A computing procedure that can be used to generate follower motions with a higher degree of accuracy by using their digitized 2-D cam surfaces is presented. Based on the geometric relationships at the contact point between a planar cam and its follower, the reverse functions that can be solved to find the follower motion of the cam-follower mechanism are established. To approximate the digitized cam surfaces and to create their derivatives required in determining the follower motions, a least squares periodic B-spline approximation is also introduced. In comparison with analytical results obtained from a theoretical design, the procedure is verified for its accuracy and reliability. Furthermore, by using the cam surface data points taken from a CMM, a practical example is given to show the effectiveness and usefulness of the proposed techniques.
Producing Follower Motions Through Their Digitized Cam Contours
Contributed by the Computer Aided Product Development (CAPD) Committee for publication in the JOURNAL OF COMPUTING AND INFORMATION SCIENCE IN ENGINEERING. Manuscript received August 2001; Revised July 2001. Associate Editor: D. Rosen.
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Tsay, D., Huang, M., and Ho, H. (September 25, 2002). "Producing Follower Motions Through Their Digitized Cam Contours ." ASME. J. Comput. Inf. Sci. Eng. June 2002; 2(2): 98–105. https://doi.org/10.1115/1.1505852
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