Analysis of Elastohydrodynamic Lubrication for Steel-polymer Spur Gear Pairs

Zhou Jia'ao; Liu Xiaoling; Li Qun; Zhang Zheng

doi:10.16578/j.issn.1004.2539.2024.07.014

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Analysis of Elastohydrodynamic Lubrication for Steel-polymer Spur Gear Pairs

Test·Analysis | 更新时间：2024-07-22

- Analysis of Elastohydrodynamic Lubrication for Steel-polymer Spur Gear Pairs
- Journal of Mechanical Transmission Vol. 48, Issue 7, Pages: 114-120(2024)
- 作者机构：
  
  青岛理工大学机械与汽车工程学院，山东青岛 266520
- 作者简介：
- 基金信息：
- DOI：10.16578/j.issn.1004.2539.2024.07.014
  CLC：
- Published：15 July 2024，
  
  Received：28 April 2023，
  
  Revised：24 May 2023，
- 稿件说明：
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周家傲,刘晓玲,李群等.钢-聚合物直齿轮副的弹流润滑分析[J].机械传动,2024,48(07):114-120.

Zhou Jia'ao,Liu Xiaoling,Li Qun,et al.Analysis of Elastohydrodynamic Lubrication for Steel-polymer Spur Gear Pairs[J].Journal of Mechanical Transmission,2024,48(07):114-120.
周家傲,刘晓玲,李群等.钢-聚合物直齿轮副的弹流润滑分析[J].机械传动,2024,48(07):114-120. DOI： 10.16578/j.issn.1004.2539.2024.07.014.

Zhou Jia'ao,Liu Xiaoling,Li Qun,et al.Analysis of Elastohydrodynamic Lubrication for Steel-polymer Spur Gear Pairs[J].Journal of Mechanical Transmission,2024,48(07):114-120. DOI： 10.16578/j.issn.1004.2539.2024.07.014.

摘要

聚合物齿轮具有自润滑性好、生产成本低等优点。受载荷、润滑等影响，聚合物齿轮在传动中易发生点蚀失效。与聚合物-聚合物齿轮副相比，金属-聚合物齿轮副有较长使用寿命。为了探究在润滑条件下金属-聚合物齿轮副弹流润滑性能，在不同工况条件下对钢-聚合物齿轮副进行了弹流润滑分析，通过膜厚比和油膜安全系数判断齿轮副润滑状态以及是否存在微点蚀失效。结果表明，钢-聚甲醛（POM）齿轮副在油润滑下能够形成稳定润滑油膜；压力角、转速、载荷和黏度都会影响齿轮的润滑状态。因此，为避免发生点蚀失效，需要考虑压力角、转速、载荷和润滑油黏度的影响。

Abstract

Polymer gears have the advantages of good self-lubrication and low production cost. Polymer gears are susceptible to pitting failure in transmission due to load

lubrication

etc. Metal-polymer gears' pairs have a longer service life than polymer-polymer gear pairs. To investigate the performance of elastohydrodynamic lubrication for metal-polymer gear pairs under lubrication condition

analysis of elastohydrodynamic lubrication is carried out for steel-polymer gear pairs under different working conditions

and the lubrication status and micro-pitting failure are determined by film thickness ratios and oil film safety factors. The results show that steel-polyoxymethylene (POM) gears' pairs can form stable lubricant film under oil lubrication

and the pressure angle

the rotational speed

the load and the viscosity can affect the lubrication state of gears. Therefore

the effects of pressure angle

rotational speed

load and lubricant viscosity need to be considered to avoid pitting failure.

关键词

弹流润滑聚合物齿轮微点蚀

Keywords

Elastohydrodynamic lubricationPolymer gearMicro-pitting

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