Dynamic characteristics of angular contact ball bearings considering wear effects

被引：0

作者：

Niu R. ^{[1
]}

Luo R. ^{[1
]}

Wang Y. ^{[2
]}

Li H. ^{[2
]}

Deng S. ^{[1
]}

机构：

[1] School of Mechatronics, Henan University of Science and Technology, Luoyang

[2] Luoyang Bearing Research Institute Co., Ltd., Luoyang

来源：

Zhendong yu Chongji/Journal of Vibration and Shock | 2022年 / 41卷 / 18期

关键词：

angular contact ball bearing; dynamic characteristics; high temperature; wear;

D O I：

10.13465/j.cnki.jvs.2022.18.011

中图分类号：

学科分类号：

摘要：

In view of the decline of wear resistance of bearing materials and the decrease of lubricant viscosity in high temperature environment, it is difficult to form complete oil film, so, the bearing is very easy to wear, and the dynamic performance of the bearing degrades gradually. In the paper, the factors such as temperature, clearance, stiffness, contact load and other nonlinear factors were considered to establish the dynamic model of a high temperature angular contact ball bearing under wear condition. Based on the numerical analyses, the evolution of the bearing dynamic performances was studied under different bearing wear degree and the results were verified by tests. The results show that the wear rate of the bearing inner ring is higher than that of the outer ring. In the wear evaluation, it could be paid attention only to the wear of the inner ring. In the working wear process of the bearing, when the bearing wear is slight, its motion stability is improved with the prolongation of the wear time. When the bearing wear is serious, the vibration velocity increases sharply and the stability of motion state deteriorates. The change of vibration state can be used as the judgment basis of bearing accuracy failure. © 2022 Chinese Vibration Engineering Society. All rights reserved.

引用

页码：84 / 93

页数：9

共 17 条

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