Analysis on Thermo-Mechanical Coupling Contact Stress of Cycloid Ball Planetary Drive

Abstract:

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According to the structure and its transmission principle of the cycloid ball planetary drive, a thermo-mechanical coupling analysis model of non-backlash cycloid ball engagement pair is developed in this paper. The force formula is derived by using hyperstatic method. Using finite element analysis, the variation of thermo-mechanical coupling contact stress of engagement pair at maximum force position with working temperature has been obtained. The results show that maximum coupling contact stress is located at the load transfer contact points between the ball and the cycloid grooves, and it increases significantly with the increase of temperature. The results obtained offer important theoretical basses for research on reliability of precision cycloid ball engagement pair and design of non-backlash transmission performance.

Info:

Periodical:

Edited by:

Zeyong Yin, Chengyu Jiang, Datong Qin, Peixin Qiao and Geng Liu

Pages:

184-187

DOI:

10.4028/www.scientific.net/AMM.86.184

Citation:

H. C. Xia et al., "Analysis on Thermo-Mechanical Coupling Contact Stress of Cycloid Ball Planetary Drive", Applied Mechanics and Materials, Vol. 86, pp. 184-187, 2011

Online since:

August 2011

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Price:

$35.00

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