Abstract

This paper presents a convenient analysis method for the plane cams. This method is based on the principle of the offset curve of a plane curve and has the feature that the concept is clear and the computing process becomes simple. Almost the same manners can be used for the calculation of both the cam profile and the tool coordinates in manufacturing and for the influence analysis of the errors which occur in the manufacturing and assembling of cams, because the cam contour, the pitch curve and the path of tool center are the offset curve each other. Its validity is certified with some examples. This method can be effectively applied for CAD/CAM of the plane cam mechanisms.

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