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阐述了采用包络原理加工圆柱分度凸轮的基本原理，并在此基础上分析找出产生凸轮廓面误差的原因；用矢量法分析了圆柱分度凸轮廓面的原始加工误差。从而有利于调整凸轮的加工工艺，提高圆柱分度凸轮廓面的加工精度。
The basic principle of using the envelope principle to process the cylindrical indexing cam is described. Based on this, the reason of the error of the cam contouring is analyzed and analyzed. The original machining error of the indexing cam profile is analyzed by the vector method. Which will help adjust the cam processing technology and improve the processing accuracy of cylindrical indexing cam profile.