Thickness control method and system for a single-stand/multi-pas

Details Thickness control method and system for a single-stand/multi-pas Thickness control method and system for a single-stand/multi-pas

1985-08-08

1987-05-19

Spruill, Robert L.

Metal deforming

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

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

72 16, 72205, 72232, 72243, B21B 3712

Patent

active

046657290

ABSTRACT:
In a method and system for controlling a final thickness of a strip material being rolled in a single-stand/multi-pass rolling mill having an adjustable main parameter affecting the final thickness and one or more auxiliary parameters affecting an intermediate thickness, the reference value of the main parameter is corrected in accordance with the deviation of the final thickness from its reference value and a reference value of at least one of the auxiliary parameters is corrected to cancel the effect of the correction to the main parameter on the intermediate thickness.

REFERENCES:
patent: 4329863 (1982-05-01), Pryor et al.
patent: 4382375 (1983-05-01), Yamamoto et al.
patent: 4414832 (1983-11-01), Brenneman et al.
M. Tanaka, Patent Abstracts, vol. 8, No. 186, (M-320), (1623), Aug. 25, 1984.
T. Mineura, Patent Abstracts, vol. 8, No. 180 (M-318) (1617), Aug. 18, 1984.
T. Koyama, Patent Abstracts, vol. 8, No. 80 (M-289) (1517), Apr. 12, 1984.

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