Shape control method and system for a rolling mill

Details Shape control method and system for a rolling mill Shape control method and system for a rolling mill

1974-04-30

1976-02-17

Mehr, Milton S.

Metal deforming

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

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

72 21, B21B 3708

Patent

active

039383601

ABSTRACT:
A shape control system for a rolling mill comprises means for operating a roll positioning means to press down the rolls under a preselected load, when no strip to be rolled is fed between the rolls; a calculator of roll position variation for comparing the roll position under the preselected load with a preselected reference roll position; a calculator of roll crown variation for calculating the roll crown variation by using the output from said calculator of roll position variation and a preselected functional relationship; and a calculator of roll bending force for calculating the amount of a roll bending force to be corrected based on the output from said calculator of roll crown variation and feeding the thus calculated correction to roll bender control means.

REFERENCES:
patent: 3387470 (1968-06-01), Smith, Jr.
patent: 3531960 (1970-10-01), Stone
patent: 3714805 (1973-02-01), Stone
patent: 3803886 (1974-04-01), Sterrett et al.

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