Position-controlled edging stand arranged in front of a finishin

Details Position-controlled edging stand arranged in front of a finishin Position-controlled edging stand arranged in front of a finishin

1998-03-31

1999-12-14

Larson, Lowell A.

Metal deforming

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

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

72 104, 72 144, 72250, 723662, B21B 3700

Patent

active

06000259&

ABSTRACT:
A finishing train for continuously cast strip material and a method of operating the finiching train, wherein an edging stand is arranged in front of the finishing train for preventing strip material cracks occurring during the reduction of the strip thickness at the strip edges, wherein position control circuits are arranged in front of the adjusting device of the edging stand. The arrangement includes a superimposed pressure control circuit (edging degree monitoring circuit) which responds to the adjusting force of the edging stand and the position thereof, and a load limiting control unit which responds to adjusting forces of the grooved rolls of the edging stand exceeding permissible values and/or to loads of the drive motors of the grooved rolls exceeding permissible values, for increasing the predetermined gap width and/or reducing the desired pressure of the adjusting device of the edging stand.

REFERENCES:
patent: 4532789 (1985-08-01), Bruinsma et al.
patent: 4590778 (1986-05-01), Klockner et al.
patent: 4712414 (1987-12-01), Kokubo et al.
patent: 4803862 (1989-02-01), Schulze et al.
patent: 5394727 (1995-03-01), Griess et al.

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