轴承组件轴承保持架放尺模型试验研究

Research on bearing cage through expanded-model test

基于相似理论分析了轴承保持架模型的动力相似判据,根据模态分析理论得出主要模态参数的相似比,制作放尺比3∶1的保持架模型,进行了保持架模型动态特性试验,由试验结果得到实物保持架的固有频率.并通过轴承组件动态响应试验进行了验证.

The dynamic similarity criterion of bearing cage was analyzed based on similarity theory. According to the model analysis theory, the similarity ratios of the main modal parameters were obtained to make an expanded model in the ratio of 3 ： 1, and test its dynamic performance. The inherent frequency of the real-size cage has been achieved from the test results,meanwhile the results were verified through dynamic response test on the bearing components.