Volume 7 Number 6 (Jun. 2012)
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JCP 2012 Vol.7(6): 1429-1436 ISSN: 1796-203X
doi: 10.4304/jcp.7.6.1429-1436

Dynamic Simulation of Harmonic Gear Drives Considering Tooth Profiles Parameters Optimization

Huimin Dong, Zhengdu Zhu, Weidong Zhou, Zhi Chen
School of mechanical engineering, Dalian University of Technology, Dalian 116024, PR China
Abstract—Considering the fact that load distribution of the flexspline under alternating dynamic loads is complicated, and it’s difficult to measure the stress of the flexspline by experiment, a dynamic simulation model of harmonic gear drives is established to study the intensity of the flexspline in the operating process of harmonic gear drives based on finite element method. In order to decrease the force on flexspline, by means of conjugate method, the parameters of flexspline and circular spline’s tooth profiles are optimized. A D-100 harmonic drive is simulated based on the contact theory and the explicit algorithm of the finite element method. The parameterized finite element grid of the whole harmonic gear drive model is realized by Matlab, and then the assembly process of the wave generator is simulated by ABAQUS. Meanwhile, the distribution of the flexspline stress and the load characteristics of the flexspline tooth during dynamic transmission process of a harmonic gear with parameters, before and after optimization, are analyzed. The meshing characteristics of the tooth pairs with optimized parameters are improved significantly. The fatigue fracture position on the flexspline is forecasted according to the simulation results.

Index Terms—Dynamic simulation; harmonic gear drives; finite element method; fatigue fracture; flexspline..

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Cite: Huimin Dong, Zhengdu Zhu, Weidong Zhou, Zhi Chen, "Dynamic Simulation of Harmonic Gear Drives Considering Tooth Profiles Parameters Optimization," Journal of Computers vol. 7, no. 6, pp. 1429-1436, 2012.

General Information

ISSN: 1796-203X
Abbreviated Title: J.Comput.
Frequency: Monthly
Editor-in-Chief: Prof. Liansheng Tan
Executive Editor: Ms. Nina Lee
Abstracting/ Indexing: DBLP, EBSCO,  ProQuest, INSPEC, ULRICH's Periodicals Directory, WorldCat, CNKI,etc
E-mail: jcp@iap.org
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