RESEARCH PAPERS: Power Transmission and Gearing Papers

Simple Stress Formulae for a Thin-Rimmed Spur Gear. Part 1: Derivation of Approximation Formulae for Tooth Fillet and Root Stresses

[+] Author and Article Information
Tae Hyong Chong

Hanyang University, Seoul, Korea

A. Kubo

Kyoto University, Kyoto, Japan

J. Mech., Trans., and Automation 107(3), 406-411 (Sep 01, 1985) (6 pages) doi:10.1115/1.3260733 History: Received June 25, 1984; Online November 19, 2009


Using the finite element method, influences of chordal tooth thickness at the critical section of tooth, radius of curvature of fillet, rim thickness, and supporting condition of a thin-rimmed spur gear on the tooth fillet and root stresses are investigated. Summing up a lot of FEM calculated results, a set of approximate formulae is derived for the calculation of tooth fillet and root stresses of a thin-rimmed spur gear. A comparison between the FEM calculated stress values and the values from these approximation formulae has shown good agreement.

Copyright © 1985 by ASME
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