This paper presents a systematic model for the design and analysis of toroidal traction drive continuously variable transmissions (CVT). The contacts between the input disk, the roller and the output disk of the traction drive are formulated using the classical Hertzian contact theory. The traction force and side slip force occurring in CVT operation are modelled based on the elasto-hydrodynammic theory and are correlated to the traction drive geometric and kinematic parameters. The model allows for the quantitative analysis of traction drive operation under various torque inputs and over the desired ratio range. [S1050-0472(00)01004-7]
A Systematic Model for the Analysis of Contact, Side Slip and Traction of Toroidal Drives
Contributed by the Mechanisms Committee for publication in the JOURNAL OF MECHANICAL DESIGN. Manuscript received Apr. 1999. Associate Technical Editor: G. S. Chirikjian.
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Zhang, Y., Zhang , X., and Tobler, W. (April 1, 1999). "A Systematic Model for the Analysis of Contact, Side Slip and Traction of Toroidal Drives ." ASME. J. Mech. Des. December 2000; 122(4): 523–528. https://doi.org/10.1115/1.1290248
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