Analysis of Transmission Errors Under Load of Helical Gears With Modified Tooth Surfaces

[+] Author and Article Information
Y. Zhang, Z. Fang

Department of Mechanical Engineering, University of Michigan-Dearborn, Dearborn, MI 48128

J. Mech. Des 119(1), 120-126 (Mar 01, 1997) (7 pages) doi:10.1115/1.2828773 History: Received November 01, 1995; Revised October 01, 1996; Online January 18, 2008


This paper presents a model for the analysis of transmission errors of helical gears under load. The model accommodates the modification of tooth surfaces, gear misalignments and the deformation of tooth surfaces caused by contact load. In this model, the gear contact load is assumed to be nonlinearly distributed along the direction of the relative principal curvature between the two contacting tooth surfaces. As compared with conventional tooth contact analysis (TCA) that assumes gear surfaces as rigid bodies, the model presented in this paper provides more realistic simulation results on the gear transmission errors and other gear meshing characteristics when the tooth surfaces are deformed under load. The proposed model is applied to a pair of helical gears in the numerical example included in the paper.

Copyright © 1997 by The American Society of Mechanical Engineers
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