Method and apparatus for bending an elongate workpiece

Details Method and apparatus for bending an elongate workpiece Method and apparatus for bending an elongate workpiece

1988-09-16

1990-08-14

Jones, David

Metal deforming

With use of optical or transparent means

72 9, 72 34, 72702, 29407, B21C 5100

Patent

active

049476661

ABSTRACT:
Apparatus for bending an elongate workpiece to a desired configuration includes a memory for storing information representative of the desired configuration and information representative of bending operations to be performed by a bending machine. A position sensor is used to scan a workpiece that has been bent using the bending machine, and thereby generate information representative of the actual configuration of the workpiece. The information representative of the actual configuration of the workpiece is compared with the information representative of the desired configuration and, in the event that there is a difference between the actual configuration and the desired configuration, and the difference is beyond a predetermined tolerance, the information representative of bending operations is modified in a manner such as to reduce the difference.

REFERENCES:
patent: 3837198 (1974-09-01), Higgins
patent: 4408471 (1983-10-01), Gossard et al.
patent: 4564765 (1986-01-01), Blaich
patent: 4802357 (1989-02-01), Jones
patent: 4819467 (1989-04-01), Graf et al.

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