Gauge control method and system for rolling mill

Details Gauge control method and system for rolling mill Gauge control method and system for rolling mill

1978-06-07

1980-12-16

Gruber, Felix D.

Boots, shoes, and leggings

72 8, 364105, G06F 1546, B21B 3712

Patent

active

042401470

ABSTRACT:
The present invention provides a method and a system for controlling strip thickness in rolling mill, especially adapted in the case where material is rolled by a tandem rolling mill. According to the present invention, the change in the strip thickness from one sampling epoch to another is calculated on the basis of two sampling values, i.e. strip thickness and strip thickness deviation, at the entrance side of a mill stand; the press-down speed and the workpiece tension are determined according to such a condition as to minimize the calculated change during the sampling period; and the press-down speed and the interstand tension are regulated by the thus determined mill speed and tension when a certain portion of the strip reaches the stand bite of the next mill stand.

REFERENCES:
patent: 3600920 (1971-08-01), Smith, Jr.
patent: 3624369 (1971-11-01), Kip, Jr.
patent: 3694636 (1972-09-01), Smith, Jr.
patent: 3787667 (1974-01-01), King et al.
patent: 3934438 (1976-01-01), Arimura et al.
patent: 4030326 (1977-06-01), Morooka et al.
patent: 4087859 (1978-02-01), Anbe

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