This paper proposes double action parallel indexing CAM mechanism, and studies cams profile by methods used in gear meshing.

提出了双作用式平行分度凸轮机构，并按研究齿轮啮合的方法研究其凸轮廓线。

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Special cam profile performs a double roll-on action suitable to handle aluminium ROPP caps on bottles made of aluminium of CAN BOTTLE type.

特殊的凸轮曲线进行的双滚动适用于处理铝制成的CAN瓶子上的铝制ROPP盖。

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