Application of Finite Element Analysis for Determination of Load Share, Real Contact Ratio, Precision of Motion, and Stress Analysis

[+] Author and Article Information
F. L. Litvin, J.-S. Chen, J. Lu

Department of Mechanical Engineering, The University of Illinois at Chicago

R. F. Handschuh

NASA Lewis Research Center, Cleveland, OH

J. Mech. Des 118(4), 561-567 (Dec 01, 1996) (7 pages) doi:10.1115/1.2826929 History: Received June 01, 1995; Revised August 01, 1996; Online December 11, 2007


A loaded gear drive with point contact between tooth surfaces is considered. The principal curvatures and directions at a current point of tangency, the contact paths on tooth surfaces, and the transmission errors caused by misalignment we consider as known. In this paper the following topics are covered: (1) Determination of the contact force and its distribution over the contact ellipse; (2) Determination of the tooth deflection, the load share, and the real contact ratio; and (3) Stress analysis by application of the finite element method. The discussed approach is illustrated with a numerical example.

Copyright © 1996 by The American Society of Mechanical Engineers
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