自动换刀机构：配置链式刀库，实现刀具自动交换。换刀性能经过严格的运转试验，动作协调准确，快速、可靠。

Auto changing tool magazine: Equipped with chain-type tool changer for automatic exchanging tools. Ahe performance of changing cut has been strictly tested, acting concertedly, fast and reliably.

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弧面分度凸轮机构是数控加工中心的核心部分，用于实现自动换刀机械手的精确动作。

The globoidal indexing cam mechanism, which is used to achieve the precisely changing position of ATC(Automatic tool changing), is the most important part of NC manufacture center.

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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.

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