| 摘要 |
Punching device mounted on a press, which includes a plurality of punches 11 respectively actuated by elementary cylinder actuators 17 via a drive means, characterised in that it includes at least one punch 11 mounted so as to move in a direction XX' under the action of a pull-and-push means 16 subjected to the drive force of a cylinder actuator 17 supplied with a pressurised fluid by means of a selective directional control valve (distributor) 20. <IMAGE>
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