Rolling Bearing Condition Monitoring Technique Based on Cage Rotation Analysis and Acoustic Emission
作者机构：Vibrations LaboratoryVibrations DivisionNational Atomic Energy CommissionSan Carlos de BarilocheArgentina Balseiro InstituteCuyo National UniversitySan Carlos de BarilocheArgentina
出 版 物：《Journal of Dynamics, Monitoring and Diagnostics》 (动力学、监测与诊断学报（英文）)
年 卷 期：2022年第1卷第2期
页 面：57-65页
学科分类：08[工学] 080203[工学-机械设计及理论] 0802[工学-机械工程] 080201[工学-机械制造及其自动化]
主 题：acoustic emission cage instantaneous angular speed condition monitoring cyclostationary analysis rolling element bearing
摘 要：In this paper,we present an alternative technique for detecting changes in the operating conditions of rolling element bearings(REBs)that can lead to premature *** developed technique is based on measuring the kinematics of the bearing *** rotational motion of the cage is driven by traction forces generated in the contacts of the rolling elements with the *** is known that the cage angular frequency relative to shaft angular frequency depends on the bearing load,the bearing speed,and the lubrication condition since these factors determine the lubricant film thickness and the associated traction *** a large percentage of REB failures are due to misalignment or lubrication problems,any evidence of these conditions should be interpreted as an incipient *** this paper,a novel method for the measurement of the instantaneous angular speed(IAS)of the cage is *** method is evaluated in a deep groove ball bearing test rig equipped with a cage IAS sensor,as well as a custom acoustic emission(AE)transducer and a piezoelectric *** IAS of the cage is analyzed under different bearing loads and shaft speeds,showing the dependence of the cage angular speed with the calculated lubricant film *** bearing faulty operating conditions(mixed lubrication regime,lubricant depletion,and misalignment)are *** is shown that the cage IAS is dependent on the lubrication regime and is sensitive to *** AE signal is also used to evaluate the lubrication *** results suggest that the proposed technique can be used as a condition monitoring tool in industrial environments to detect abnormal REB conditions that may lead to premature failure.
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