| 摘要 |
In a complex tool to be installed on a machine tool capable of turning machining and milling machining operations, a main body is provided, and carries inserts for turning machining, inserts for milling machining and inserts for drilling machining. Turning machining and drilling/milling machining operations can be executed using the inserts installed on the main body, without the need for tool exchange, saving time and labor. The inserts as installed have opposite rotational cutting directions, and are placed on opposite sides of concavities that extend radially inwardly and axially back from the end of the main body. The inserts can be placed at the same or different cutting distances and can be brought into engagement with the workpiece by selection of the relative orientations of the rotation axis and the workpiece.
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