Drawing unit downstream of a bending assembly and method to bend

Details Drawing unit downstream of a bending assembly and method to bend Drawing unit downstream of a bending assembly and method to bend

1990-01-10

1991-02-19

Crane, Daniel C.

Metal deforming

By use of non-deforming work-gripping clamp and relatively...

Plural or complex apparatus

72388, 72217, 72426, B21D 7022

Patent

active

049932535

ABSTRACT:
Method and machine to bend the trailing end of bars, which is to be carried out automatically or otherwise in bending-shaping machines with a working platform (22) that can be positioned as desired in relation to the horizontal and with a bending assembly located downstream of a feeding-straightening assembly for bars unwound from a reel, whereby after the required bends have been made in the leading end (T) of the bar (29), the bar (29) is fed forwards by an appreciable length at least partially by the feeding assembly with a movement of distancing of the leading end (T) and, this length of feed having been completed, the bar (29) is sheared by a shears (24) so as to create a trailing end (C) of the residual bar (129) when the trailing end (C) has been defined, the residual bar (129) is moved axially by an auxiliary drawing unit (10) located downstream of a bending assembly (35) and suitable to take up a first working position and a second retracted position to free a working platform.

REFERENCES:
patent: 4388039 (1983-06-01), Schwarze
patent: 4681210 (1987-07-01), Miki
patent: 4766756 (1988-08-01), Shiue
patent: 4885926 (1989-12-01), Lisel

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