Influence of support compliances on stability and limiting slenderness ratio of compression helical springs
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Cracow University of Technology, Institute of Applied Mechanics, Kraków, Poland
Journal of Theoretical and Applied Mechanics 2014;52(1):81–92
In the paper, the influence of support compliances on the stability and the limiting slenderness ratio of compression helical springs was investigated. To analyze the stability of helical springs, the concept of an equivalent column was applied and a general system of supports described by three independent compliances was utilized. In the general case, the solution obtained, which describes the critical force, depends on two rotational compliances and a lateral compliance of a transverse shift of the support. The influence of the individual compliances on the critical load and on the limiting slenderness ratio was studied. Simple approximation formulas were proposed to describe these relationships.