Process and apparatus for monitoring backspringing when bending

Details Process and apparatus for monitoring backspringing when bending Process and apparatus for monitoring backspringing when bending

1989-04-21

1990-12-25

Combs, E. Michael

Metal deforming

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

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

72 31, 72149, 72702, B21D 704, B21D 714

Patent

active

049793853

ABSTRACT:
Process and apparatus for monitoring the backspringing of an elongated deformable elongated element while the element is bend by winding around a forming component. The element is clamped in a section located forward of the bend to be made. After the bend is made, the front section of the element remains clamped while the back section of the element is released. The backspringing value is determine by means of a sensor which makes a measurement on the back section of the element. The backspringing value is detected during a rotation of the element and the forming component around the axis of the bend by detecting when the back section reaches a predetermined position. This process makes it possible to continue bending of the element after detecting the backspringing value.

REFERENCES:
patent: 3156287 (1964-11-01), Munro
patent: 3352136 (1967-11-01), Clarke
patent: 3821525 (1974-06-01), Eaton et al.

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