Stability analysis and a test method for high precision bearing cages
LIU Wenjing1,2，ZHU Mengliang1，ZHANG Linlin1，WANG Jianguo1,2，WANG Shaofeng1
1. School of Mechanical Engineering,Inner Mongolia University of Science and Technology, Baotou 014010, China;
2. Mining Research Institute,Inner Mongolia University of Science and Technology, Baotou 014010, China
Abstract：Bearing is the foundation of rotating machinery and equipment. For complex mechanical systems, high-precision bearing is a very important component. The stability of bearing cage is very important for bearing service performance, so it is of great significance to study the stability of cage. A system method for measuring and evaluating cage stability based on image is developed. The high-speed camera is used to obtain the moving image of the mark on the cage running at high speed. The professional image analysis software is used to obtain the movement track of the mark point, and the cage error is separated in the frequency domain. The cage rotation center track and non-repetitive run-out jumping error are used as the basis for judging cage stability. Finally, six different axial loads are applied to the bearing to verify that the stability of the cage changes with the axial load of the bearing. When the axial force is 60N, the non-repetitive run out-error of the cage is larger. When the axial force increases gradually from 90N to 150N, the non-repetitive run out-error of cage increases continuously. When the axial force increases to 150N, the non-repetitive run-out error of cage decreases instead.
刘文婧1,2，朱孟良1，张林林1，王建国1,2，王少锋1. 高精度轴承保持架稳定性分析及测试方法[J]. 振动与冲击, 2022, 41(12): 102-107.
LIU Wenjing1,2，ZHU Mengliang1，ZHANG Linlin1，WANG Jianguo1,2，WANG Shaofeng1. Stability analysis and a test method for high precision bearing cages. JOURNAL OF VIBRATION AND SHOCK, 2022, 41(12): 102-107.
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