Metal deforming – With use of control means energized in response to activator... – Metal deforming by use of roller or roller-like tool element
Patent
1994-03-10
1996-02-27
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
72234, 72 117, B21B 3700
Patent
active
054938856
ABSTRACT:
The sheet profile of a strip on the outlet side of a final stand coincides with a desired value without deforming the shape of the strip, by using a hot strip finish rolling mill having a number of rolling stands disposed sequentially. The rolling mill employs feedback control of upstream stands to reduce the error between a sheet profile measured by a sheet profile meter disposed at the outlet side of a selected stand and a desired sheet profile. The selected stand is the stand where the sheet thickness of the strip is at the percentage sheet crown critical sheet thickness. The sheet profile measured by the sheet profile meter is used to control the downstream stands using feed-forward control to make the sheet profile on the outlet side of the final stand coincide with the desired sheet profile.
REFERENCES:
patent: 3552162 (1971-01-01), Gingher et al.
patent: 3592031 (1971-07-01), Sutton et al.
patent: 3694636 (1972-09-01), Smith, Jr.
patent: 3882709 (1975-05-01), Kawamoto et al.
patent: 4711109 (1987-12-01), Rohde et al.
Goto Yoshito
Kaneda Yoshiaki
Nikaido Hideyuki
Nomura Nobuaki
Yuzawa Hideyuki
Kawasaki Steel Corporation
Larson Lowell A.
Schoeffler Thomas C.
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