Apparatus for controlling flatness of metal sheet during rolling

Details Apparatus for controlling flatness of metal sheet during rolling Apparatus for controlling flatness of metal sheet during rolling

1976-03-15

1977-07-05

Mehr, Milton S.

Metal deforming

By use of roller or roller-like tool-element

Including tautening of work during deformation

72161, 72234, B21B 1500, B21B 3908

Patent

active

040331652

ABSTRACT:
An apparatus for controlling the flatness of a metal sheet during rolling, which comprises two edge-rollers and a center-roller provided closely adjacent to opposite ones of the upper and the lower surfaces of a metal sheet during rolling substantially in the horizontal direction, at least at one of the entry and the exit sections of rolling mill rolls; said edge-rollers and/or said center-roller causing a change in the tension distribution of said metal sheet in the width direction, by imparting desired vertical displacement to a desired portion of said metal sheet, thereby increasing the draft at said portion of said metal sheet during rolling. An auxiliary-roller is provided, if necessary, in contact with at least one of the upper and the lower surfaces of said metal sheet over the entire width thereof, at least at one of the entry and the exit sections of said mill rolls, and at a location more distant from said mill rolls than said edge-rollers and said center-roller, with a view to effectively changing said tension distribution.

REFERENCES:
patent: 3459019 (1969-08-01), Stone
patent: 3782152 (1974-01-01), Sabatini

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