Dynamic Stiffness Analysis and Test Method of High Speed Spindle Angular Contact Ball Bearing

被引:0
|
作者
Yun X. [1 ,2 ,3 ]
Mei X. [1 ,2 ,3 ]
Jiang G. [1 ,2 ,3 ]
Li Y. [4 ]
Yuan S. [3 ]
机构
[1] Shaanxi Key Laboratory of Intelligent Robots, Xi'an Jiaotong University, Xi'an
[2] State Key Laboratory for Manufacturing Systems Engineering, Xi'an Jiaotong University, Xi'an
[3] School of Mechanical Engineering, Xi'an Jiaotong University, Xi'an
[4] Luoyang Bearing Research Institute Co., Ltd., Luoyang
关键词
Angular contact ball bearing; Dynamic stiffness; High speed electric spindle; Test principle;
D O I
10.16450/j.cnki.issn.1004-6801.2019.04.030
中图分类号
学科分类号
摘要
In order to test the dynamic support stiffness of angular contact ball bearings for high-speed electric spindle, a method for measuring the dynamic support stiffness of spindles by means of synchronous excitation is proposed. The dynamic support stiffness test principle is derived by studying the angular relationship between the residual vibration displacement and the excitation response displacement. The dynamic stiffness test is carried out on the electric spindle of the model 150SD40Q7, and the simulation results are compared and analyzed. The test and simulation results have the same trend with a small error. The validity of the test method is verified, which provides a reliable method for testing the dynamic stiffness of the spindle. © 2019, Editorial Department of JVMD. All right reserved.
引用
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页码:892 / 897
页数:5
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