Strip thickness control

Metal deforming – With use of control means energized in response to activator... – Metal deforming by use of roller or roller-like tool element

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72 12, B21B 3712

Patent

active

039967760

ABSTRACT:
A system for controlling the thickness of strip in a tandem mill having at least three stands. At a first lower speed the thickness of the strip is corrected in only a first one of the stands of the mill, and at a second higher speed the thickness error is corrected only in a second one of the stands, the second stand being downstream from the first stand. At intermediate speed a thickness error correction takes place in both a first and a second stand.

REFERENCES:
patent: 2767604 (1956-10-01), Whalen, Jr.
patent: 3440846 (1969-04-01), Scott
patent: 3531961 (1970-10-01), Dunn
patent: 3702071 (1972-11-01), Masar
patent: 3709008 (1973-01-01), Smith, Jr.
patent: 3740983 (1973-06-01), Peterson et al.
patent: 3765203 (1973-10-01), Peterson
patent: 3782151 (1974-01-01), Peterson et al.

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