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research-article

A study on the design and performance of epicycloid bevels of pure-rolling contact

[+] Author and Article Information
Rulong Tan

The State Key Laboratory of Mechanical Transmission, Chongqing University, Chongqing, People's Republic of China; College of Electrical Engineering, Chongqing University, Chongqing, People's Republic of China
rulong.tan@cqu.edu.cn

Bingkui Chen

The State Key Laboratory of Mechanical Transmission, Chongqing University, Chongqing, People's Republic of China
bkchen@cqu.edu.cn

Dongyun Xiang

Changan Automobile (Group) Co. Ltd, Chongqing, People's Republic of China
20092593@cqu.edu.cn

Dong Liang

The State Key Laboratory of Mechanical Transmission, Chongqing University, Chongqing, People's Republic of China
liangdong213@cqu.edu.cn

1Corresponding author.

ASME doi:10.1115/1.4039008 History: Received October 07, 2017; Revised December 08, 2017

Abstract

To avoid the negative influence of sliding contact, this paper tries to investigate the spiral bevels of pure-rolling contact which can be manufactured by existing manufacture technology. In this process, spatial conjugate curve meshing theory and conjugate surface theory are both introduced to investigate the geometric principles and face hobbing process of pure-rolling contact epicycloid bevels (PCEB for short in this paper). the tooth surface models of PCEB by face hobbing process are obtained. Besides, a sample is represented to show an application of this model. Then, finite element analysis(FEA) is applied to investigate the contact mechanical characteristics of these gears. At last, the performance experiment of a prototype is completed to evaluate the deviations between theoretical expectations and practical results. From the FEA and experimental results, it is concluded that, the PCEB can mesh correctly and achieve a higher transmission efficiency.

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