RESEARCH PAPERS: Power Transmission and Gearing Papers

Factors That Affect the Fatigue Strength of Power Transmission Shafting and Their Impact on Design

[+] Author and Article Information
S. H. Loewenthal

National Aeronautics and Space Administration, Lewis Research Center, Cleveland, Ohio

J. Mech., Trans., and Automation 108(1), 106-114 (Mar 01, 1986) (9 pages) doi:10.1115/1.3260768 History: Received July 10, 1984; Online November 19, 2009


A long-standing objective in the design of power transmission shafting is to eliminate excess shaft material without compromising operational reliability. A shaft design method is presented which accounts for variable amplitude loading histories and their influence on limited life designs. The effects of combined bending and torsional loading are considered, along with a number of application factors known to influence the fatigue strength of shafting materials. Among the factors examined are surface condition, size, stress concentration, residual stress, and corrosion fatigue.

Copyright © 1986 by ASME
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