Experimental Analysis for Dynamic Stiffness of Angular Contact Ball Bearings

doi:10.7652/xjtuxb201307013

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Experimental Analysis for Dynamic Stiffness of Angular Contact Ball Bearings

更新时间：2025-07-09

- Experimental Analysis for Dynamic Stiffness of Angular Contact Ball Bearings
- Vol. 47, Issue 7, Pages: 68-72+123(2013)
- 作者机构：
  
  西安交通大学机械工程学院,西安,710049
- 作者简介：
- 基金信息：
- DOI：10.7652/xjtuxb201307013
  CLC： TH133.2
- Online First：10 July 2013，
  
  Published：2013
- 稿件说明：
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Experimental Analysis for Dynamic Stiffness of Angular Contact Ball Bearings[J]. 2013, 47(7): 68-72+123.
DOI：

Experimental Analysis for Dynamic Stiffness of Angular Contact Ball Bearings[J]. 2013, 47(7): 68-72+123. DOI： 10.7652/xjtuxb201307013.

摘要

为了得到角接触球轴承动刚度

提出了角接触球轴承动刚度的测试方法。采用调节预紧力、转速的方式分析了不同工况对角接触球轴承动刚度的影响

并且运用Romax软件对不同预紧力、转速下的角接触球轴承-主轴系统进行了仿真实验

实验和仿真结果一致

在预紧力不超过500 N时

角接触球轴承动刚度与预紧力正相关。实验结果表明

角接触球轴承动刚度随着预紧力的增大而变大

当预紧力达到一定程度时

动刚度随预紧力的变化较小

在转速为3 000 r/min时

实验所用轴承的最佳预紧力为500 N

轴承动刚度最大。因此

通过对角接触球轴承预紧力的调节

能够使轴承工作在最佳状态

从而改善了角接触球轴承的服役性能。

Abstract

The dynamic stiffness of angular contact ball bearings exerts an important impact to the dynamic characteristics of spindle system. To obtain the dynamic stiffness of angular contact ball bearings under different conditions

the test strategy for dynamic stiffness of the angular contact ball bearings is introduced. A test-bed simulating the actual machine tool spindle is constructed to measure the bearings dynamic stiffness

and the preload and speed are analyzed. The angular contact ball bearings-spindle system is simulated by software Romax under the corresponding experimental conditions

and the simulation result coincides with the experiments well. It is revealed that the dynamic stiffness of angular contact ball bearings becomes larger with the increasing preload at 3 000 r/min

and the optimum preload to the bearings gets to 500 N. Adjusting the preload of the angular contact ball bearings facilitates controlling the working status of bearings

thus improving the service performance.

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Keywords

references

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