| 摘要 |
<p>PROBLEM TO BE SOLVED: To support many tools with a simple configuration, in a bite holder of a machine tool.SOLUTION: There are provided an annular tool support member 20 rotatable around a center E, a pressing plate 40 (tool holding member) and a plurality of holders 25 which hold a plurality of tools 30 so as to be arrayed along circumferential direction of the tool support member 20, with the tools 30 movable in radial direction R of the tool support member 20, a tool moving member 50 for moving, in the radial direction R, the tools 30 positioned at a predetermined selecting position by rotation of the tool support member 20. A position C decentered relative to the center E of the tool support member 20 is an arrangement position of a work piece 200 (processed object), and a position where the tool support member 20 and the work piece 200 approach is a selection position.</p> |
