| 摘要 |
<p>The punching machine (1) comprises a base frame (2) which defines an upper horizontal work table (3) for working metal sheets and bars, an operating turret (4) positioned above said work table (3) and housing a punching ram, a first support means (5) for at least one male punch holder (6) driven rotationally by a respective first motor assembly (100) and supported on said turret (4) in vertical alignment below said punching ram, a second support means (7) for a female die holder (8) inserted in said work table (3) in vertical alignment with said first support means (5) and driven rotationally by a respective second motor assembly (200) synchronised with said first motor assembly (100), at least one element (9) for selection and contact with a male punch (106) interposed between said ram and said male punch holder (6) driven rotationally by a respective third motor assembly (300); said male punch holder (6) and female die holder (8) can be driven by respective drive means (10, 11) with synchronous rotational movement around a common vertical axis (A) relative to said first support means (5) and said second support means (7).</p> |
