Plate bending machine

Details Plate bending machine Plate bending machine

1992-02-03

1994-05-03

Crane, Daniel C.

Metal deforming

With use of control means energized in response to activator...

Metal deforming by use of roller or roller-like tool element

72306, 72389, B21D 502

Patent

active

053076591

ABSTRACT:
The machine includes a U-shaped pincer (12) with a pair of arms (14, 16) which carry a V-sectioned linear punch (P) and a V-sectioned linear die (D) respectively. The punch (P) is fixed and the die (D) is movable. The U-shaped pincer (12) is mounted so that it can rotate both about a bending axis (V) coincident with the edge of the punch (P) and about a horizontal pivoting axis O which intersects the bending axis (V). A clamp (10) is adapted to grip an upper edge of a piece (W) of sheet metal so that a region thereof to be bent lies in a vertical suspension plane (B) lying between the arms (14, 16) of the U-shaped pincer (12) and containing the bending axis (V). The U-shaped pincer (12) and the clamp (10) are capable of relative movement both in a vertical direction (Z) and in a horizontal direction (X) perpendicular to the horizontal pivoting axis (O).

REFERENCES:
patent: 2141657 (1938-12-01), Meier
patent: 3422750 (1969-01-01), Anderson
patent: 3986470 (1976-10-01), Berry
patent: 4043165 (1977-08-01), Badger
patent: 4426873 (1984-01-01), Pearson
patent: 4672835 (1987-06-01), Liet
patent: 4872862 (1989-10-01), Ewald

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