Rolling mill for making a rolled product, especially rolled stri

Details Rolling mill for making a rolled product, especially rolled stri Rolling mill for making a rolled product, especially rolled stri

1988-11-02

1990-09-11

Crane, Daniel C.

Metal deforming

By use of roller or roller-like tool-element

With carrier for roller-couple or tool-couple

72199, 722436, 29122, B21B 2702, B21B 3118, B21B 2900

Patent

active

049552210

ABSTRACT:
During operation of a rolling mill the roll gap and roll shape change, because of the influence of heat, bending of the working rolls or the roll mounting, wear and the like, and must be compensated and/or balanced to make a planar product, particularly a planar rolled sheet or strip. To compensate for these undesirable disadvantageous influences on the operation of the rolling mill frequent axial sliding of the rolls with respect to each other and/or positioning of the working rolls transverse to the plane of the rolled material is required. According to our invention these undesirable influences are prevented in a particularly simple way and/or are compensated when the contours of the rolls in the initial state and/or unloaded state of the rolling mill are such that the sum of the roll body diameters at each relative axial position of the rolls varies axially from a constant value.

REFERENCES:
patent: 2776586 (1957-01-01), Sendzimar
patent: 4440012 (1984-04-01), Feldmann et al.
patent: 4519233 (1985-05-01), Feldmann et al.
patent: 4656859 (1987-04-01), Ginzburg

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