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�������պ����ѧѧ�� 2001, Vol. 27 Issue (5) :596-599    DOI:
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On the Free Vibration of High-Speed Ball Bearing Retainer
ZHOU Yan-ze, WANG Chun-jie, LU Zhen*
Beijing University of Aeronautics and Astronautics, School of Mechanical Engineering and Automation

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Abstract�� As a basic component of mainshaft ball bearing in aero-engine, retainer vibration plays an important role in the strength and stability of the retainer and the bearing performance. With finite element method, the free vibration performance of the retainer is examined. The results show that: 1)Apart from rigid-body motion, there is no natural frequency less than 751.12?Hz for the examined retainer. 2)With the retainer vibrating like a ring as a whole, it has some local vibration modes of side and across beams. 3)The rotation of the retainer makes its natural frequency, front-and back-moving vibration frequencies unequal with each other, which makes its resonance being excited easier.
Keywords�� antifriction bearings   retainers   free vibration     
Received 2000-03-02;
About author: ������(1964-),��,�ӱ�������,��ְ��ʿ��,100083,����.
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ZHOU Yan-ze, WANG Chun-jie, LU Zhen.On the Free Vibration of High-Speed Ball Bearing Retainer[J]  JOURNAL OF BEIJING UNIVERSITY OF AERONAUTICS AND A, 2001,V27(5): 596-599
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http://bhxb.buaa.edu.cn//CN/     ��     http://bhxb.buaa.edu.cn//CN/Y2001/V27/I5/596
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