| 摘要 |
A polygonal box tool for use with lathes or other machine tools of the character wherein the work is rotated about its axis. The box or housing is provided with a holder for a cutting tool, movement of the holder transversely of the box being controlled by a cam member journaled in the body portion of the box. The cam is driven by the lathe spindle, and is formed with a groove of contour to generate the desired shape on or in the workpiece.
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