Research on the Discrete Algorithm of Tooth Surface for a Curve-face Gear

[+] Author and Article Information
Cai Zhiqin

Xiamen University xiamen, 361005 China caizhiqin@xmu.edu.cn

Lin Chao

The State Key Lab. of Mechanical Transmissions Chongqing, 400044 China acai1238@cqu.edu.cn

1Corresponding author.

Contributed by the Power Transmission and Gearing Committee of ASME for publication in the Journal of Mechanical Design. Manuscript received April 23, 2019; final manuscript received July 23, 2019; published online xx xx, xxxx. Assoc. Editor: Hai Xu.

1Corresponding author information: Chao Lin, Processor. The State Key Laboratory of Mechanical Transmission, Chongqing University, Chongqing ,China. Research areas: New type gear drive. Tel.:+02365106043,Fax.: +02365106043, E-mail address: linchao@cqu.edu.cn

ASME doi:10.1115/1.4044434 History: Received April 23, 2019; Accepted July 23, 2019


Curve-face gear pair is a new type of face gear pair with variable transmission ratio. Concerning on the complexity of its tooth surface, based on the coordinate transformation principle and the spatial meshing theory, a discrete algorithm of this tooth surface was proposed. The determination rule of the limiting points on the tooth surface was analyzed by introducing the generating method and tooth surface characteristics of this gear tooth. Through the corresponding limiting angles and the distribution law of the contact line, the gear tooth surface was discretized, and the theoretical data points of the tooth surface was obtained. The variations of gear tooth surface in a meshing cycle and under different parameters were analyzed, respectively. By comparing with the virtual tooth model and the corresponding rolling experiment, the correctness of the tooth surface discrete algorithm of curve-face gear was verified.

Copyright © 2019 by ASME
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