介绍了自动换刀装置的换刀过程、滚子齿形凸轮机构的运动循环图设计，并进行了分析。
On the basis of the motion graph, the roller-gear-cam and driven roller in ATC are given a motion analyze.
并着重阐述了根据组织图设计开口凸轮的设计方法、曲线数据计算方法和三维制图方法。
Highlight is giren to the design meghed, curve calculation and 3d drawing for the cam fabrication. It is helpful for development of nwe products of cams.
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