Punching device for thin plates and punching units used with pun

Details Punching device for thin plates and punching units used with pun Punching device for thin plates and punching units used with pun

1988-04-05

1991-07-02

Yost, Frank T.

Cutting

With control means responsive to replaceable or selectable...

Arithmetically determined program

83521, 83549, 83551, 83571, 836391, 72444, B26D 530, B26F 104

Patent

active

050276832

ABSTRACT:
A punching device is provided which includes a plurality of punching units arranged in a side-by-side fashion on a substantially horizontal working surface. The device includes a plurality of punches and dies of different shaped, and a moving assembly, for supporting a holder frame, which moves a workpiece along both X- and Y-axes on a working table. A control unit is provided for inputting punching positions on the workpiece as well as the shape(s) of the holes to be punched, as well as for controlling operation of the moving assembly and punching units in response to inputted data, and for moving the punching positions of the workpiece below the desired punching units to perform punching operations. The punching units each comprises a substantially -shaped supporting member in which a piston is provided for moving a punch upwardly and downwardly. The punch is provided in one arm of the -shaped support member, with a corresponding die in a lower portion of the support member.

REFERENCES:
patent: 3368439 (1968-02-01), Bungay
patent: 3717059 (1973-02-01), Daniels
patent: 3768351 (1973-10-01), Stepan
patent: 4220062 (1980-09-01), Blanz

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