Most research papers that exploit conical springs focus only on conical springs with a constant pitch. In order to increase the range of possibilities for designers, this paper proposes a study of conical springs with other types of spirals projected on the conical shape. This study is related to three other types of conical springs: with a constant helix angle, with a constant stress at solid and with a fully linear load-length relation. For each spring, we give the equation of the spiral, the formula of the initial stiffness, and formulae to calculate the nonlinear part of the load-length relation for fully telescoping springs. We also report an experimental study performed to analyze the accuracy of the proposed study based on springs made by fused deposition modeling.
Analytical and Experimental Study of Conical Telescoping Springs With Nonconstant Pitch
Contributed by the Design Automation Committee of ASME for publication in the Journal of Mechanical Design. Manuscript received April 27, 2012; final manuscript received May 2, 2013; published online July 2, 2013. Assoc. Editor: Matthew B. Parkinson.
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Paredes, M. (July 2, 2013). "Analytical and Experimental Study of Conical Telescoping Springs With Nonconstant Pitch." ASME. J. Mech. Des. September 2013; 135(9): 094502. https://doi.org/10.1115/1.4024721
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