粗糙表面的高接触比(HCR)正齿轮系统的动态特性,特别强调了齿轮表面形貌的特征以及齿轮反向间隙和静态传动误差的建模。因此,建立了一个四自由度动态模型。然后以表面粗糙度、旋转速度、输入扭矩和轴轴承刚度为变量进行了模拟实验。结果表明,随着表面粗糙度的增加,齿轮系统的动态特性趋于不稳定。本研究建立的模型勾勒出了一种建立振动、动力学和齿面微观特征之间间接关系的方法。因此,本研究为今后设计 HCR 齿轮的齿面形貌提供了理论依据。
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来源期刊
Journal of Vibroengineering
Journal of Vibroengineering 工程技术-工程:机械
CiteScore
1.70
自引率
0.00%
发文量
97
审稿时长
4.5 months
期刊介绍: Journal of VIBROENGINEERING (JVE) ISSN 1392-8716 is a prestigious peer reviewed International Journal specializing in theoretical and practical aspects of Vibration Engineering. It is indexed in ESCI and other major databases. Published every 1.5 months (8 times yearly), the journal attracts attention from the International Engineering Community.
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