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TECHNICAL PAPERS

Stiffness of Variable Thickness Belleville Springs

[+] Author and Article Information
G. La Rosa, M. Messina, A. Risitano

Istituto di Macchine Università di Catania Viale A. Doria, 6 95125 Catania, Italy

J. Mech. Des 123(2), 294-299 (Feb 01, 1998) (6 pages) doi:10.1115/1.1357162 History: Received February 01, 1998
Copyright © 2001 by ASME
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References

Almen,  J. O., and Laszlo,  A., 1936, “The Uniform Section Disk Spring,” ASME, 58 p. 305.
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Curti, G., and Orlando, M., 1980, “A New Calculation of Coned Annular Disk Spring,” Transation of the ASME Winter Annual Meeting, Il filo metallico-27 1 , pp. 47–52.
Curti, G., Orlando, M., and Podda, G., 1980, “Vereinfachtes Verfahren Zur Berechnung Von Tellerfedeh,” Draht 31 (1980) pp. 789–792- II filo metallico-28, 4 , pp. 174–176.
Curti, G., Orlando, M., and Podda, G., 1981, “Experimentelle Nachprufung cines neuen Berechnungsverfahrens,” Draht 31 1980 1 pp. 26–29- II filo metallico-28, 2 , pp. 68–70.
Curti, G., Orlando, M., and Podda, G., 1982, “Tensioni e deformazioni in molle a tazza scanalate,” Il filo metallico-29, 1 , p. 50.
Curti, G., and Appendino, D., 1982, “Vergleich Von Berechnungsverfahrens Fur Tellerfedern,” Draht 33, pp. 38–40- II filo metallico-30, 2 , p. 74.
Curti, G., Podda, G., and Quenda, R., 1983, “Determinazione della caratteristica di molle a disco conico a fascia stretta,” Il filo metallico-IMU Dicembre, 33.
Hubner, W., 1982, “Deformationen und spannungen bei tellerfedern,” Konstruktion-Springer Verlag, pp. 387–392.
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Brecht,  W. A., and Wahl,  A. M., 1930, “The Radially Tapered Disk Spring,” ASME, 51, Part 1, p. 45.
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Wernitz,  W., 1954, “Die Tellerfeder,” Konstruktion, 6, pp. 361–376.
La Rosa, G., Messina, M., and Risitano, A., 1998, “Tangential and Radial Stresses of Variable Thickness Belleville Spring,” Conference on Shell Structures, Theory and Applications Gdansk-Jurats Poland pp.179–180.
Curti, G., and Montanini, R., 1996, “Theoretical, Numerical and Experimental Analysis of Conical Disk Spring,” XXV AIAS Gallipoli, Lecce September, 1 , p. 573.
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Timoschenko, S., 1936, “Strength of Materials,” 3rd Ed. Vol 11, McMillan. pp. 527–528.

Figures

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Belleville spring of variable thickness
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Cup spring with thickness varying along the generatrix of the cone (τ is the dimensionless parameter that characterizes the type of cross-section)
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Trend of the load-displacement stiffness curves for −1≤τ≤0
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Trend of the load-displacement stiffness curves for 0≤τ≤1
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Comparison between the stiffness curves of two springs; one of constant thickness (τ=0) and one of variable thickness (τ=1)
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Stress on the lower surface
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Stress on the upper surface
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Maximum circumferential stresses
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Loading curve of the spring
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Maximum circumferential stresses
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Stress state on the external surfaces
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Variation of the stresses on varying ϕ

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