Rolling mills and methods of rolling

Details Rolling mills and methods of rolling Rolling mills and methods of rolling

1981-09-08

1983-07-05

Larson, Lowell A.

Metal deforming

By use of roller or roller-like tool-element

Included in roller-cluster

72234, 72366, 295277, B21B 1322, B21B 146

Patent

active

043911170

ABSTRACT:
A rolling mill and method for rolling material having a rectangular, oval or like elongated cross-sectional configuration into rod or wire, has a line of passes of which the first pass is formed by two rollers and the remaining passes are each formed by three rollers, and wherein the first pass deforms the material, whose input cross section has a ratio of the lengths of its major and minor principal axes greater than about 1:2 to an output cross section which is exactly round or a regular polygon, such as square or hexagonal or which deviates from such a geometrical configuration only to an extent such that the ratio of the lengths of the major and minor principal axes of the output cross section does not exceed about 1:2.

REFERENCES:
patent: 3729973 (1973-05-01), Wykes
patent: 3837207 (1974-09-01), Tarmann
patent: 4044586 (1977-08-01), Properzi
patent: 4070893 (1978-01-01), Nishikubo et al.

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