| 摘要 |
<p>A punching machine (10) for metal sheet; the machine (10) comprises a C- shape support frame (11) having means for supporting a metal sheet (14) to be punched, arranged within a cavity between a lower arm (11 A) and an upper arm (11 B). The punching machine (10) further comprises a plurality of dies (15) within respective seats of the lower arm (11 A); a plurality of punching units (16) within respective seats of the upper arm (11 B), and a support (23), suitable for being turned upwards, for a plurality of control cylinders (17) for the punching units (16), wherein the support (23) with the control cylinders (17) can be rotated between a lowered position, wherein the control cylinders are axially aligned with respective punching units (16), and a raised position wherein the support (23) with the control cylinders (17) are angularly spaced apart from the punching units (16).</p> |
