B - Operations – Transporting – 30 – B
Patent
B - Operations, Transporting
30
B
B30B 15/24 (2006.01) B21D 5/02 (2006.01)
Patent
CA 2046914
A bending press is equipped with a movable lower platen actuated by at least three hydraulic jacks, two of which are placed at the lateral ends of the movable platen and at least one of which is placed at the center along the axis of the platen. The hydraulic circuit is associated with a device for detecting the presence of any tilting torque on the movable platen, and with a comparator and computer system connected to the detection device. The jacks are connected to a common directional distributor via pressure control units controlled by the comparator and computer system. This system if capable of producing a continuous reduction in pressure exerted on the jack located on the side opposite to the direction of the tilting torque and possibly also on the jack located at the center so as to produce a torque in opposition to the tilting torque.
Amada Co.
Amada S.a.
Goudreau Gage Dubuc
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