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轴承在工作时预紧力变化,将对整个轴系的工作性能产生影响.本文着重讨论“背靠背”安装的角接触球轴承因环境温度变化而使预紧力变化的机理,以及预紧力变化量的计算方法;介绍了采用测力轴承进行预紧力在线测量的工作原理.附图幅参考文献3篇.
The change of pre-tightening force will affect the working performance of the entire shaft system.This paper focuses on the mechanism of the pre-tightening force changing due to the change of ambient temperature in “back-to-back” angular contact ball bearings, The method of calculating the amount of load is introduced. The working principle of on-line measurement of pre-tightening force by using force-measuring bearing is introduced.