欢迎访问润滑与密封官方网站!

咨询热线:020-32385313 32385312 RSS EMAIL-ALERT
微观表面形貌对角接触球轴承热弹流润滑的影响
作者:
作者单位:

作者简介:

通讯作者:

中图分类号:

基金项目:

国家自然科学基金项目(51175275);青岛科技计划项目(12-1-4-4-(2)-JCH).


Author:
Affiliation:

Fund Project:

  • 摘要
  • |
  • 图/表
  • |
  • 访问统计
  • |
  • 参考文献
  • |
  • 相似文献
  • |
  • 引证文献
  • |
  • 资源附件
  • |
  • 文章评论
    摘要:

    建立角接触球轴承的热弹流润滑数学模型,通过求解考虑热效应的Reynolds方程,对润滑条件下的角接触球轴承在考虑表面粗糙度时的弹流润滑问题进行数值模拟。在缺乏实测数据的情况下,采用了涉及轴承滚道和滚球体面上的余弦粗糙波数学模型,分析考虑热效应的角接触球轴承的表面粗糙度对压力和膜厚的影响。结果表明:考虑x和y方向的粗糙度函数可以更好地模拟轴承滚道及滚球体表面的形貌特征,由此计算出的压力和油膜分布更贴近工程实际;考虑两方向的粗糙度后,压力和油膜分布与单方向粗糙度有所不同,增大粗糙度波长和减少波幅有利于减小压力,增大膜厚,改善润滑。

    Abstract:

    The mathematical model of the thermal elastohydrodynamic lubrication (TEHL) for angular contact ball bearing was establishedThrough solving the Reynolds equation considering thermal effect,a full numerical solution of the lubricated angular ball bearing was acquired by considering thermal effect and surface roughnessIn the absence of measured data,the effect of surface roughness on thermal elastohydrodynamic lubrication of angular contact ball bearing was analyzed by adopting the rough cosine wave mathematic model involving the surface of bearing rollaway and rolling sphereResults show that the roughness function considering x and y direction roughness can better simulate the morphology features of bearing rollaway and rolling sphere,the calculated pressure and film thickness is more closer to the engineering practiceAfter considering the roughness of two directions,the distribution of pressure and film thickness is different from single direction roughnessThe pressure becomes smaller and film thickness becomes thicker,and the lubrication condition is improved when increasing the wavelength and decreasing the amplitude of the roughness.

    参考文献
    相似文献
    引证文献
引用本文

卢宪玖,王优强,律 辉,刘昺丽.微观表面形貌对角接触球轴承热弹流润滑的影响[J].润滑与密封,2014,39(6):49-55.
.[J]. Lubrication Engineering,2014,39(6):49-55.

复制
分享
文章指标
  • 点击次数:
  • 下载次数:
  • HTML阅读次数:
  • 引用次数:
历史
  • 收稿日期:
  • 最后修改日期:
  • 录用日期:
  • 在线发布日期: 2014-11-25
  • 出版日期: