| 摘要 |
A universal head changes the orientation of a tool freely and machines a workpiece with the tool in the changed orientation. The universal head comprises a universal head body, for swiveling movement, including a swinging unit and an attachment detachably mounted on the swinging unit with a rotating tool removably mounted on the attachment. The universal head has, and simultaneously offers, the advantages of both a universal head, which allows the tool to change its orientation freely for machining a workpiece, and an attachment which allows the tool to be brought closely to the workpiece for machining the workpiece. The universal head does not require a process of installing itself on and removing itself from a universal head support.
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