| 摘要 |
<p>A multiple punching press includes a supporting framework (3) having a die block (2) with a plurality of slug holes (7). A movable punch holder (6) moves relative to the die block and includes a plurality of punch pins (14) that are movable within the movable punch holder between a first limit position where the punch pin is able to pierce the workpiece (W) and a second limit position where the punch pin is unable to pierce the workpiece. Each punch pin includes a position setting mechanism (15) that includes an actuator (16) and cam (17) to move the punch pins against the biasing force of a spring (18).</p> |
