RESEARCH PAPERS: Power Transmissions and Gearing Papers

Tooth Load Sharing in High-Contact Ratio Spur Gears

[+] Author and Article Information
A. H. Elkholy

Pratt & Whitney Canada Inc., Mississauga, Ontario, Canada

J. Mech., Trans., and Automation 107(1), 11-16 (Mar 01, 1985) (6 pages) doi:10.1115/1.3258674 History: Received June 25, 1984; Online November 19, 2009


A closed-form solution is presented for calculating the load sharing among meshing teeth in high contact ratio gearing (HCRG). The procedure is based upon the assumption that the sum of the tooth deflection, profile modification and spacing error at each of two or three pairs of contacts are all equal. It is also assumed that the sum of the normal loads contributed by each of two or three pairs of contacts is equal to the maximum normal load. Once the individual loads are determined, the tooth fillet stress, contact stress may be determined from the applied load and tooth geometry. An experimental example appears to verify the method.

Copyright © 1985 by ASME
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