Research on Optimization of Friction Performance of Minicar Wheel Bearing Grease

Wu Jiang; Mo Yimin; Liu Qingchun; Wei Xuejun

doi:10.16578/j.issn.1004.2539.2022.11.017

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Research on Optimization of Friction Performance of Minicar Wheel Bearing Grease

Test·Analysis | 更新时间：2022-12-01

- Research on Optimization of Friction Performance of Minicar Wheel Bearing Grease
- Journal of Mechanical Transmission Vol. 46, Issue 11, Pages: 110-114(2022)
- 作者机构：
  
  1.武汉理工大学机电工程学院，湖北武汉 430070
  2.上汽通用五菱汽车股份有限公司，广西柳州 545007
- 作者简介：
- 基金信息：
- DOI：10.16578/j.issn.1004.2539.2022.11.017
  CLC：
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吴疆,莫易敏,刘青春等.微型汽车轮毂轴承脂摩擦性能优化研究[J].机械传动,2022,46(11):110-114.

Wu Jiang,Mo Yimin,Liu Qingchun,et al.Research on Optimization of Friction Performance of Minicar Wheel Bearing Grease[J].Journal of Mechanical Transmission,2022,46(11):110-114.
吴疆,莫易敏,刘青春等.微型汽车轮毂轴承脂摩擦性能优化研究[J].机械传动,2022,46(11):110-114. DOI： 10.16578/j.issn.1004.2539.2022.11.017.

Wu Jiang,Mo Yimin,Liu Qingchun,et al.Research on Optimization of Friction Performance of Minicar Wheel Bearing Grease[J].Journal of Mechanical Transmission,2022,46(11):110-114. DOI： 10.16578/j.issn.1004.2539.2022.11.017.

摘要

为了探究润滑脂对微型汽车轮毂轴承摩擦性能的影响，以某款微型汽车为研究对象，利用SKF滚动轴承计算理论，建立了轮毂轴承的摩擦力矩分析模型，研究不同润滑脂参数对轮毂轴承摩擦性能的影响规律；结合润滑脂性能试验、轮毂轴承摩擦力矩试验以及整车滑行试验，对轮毂轴承用脂的摩擦性能进行了优化及验证。研究表明，黏度较低、分油性能好的润滑脂对降低轮毂轴承摩擦力矩、提高整车燃油经济性有重要意义；采用复合锂基合成烃润滑脂，能降低轮毂轴承摩擦力矩40%，降低整车滑行阻力7.3%。

Abstract

To explore the effect of grease on the friction performance of minicar wheel bearings, a certain mini car is used as the research object, and the friction torque analysis model of wheel hub bearings is established using SKF rolling bearing calculation theory to study the effect of different grease parameters on the friction performance of wheel hub bearings. The friction performance of the wheel bearing grease is optimized and verified by combining the grease performance test, the wheel bearing friction torque test and the vehicle sliding test. Studies have shown that low viscosity grease with good oil separation performance is of great significance in reducing wheel bearing friction torque and improving vehicle fuel economy. The use of complex lithium-based synthetic hydrocarbon grease can reduce the low wheel bearing friction torque by 40% and the sliding resistance of the vehicle by 7.3%.

关键词

润滑脂轮毂轴承摩擦力矩黏度分油性能

Keywords

GreaseWheel bearingFriction torqueViscosityOil bleeding

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