RESEARCH PAPERS: Other Technical Papers

Spiral Power Springs. Part 2—Design

[+] Author and Article Information
C. A. Queener, G. E. Wood

IBM Corp., Lexington, Ky.

J. Eng. Ind 93(2), 676-682 (May 01, 1971) (7 pages) doi:10.1115/1.3427980 History: Received July 15, 1970; Online July 15, 2010


The theoretical model developed in a preceding companion paper for predicting the torque-turn behavior of a spiral power spring is extended in an effort to improve the practical applicability. A theoretical equation based on springback theory is developed for computing the shape factor in the logarithmic spiral and an empirical equation for calculating the magnitude of frictional hysteresis is obtained. The extended model is tested with two springs and the experimental and calculated results are in good accord. The computation procedure involved in practical application of the extended model for spring design is discussed.

Copyright © 1971 by ASME
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