Design formulas and working charts are derived for predicting load-deflection characteristics and maximum bending stresses in initially straight buckling column springs, of uniform cross section, considered to be pin jointed at the supports. Load-deflection analysis is based on the study of a slender bar, compressed beyond critical buckling, made by Lagrange. Stresses are calculated using the elementary strength of materials theory. The predicted load-deflection curves for typical spring proportions are compared with the experimental results.
Analysis of Buckling Column Spring With Pivoted Ends and Uniform Rectangular Cross Section
Applied Mechanics Section, Research Center, Associated Spring Corporation, Bristol, Conn.
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Blake, A. (February 1, 1961). "Analysis of Buckling Column Spring With Pivoted Ends and Uniform Rectangular Cross Section." ASME. J. Eng. Ind. February 1961; 83(1): 61–66. https://doi.org/10.1115/1.3664425
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