Analysis of cage's stability in a cylindrical roller bearing with elastic support

被引：0
|
作者：
Sun X. [1 ,2 ]
Deng S. [2 ,3 ]
Chen G. [1 ]
Zhang W. [1 ]
机构：
[1] School of Mechanical Engineering, Northwestern Polytechnical University, Xi'an
[2] School of Mechatronics Engineering, Henan University of Science and Technology, Luoyang, 471003, Henan
[3] Collaborative Innovation Center of Major Machine Manufacturing in Liaoning, Dalian, 116024, Liaoning
来源：
Hangkong Dongli Xuebao/Journal of Aerospace Power | 2018年 / 33卷 / 02期
关键词：
Bearing dynamics; Cage's stability; Cylindrical roller bearing; Elastic support; Flexible ring;
D O I：
10.13224/j.cnki.jasp.2018.02.028
中图分类号：
学科分类号：
摘要：
Based on the roller bearing dynamics and structural theory, the dynamic model of a cylindrical roller bearing with flexible outer ring and groove elastic support was established. And then, the impact of working condition and structural parameters of elastic support on the stability of bearing cage was investigated theoretically. The findings are as following: (1) Compared with the rigid support, elastic support can effectively improve the cage's stability. When the bearing is on elastic support with less number of groove and thinner of arc beam, the cage motion is more stable characterized by regular phase plot, lower vibration and slip ratio. (2) Cage's stability is sensitive to the load and rotation speed. Under the larger load and low speed of revolution, cage of the bearing with elastic support shows more stability. Otherwise, under the lighter load and higher rotation speed, cage of the bearing with elastic support shows more unstability. © 2018, Editorial Department of Journal of Aerospace Power. All right reserved.
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页码：487 / 496
页数：9
相关论文
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