Contact Characteristic Analysis of Thrust Needle Bearing

Liu Peng; Zhang Wenhu; Zhao Gang; Li Tiefeng; Cui Wenbin; Yang Chao

doi:10.16578/j.issn.1004.2539.2017.08.001

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Contact Characteristic Analysis of Thrust Needle Bearing

更新时间：2022-10-20

- Contact Characteristic Analysis of Thrust Needle Bearing
- Vol. 41, Issue 8, Pages: 1-6(2017)
- 作者机构：
  
  1. 洛阳矿山机械工程设计研究院有限责任公司
  2. 矿山重型装备国家重点实验室
  3. 西北工业大学机电学院
- 作者简介：
- 基金信息：
- DOI：10.16578/j.issn.1004.2539.2017.08.001
  CLC：
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[1]刘朋,张文虎,赵刚,李铁峰,崔文斌,杨超.推力滚针轴承接触特性分析[J].机械传动,2017,41(08):1-6.

Liu Peng, Zhang Wenhu, Zhao Gang, et al. Contact Characteristic Analysis of Thrust Needle Bearing. [J]. 41(8):1-6(2017)
[1]刘朋,张文虎,赵刚,李铁峰,崔文斌,杨超.推力滚针轴承接触特性分析[J].机械传动,2017,41(08):1-6. DOI： 10.16578/j.issn.1004.2539.2017.08.001.

Liu Peng, Zhang Wenhu, Zhao Gang, et al. Contact Characteristic Analysis of Thrust Needle Bearing. [J]. 41(8):1-6(2017) DOI： 10.16578/j.issn.1004.2539.2017.08.001.

摘要

基于滚动轴承的动力学理论,采用"改进切片法"求解滚针—滚道间的接触问题,建立了推力滚针轴承的动力学微分方程,采用预估-校正的GSTIFF（Gear Stiff）变步长积分算法对其动力学微分方程进行求解,研究了工况参数和滚针修缘类型对滚针—滚道间接触应力分布以及轴承寿命的影响。研究结果表明,轴承的工况条件、滚针修缘类型对轴承的疲劳寿命均有较大的影响,应根据轴承的工况条件选择最佳的滚针修缘类型。

Abstract

Based on the dynamics of rolling bearing,an improved slice method is used to solve the problem of needle-race contact,and the dynamics differential equations are established and solved by Predicting-Correcting GSTIFF（ Gear Stiff） integer algorithm with variable step. The impact of working parameters and roller crowned shape on the stress distribution of needle-race and bearing life is investigated theoretically,and it shows that,working conditions of bearing and roller crowned shape both have large effect on the fatigue life of bearing. Therefore,the optimum crowned shape of roller should be determined according to the working conditions of bearing.

关键词

推力滚针轴承动力学改进切片法接触特性

Keywords

Thrust needle bearingDynamicsImproved slice methodContact characteristic

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