以CA6140型普通车床的数控改造为例，介绍了自动回转刀架的结构、安装和换刀控制；并且对自动回转刀架常见故障与排除提出了意见和措施。

Takes nc transformation of CA6140 type common lathe as an example, has explained the structure, installation and principle on automatic tool changing of auto-rotating tool-carrier.

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采用螺旋型四工位自动转位刀架系统。

And take use of spiral type of four position automatic switch cutter frame system.

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