TH65748B - Rolling mill methods and sets for creating a wide variety of profiles' influences. - Google Patents

Abstract

DC60 (21/12/47) During the rolling of thin sheet metal or strips in a roll mill assembly consisting of working rolls supported on backing rolls or intermediate rolls with backing rolls, wherein the adjustment of the roll gap is performed by displacement along the axis of a pair of rolls provided with a curved contour, in the case of a greater width of the product boundary deviation from the desired profile is regularly observed as a result of excessive elongation in the edge or fringe areas, which are clearly visible as fringe waves in the product thinness. In order to find a solution to this problem, a simple mechanism and to achieve further improvements in the adjustment mechanism and strategy for producing absolutely flat thin strips having a predetermined thickness profile over the entire width of the material to be rolled has been proposed in accordance with the invention that in order to produce the desired roll gap profile (10, 11) for two chosen displacement positions, the contours of the rolls of the pair of rolls are made. The configuration is such that in the roller gap they give rise to a profile (20, 21) symmetrical with respect to the roller center, which has a maximum value at the roller center, which can be varied by the displacements of the rollers, but the roller contours of at least one pair of rollers give rise to a profile (22,23) in the roller gap symmetrical with respect to the roller center, which has two maximum values, which can be varied by the displacements along the outer-axis of the roller centers (drawings Fig. 6 and Fig. 7):

Claims (1)

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