精密角接触球轴承振动异常诊断分析  

Diagnosis and analysis on abnormal vibration of precision angular contact ball bearing

作　　者：王宏强[1,2,3] 孙东 张德颖[1,2,3] 敖正红 张振强[1,2,3] Wang Hongqiang;Sun Dong;Zhang Deying;Ao Zhenghong;Zhang Zhenqiang(Luoyang Bearing Research Institute Co.,Ltd.,Luoyang 471039,China;Henan Key Laboratory of High Performance Bearing Technology,Luoyang 471039,China;Strategic Alliance for Technology Innovation in Rolling Bearing Industry,Luoyang 471039,China)

机构地区：[1]洛阳轴承研究所有限公司,河南洛阳471039 [2]河南省高性能轴承技术重点实验室,河南洛阳471039 [3]滚动轴承产业技术创新战略联盟,河南洛阳471039

出　　处：《哈尔滨轴承》2019年第4期26-30,42,共6页Journal of Harbin Bearing

摘　　要：以精密角接触球轴承为研究对象,介绍了轴承振动产生机理和目前常用的轴承振动异常诊断分析方法,并以B7006C/P4轴承为例,计算了轴承各零部件特征频率,分析了轴承零部件损伤引起轴承振动异常时轴承FFT频谱特点、倒频谱特性和包络谱图的特征。Taking precision angular contact ball bearing as the research object,this paper introduces the mechanism of bearing vibration and the common diagnosis and analysis methods of bearing vibration abnormality,and taking B7006C/P4 bearing as an example,the characteristic frequencies of various parts of the bearing are calculated,and the spectrum characteristics of the bearing,such as FFT spectrum characteristics,cepstrum characteristics and envelop spectrum characteristics,etc.are analyzed when the abnormal vibration of the bearing is caused by the damage of the bearing parts.

关 键 词：角接触球轴承 振动 特征频率 频谱 

分 类 号：TH133.331[机械工程—机械制造及自动化]