In this paper, we developed an automated system for the design and manufacture of three-dimensional cams. This system incorporates the computer-aided design, manufacturing and inspection three sequences into one automated process. First, a computer package employing the theory of gearing is developed for synthesizing and animating cam mechanisms. Then, a module for generating NC programs for a five-axis CNC machine to manufacture spatial cams is established. Finally, a computer-aided inspection system for measuring cam profile is introduced. This automated CAD/CAM/CAI system is illustrated with an example on the design of a roller gear cam.
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