CNC-controlled pipe bending machine

Details CNC-controlled pipe bending machine CNC-controlled pipe bending machine

1996-07-29

1997-11-25

Larson, Lowell A.

Metal deforming

By deflecting successively-presented portions of work during...

By use of work-contacting wiper and moving, work-holding form

72149, B21D 704, B21D 905

Patent

active

056899882

ABSTRACT:
The pipe bending machine comprises a bending template (15) for bending the pipe therearound. The unbent pipe portion is supported on a pipe supporting rail (20) mounted on a pipe supporting rail carrier (25) and being adjustable in height. The height adjustment of the pipe supporting rail (20) is performed by a drive means (28), suited for stepless positioning, which sets the pipe supporting rail (20) to a height predetermined by the CNC control unit. Prior to the bending of the pipe, the height to which the pipe supporting rail (20) is to be moved is determined by the working program in dependance on a set of tool data which has been input into the control unit.

REFERENCES:
patent: 4495788 (1985-01-01), Traub
patent: 4567745 (1986-02-01), Schwarze
patent: 4821549 (1989-04-01), Schwarze
patent: 4888971 (1989-12-01), Schwarze
patent: 5343725 (1994-09-01), Sabine
patent: 5463888 (1995-11-01), Nagai

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