Design of Springs of Rectangular Wire Coiled Edgewise

[+] Author and Article Information
R. Doré

Mechanical Engineering Department, Ecole Polytechnique, Montréal, Québec

S. Deslauriers

United Aircraft of Canada Ltd., Longueuil, Québec

N. T. Hung

J. Eng. Ind 97(1), 147-152 (Feb 01, 1975) (6 pages) doi:10.1115/1.3438527 History: Received December 26, 1973; Online July 15, 2010


A technique is presented for the analysis of deflection and stresses in helical compression or tension springs of rectangular cross-section. The technique consists in analysing a cylinder cut radially. Using theory of elasticity, a stress system is determined which gives as the resultant over any terminal cross-section, a single force parallel to the axis of the cylinder. In addition, the case where a resulting couple exists on the ends of the cylinder is analysed. If the pitch angle of the spring is neglected, the stresses in a helical spring are obtained. The deflection and stresses are evaluated in terms of the dimensions of the spring and compared with the results of other theories.

Copyright © 1975 by ASME
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