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.
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(Institut Clément Ader),
Université de Toulouse,
Toulouse F-31077,
e-mail: manuel.paredes@insa-toulouse.fr
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September 2013
Technical Briefs
Analytical and Experimental Study of Conical Telescoping Springs With Nonconstant Pitch
Manuel Paredes
(Institut Clément Ader),
Université de Toulouse,
Toulouse F-31077,
e-mail: manuel.paredes@insa-toulouse.fr
Manuel Paredes
INSA, UPS, Mines Albi, ISAE; ICA
(Institut Clément Ader),
Université de Toulouse,
135, avenue de Rangueil
,Toulouse F-31077,
France
e-mail: manuel.paredes@insa-toulouse.fr
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Manuel Paredes
INSA, UPS, Mines Albi, ISAE; ICA
(Institut Clément Ader),
Université de Toulouse,
135, avenue de Rangueil
,Toulouse F-31077,
France
e-mail: manuel.paredes@insa-toulouse.fr
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.
J. Mech. Des. Sep 2013, 135(9): 094502 (7 pages)
Published Online: July 2, 2013
Article history
Received:
April 27, 2012
Revision Received:
May 2, 2013
Citation
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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