Analysis on Cage Dynamic Characteristic of Ultra-low Temperature Angular Contact Ball Bearing

Jing Liu; Yanguang Ni; Wenhu Zhang; Sier Deng

doi:10.16578/j.issn.1004.2539.2020.11.018

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Analysis on Cage Dynamic Characteristic of Ultra-low Temperature Angular Contact Ball Bearing

Test·Analysis | 更新时间：2022-11-10

- Analysis on Cage Dynamic Characteristic of Ultra-low Temperature Angular Contact Ball Bearing
- Journal of Mechanical Transmission Vol. 44, Issue 11, Pages: 105-111(2020)
- 作者机构：
  
  1.河南科技大学机电工程学院，河南洛阳 471003
- 作者简介：
- 基金信息：
- DOI：10.16578/j.issn.1004.2539.2020.11.018
  CLC：
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刘靖,倪艳光,张文虎等.超低温角接触球轴承保持架动态特性分析[J].机械传动,2020,44(11):105-111.

Liu Jing,Ni Yanguang,Zhang Wenhu,et al.Analysis on Cage Dynamic Characteristic of Ultra-low Temperature Angular Contact Ball Bearing[J].Journal of Mechanical Transmission,2020,44(11):105-111.
刘靖,倪艳光,张文虎等.超低温角接触球轴承保持架动态特性分析[J].机械传动,2020,44(11):105-111. DOI： 10.16578/j.issn.1004.2539.2020.11.018.

Liu Jing,Ni Yanguang,Zhang Wenhu,et al.Analysis on Cage Dynamic Characteristic of Ultra-low Temperature Angular Contact Ball Bearing[J].Journal of Mechanical Transmission,2020,44(11):105-111. DOI： 10.16578/j.issn.1004.2539.2020.11.018.

摘要

涡轮泵支承轴承由于在超低温环境下工作，其保持架兜孔通常为椭圆形。基于滚动轴承动力学理论，通过建立保持架兜孔形状为椭圆的角接触球轴承动力学方程组，研究了不同工况参数及不同结构参数对保持架打滑率和摩擦功耗的影响。结果表明，保持架打滑率随轴承转速、径向游隙以及兜孔轴向间隙增加而增加；随轴承载荷、引导间隙及保持架兜孔周向间隙增加而减小。摩擦功耗随轴承转速、轴向载荷、引导间隙、兜孔周向间隙以及轴向间隙增加而增加；随径向载荷和径向游隙增加而减小。

Abstract

The bearing used to support turbopump works in ultra-low temperature environments， its cage pockets is elliptical usually. Based on the dynamics theory of the rolling bearings， the dynamics differential equations of angular contact ball bearing are established in which the pocket shape of the cage is elliptical. The influences on cage slip ratio and friction power consumption that caused by different working conditions and different structural parameters are investigated. The research show that， as the bearing speed， radial clearance and pocket axial clearance increase， the cage slip ratio increases， as the bearing load， guide clearance and pocket circumferential clearance decrease， the cage slip ratio decreases. As the bearing speed， axial load clearance increase， guide clearance， pocket circumferential clearance and axial clearance increase， friction power consumption increases， as the radial load and radial clearance increase， friction power consumption decreases.

关键词

超低温保持架动力学打滑率摩擦功耗

Keywords

Ultra-low temperatureCageDynamicsSlip ratioFriction power consumption

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