Dynamic Load Analysis of Spur Gears Using a New Tooth Profile

[+] Author and Article Information
K. Y. Yoon, S. S. Rao

School of Mechanical Engineering, Purdue University, West Lafayette, IN 47907-1288

J. Mech. Des 118(1), 1-6 (Mar 01, 1996) (6 pages) doi:10.1115/1.2826851 History: Received October 01, 1994; Revised June 01, 1995; Online December 11, 2007


A novel method was presented by the authors to minimize the static transmission error using cubic splines (C.S.) for gear tooth profile. A reduction in the transmission error is expected to reduce the gear vibration and noise by lowering the dynamic tooth load in a meshing cycle. To establish this fact, a dynamic analysis of the gear drive with involute tooth and modified tooth profiles (using C.S.) is performed. For this, first the tooth deformation is found and then the tooth dynamic load is determined for all reasonable speeds. A parametric study is conducted to establish the superiority of the C.S. based gear profile over the involute profile as well as the other profiles based on the use of linear and parabolic tip reliefs.

Copyright © 1996 by The American Society of Mechanical Engineers
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