保持架兜孔形状对高速角接触球轴承保持架动态性能的影响分析

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Abstract The dynamic numerical simulation models of angular contact ball bearings with square, round and spherical pocket cages are established, respectively. The accuracy of the model is verified by the experimental results. The cage dynamics with three different pocket shapes under different clearance ratios is analyzed. It is found that the movement stability of spherical pocket cages is significantly better than that of square and cylindrical pocket cages, and when the clearance ratio is less than 1, the movement stability of the cylindrical pocket cage is better than that of the square cage, on the contrary, the square cage is more stable. The movement range of the spherical pocket cage is determined by the pocket clearance, and the square and cylindrical pocket cages are determined by the guide clearance. With the increase of the clearance ratio, the axial swing range of the cage gradually increases. The axial swing range of the square, cylindrical and spherical pocket cages decreases successively. The wear rate of the cage is negatively correlate with its motion stability, and the wear rate of the spherical pocket cage is higher than the other two cages.

Key words： angular contact ball bearing cage pocket shape dynamics stability wear

Received: 29 June 2023 Published: 15 April 2024

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	CHEN Shijin
	ZOU Dongliang
	WANG Yakun
	CAI Dongming

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CHEN Shijin,ZOU Dongliang,WANG Yakun, et al. Effects of cage pocket shape on dynamic performance of high-speed angular contact ball bearing cage[J]. JOURNAL OF VIBRATION AND SHOCK, 2024, 43(7): 102-114.

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http://jvs.sjtu.edu.cn/EN/ OR http://jvs.sjtu.edu.cn/EN/Y2024/V43/I7/102

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