On the Influence of Friction in the Calculation of Conical Disk Springs-Reference-Cited by-同舟云学术

On the Influence of Friction in the Calculation of Conical Disk Springs

Published:1999-12-01 Issue:4 Volume:121 Page:622-627
ISSN:1050-0472
Container-title:Journal of Mechanical Design
language:en
Short-container-title:

Author:

Curti G.¹,Montanini R.¹

Affiliation:

1. Mechanical Engineering Department, Politecnico di Torino, C.so Duca degli Abruzzi, 10129 Torino, ITALY

Abstract

An analytical solution is proposed by the authors in order to take into account the effects of friction in the calculation of conical disk springs. The new formulation allows a more accurate estimate of the load corresponding to a given displacement, but it implies the knowledge of the friction coefficient f between the spring and the supporting surfaces. The reported numerical examples show that, disregarding friction effects, the maximum error committed in the evaluation of the load is in the range 2–5%, with f = 0.14 (average friction coefficient value determined experimentally on commercial conical disk springs with different geometry). Comparison with both experimental and finite element calculations show a very good agreement of the analytical prediction.

Publisher

ASME International

Subject

Computer Graphics and Computer-Aided Design,Computer Science Applications,Mechanical Engineering,Mechanics of Materials

Link

http://asmedigitalcollection.asme.org/mechanicaldesign/article-pdf/121/4/622/5921357/622_1.pdf

Reference18 articles.

1. Almen J. O. , LaszloA., 1935, “The Uniform-Section Disk Spring,” Transactions of the ASME, Vol. 58, pp. 305–313.

2. Bagavathiperumal P. , ChandrasekaranK., ManivasagamS., 1991, “Elastic Load-displacement Predictions for Coned Disc Springs Subjected to Axial Loading Using the Finite Element Method,” Journal of Strain Analysis, Vol. 26, pp. 147–152.

3. Barbato, G., Curti, G., Montanini, R., 1998 “Experimental Evaluation of the Friction Coefficient in Conical Disk Springs,” (to be published).

4. Boivin M. , BahuaudJ., 1974, “Calcul des ressorts diaphragmes,” MECANIQUE, Vol. 298, pp. 24–31.

5. Curti, G., Montanini, R., 1996, “Theoretical, Numerical and Experimental Analysis of Conical Disk Springs,” Proceedings XXV AIAS National Conference—International Conference on Material Engineering, Gallipoli, Italy, Vol. I, pp. 573–581.

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