Effects of Rim Thickness on Spur Gear Bending Stress

[+] Author and Article Information
G. D. Bibel

University of North Dakota, Grand Fords, ND

S. K. Reddy, M. Savage

The University of Akron, Akron, OH

R. F. Handschuh

U.S. Army Aviation Systems Command, NASA Lewis Research Center, Cleveland, OH

J. Mech. Des 116(4), 1157-1162 (Dec 01, 1994) (6 pages) doi:10.1115/1.2919500 History: Received June 01, 1992; Online June 02, 2008


Thin rim gears find application in high-power, lightweight aircraft transmissions. Bending stresses in thin rim spur gear tooth fillets and root areas differ from the stresses in solid gears due to rim deformations. Rim thickness is a significant design parameter for these gears. To study this parameter, a finite element analysis was conducted on a segment of a thin rim gear. The rim thickness was varied and the location and magnitude of the maximum bending stresses reported. Design limits are discussed and compared with the results of other researchers.

Copyright © 1994 by The American Society of Mechanical Engineers
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