| 摘要 |
<p>Automatic punching machine for performing a predetermined number of different punching shapes in a metal sheet comprising a punching head (6) including two superimposed parallelepiped blocks (8,9) spaced from one another, a plurality of punch/die pairs the punch and associated die of each pair being respectively mounted in said blocks (8,9), a numerically controlled manipulator (7) for displacing a metal sheet between said blocks (8,9) of the punching head (6). …<??>In order to increase the productivity of the punching machine, the axis of each punch/die pair constitutes an operative position of said machine, and each punch/die pair is actuated independently from the others.</p> |
