Machine for bending sheet metal margins

Details Machine for bending sheet metal margins Machine for bending sheet metal margins

1997-04-17

1998-07-28

Hail, III, Joseph J.

Metal deforming

By use of roller or roller-like tool-element

Mounted on manually maneuverable carrier

292435, 72 51, B21D 1710

Patent

active

057849153

ABSTRACT:
On a machine for bending a sheet-metal edge (4) provided with a first sheet metal part (2) over a second sheet metal part (3) to be connected to the first (2), with at least one pair (12, 15) of form rollers, preferably driven, whose form rollers (13, 14; 16, 17) roll over it in the feed direction (19) on opposite sides of the sheet-metal edge (4) along its longitudinal edge and whose roll gap (20, 22) in the bending direction is inclined toward the second sheet metal part (3), wherein one of the form rollers (14, 17) grasps the sheet-metal edge (4) underneath on the side facing the second sheet metal edge (3), and with a support going across the feed direction (19) with at least one abutment supported on one of the sheet metal parts (2,3) by the fact that the abutment(s) is (are) arranged lagging behind the pair (12) of form rollers in the feed direction (19) and is (are) supported on the side of the sheet-metal edge (4) facing the second sheet metal part (3). This prevents unwanted deformations and damage to the sheet metal parts (2, 3).

REFERENCES:
patent: 2146659 (1939-02-01), Stewart
patent: 2637292 (1953-05-01), George, Jr.
patent: 2919613 (1960-01-01), Crement
patent: 2998738 (1961-09-01), Crine, Sr. et al.

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