Study on Tooth Wear of Spur Gears Under the Mixed Elastohydrodynamic Lubrication

Wang Han; Li Huilan; Liu Guofeng; Ren Ziyuan

doi:10.16578/j.issn.1004.2539.2022.12.005

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Study on Tooth Wear of Spur Gears Under the Mixed Elastohydrodynamic Lubrication

Theory·Research | 更新时间：2023-01-06

- Study on Tooth Wear of Spur Gears Under the Mixed Elastohydrodynamic Lubrication
- Journal of Mechanical Transmission Vol. 46, Issue 12, Pages: 31-37(2022)
- 作者机构：
  
  1.重庆交通大学机电与车辆工程学院，重庆 400074
  2.重庆城市职业学院信息与智能制造学院，重庆 402160
  3.重庆安全技术职业学院智能制造与工业安全系，重庆 404121
- 作者简介：
- 基金信息：
- DOI：10.16578/j.issn.1004.2539.2022.12.005
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王晗,李会兰,刘国峰等.混合弹流润滑下直齿轮齿面磨损研究[J].机械传动,2022,46(12):31-37.

Wang Han,Li Huilan,Liu Guofeng,et al.Study on Tooth Wear of Spur Gears Under the Mixed Elastohydrodynamic Lubrication[J].Journal of Mechanical Transmission,2022,46(12):31-37.
王晗,李会兰,刘国峰等.混合弹流润滑下直齿轮齿面磨损研究[J].机械传动,2022,46(12):31-37. DOI： 10.16578/j.issn.1004.2539.2022.12.005.

Wang Han,Li Huilan,Liu Guofeng,et al.Study on Tooth Wear of Spur Gears Under the Mixed Elastohydrodynamic Lubrication[J].Journal of Mechanical Transmission,2022,46(12):31-37. DOI： 10.16578/j.issn.1004.2539.2022.12.005.

摘要

为了研究渐开线直齿轮在混合弹流润滑下的磨损演化过程和磨损规律，考虑齿轮副的润滑条件、热效应和磨损过程中的载荷变化，建立了混合弹流润滑下的直齿轮副磨损模型；计算了齿面磨损深度、齿面接触温度和接触压力，对齿轮副磨损过程中的齿面接触压力和接触温度的变化进行了分析。结果表明，在齿轮副啮入点处的磨损量较大，齿面磨损在一定程度上能够使啮入位置的接触压力和接触温度降低，啮入点附近磨损速率随时间呈降低趋势。分析了齿面粗糙度、输入转矩和转速等参数对直齿轮磨损规律的影响。结果表明，合理设计齿轮参数有利于抵抗齿轮磨损。

Abstract

To study the wear evolution process and wear law of involute spur gears under the mixed elastohydrodynamic lubrication (EHL) and consider the lubrication conditions, thermal effects and load changes in the wear process of gear pairs, a wear model of gear pairs under mixed EHL is established. The tooth surface wear depth, contact temperature and contact pressure are calculated, and the changes of tooth surface contact pressure and contact temperature in the wear process of the gear pairs are analyzed. The results show that the wear amount at the meshing-in point of the gear pairs is large, and the tooth surface wear can reduce the contact pressure and contact temperature at the meshing-in point.The wear rate near the meshing-in point decreases with the gear meshing. Besides, the influence of tooth surface roughness, input torque and rotational speed on the wear law of spur gear is analyzed. The results show that the reasonable design of gear parameters is beneficial to resist gear wear.

关键词

直齿轮齿面磨损混合弹流润滑接触温度数值计算

Keywords

Spur gearTooth surface wearMixed EHLContact temperatureNumerical calculation

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