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Approximate Analysis of Stresses in Multiple Disc Clutch Teeth
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Sector:
Event:
Mid-Year Meeting
Language:
English
Abstract
An approximate analysis is given for the individual stress components and combined stresses existing in multiple disc clutch teeth, including those stresses resulting from the existence of spline friction. Two tooth forms, the trapezoid and the parabolic cut-out, are considered, and any actual tooth profile may be idealized to one or the other. Equations are given for the position and values of maximum stress.
The effects of changes in tooth geometry are considered and tabulated.
These analyses can be used for the purposes of rational design or failure analysis.
An industrial empirical disc diameter-thickness relation is examined and shown to actually represent a maximum shear stress criterion, which takes into account the presence of spline friction.
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Citation
Finkin, E., "Approximate Analysis of Stresses in Multiple Disc Clutch Teeth," SAE Technical Paper 680423, 1968, https://doi.org/10.4271/680423.Also In
References
- Finkin Eugene F. “The Consequences of Spline Friction In Multiple Disc Brake and Clutch Packs.” Trans. ASME, Jrl. of Lubrication Technology 90 F January 1968 65 71
- Finkin Eugene F. “The Interfacial Load Distribution and Total Transmitted Torque of Multiple-Disc Brakes and Clutches During Engagement,”
- Huntress Howard B. “Multiple-Disc Clutches and Brakes.” Machine Design 28 5 1956 82 91
- Finkin Eugene F. “Method of Improving the Performance of Multi-Disc Clutches by Reducing Spline Friction.” Engineer's Digest 29 3 March 1968 80 82
- Finkin Eugene F. “Multiple Disc Power Transmission.” U.S. Patent Application No. 656, 719 1967