A technique for designing torque balancing cam (TBC) systems that are composed of spring-loaded planar cams with translating followers for globoidal cam indexing mechanisms (GCIMs) has been presented. Such a device can be attached to the input shaft of a GCIM to reduce the variation of its cam rotational speed. As a result, for high-speed applications, the intensity of residual vibrations of a GCIM can be decreased and its indexing accuracy can be improved. To approximate the required counterbalancing torque curves, nonparametric rational B-splines have been applied to synthesize the planar cam motion programs. Experimental results have also been shown to illustrate a practical, high-speed application. It has been proven that the use of such a TBC mechanism is useful and effective.
Design of Torque Balancing Cams for Globoidal Cam Indexing Mechanisms
Contributed by the Mechanisms and Robotics Committee for publication in the JOURNAL OF MECHANICAL DESIGN. Manuscript received August 2000. Associate Editor: J. S. Rastagor.
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Tsay, D. M., Ho, H. C., and Wang, K. C. (August 6, 2002). "Design of Torque Balancing Cams for Globoidal Cam Indexing Mechanisms ." ASME. J. Mech. Des. September 2002; 124(3): 441–447. https://doi.org/10.1115/1.1479690
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