| 摘要 |
<p>The rotary punching machine comprises a pair of punching tools with a rotary punching tool which has punches arranged along its circumference and a rotary die tool which interacts with the punching tool and has punching bushings 4 serving as dies arranged on its circumference. According to the invention, the punching tool and/or the die tool 3 has, between the individual punches or, respectively, punching bushings 4, a groove 12 which is cut out radially in the circumferential surface and runs in the circumferential direction and the depth of which is greater than the depth of the penetration of the punches in the punching bushings 4. <IMAGE></p> |
