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大家知道,在一般的共扼凸轮机构中(图1a),一对共扼凸轮1和1′分别由它们的外缘廓线带动相互固结的摆臂O_2A和O_2A′。图1b所示为一种新型的共扼凸轮机构,凸轮1和1′分别以其外缘廓线和内缘廓线带动摆臂O_2A和O_2A′,为区别于前者,将该机构命名为内外缘共扼凸轮机构。与此名称相对应,一般的共轭凸轮机构也可称为双外缘共轭凸轮机构。内外缘共轭凸轮机构与双外缘共轭凸轮机构比较,前者一对共轭凸轮的廓线可位于同一平面内,且
It is known that in a conventional conjugate cam mechanism (FIG. 1a), a pair of conjugate cams 1 and 1 ’respectively drive the mutually-fixed swing arms O_2A and O_2A’ by their outer edge profiles. Figure 1b shows a new type of conjugate cam mechanism. Cam 1 and 1 ’respectively drive the swing arms O_2A and O_2A’ with their outer contour and inner edge profile respectively. To distinguish this from the former, Edge common cam mechanism. Corresponding to this name, a common conjugate cam mechanism may also be referred to as a double-rim conjugate cam mechanism. The inner and outer edge conjugate cam mechanism is compared with the double outer edge conjugate cam mechanism. The profiles of the former pair of conjugate cams may lie in the same plane, and