Sizing mill and method of rolling a round bar material

Details Sizing mill and method of rolling a round bar material Sizing mill and method of rolling a round bar material

1988-10-12

1990-03-13

Bray, W. Donald

Metal deforming

By use of roller or roller-like tool-element

Plural roller-couples

B21B 1312

Patent

active

049074385

ABSTRACT:
A plurality of roll stands are arranged along a planned passage line of a roll material. Each of the roll stands is provided with a pair of rolls each of which is formed, on the outer circumferential surface thereof, with a groove for rolling. The bottom surface formed on each roll is a circular arc in cross section. Both side surfaces of the groove are, in cross section, circular arcs of a radius larger than that of the bottom surface or segments of line.
The roll material is transferred along the planned passage line is passed between the grooves on the pair of rolls in each roll stand. Thus, the roll material is rolled. In this case, even is the thickness of the roll material deviates, it can be rolled into a finished material of a prescribed dimension.

REFERENCES:
patent: 2369730 (1945-02-01), Fisk
patent: 3336781 (1967-08-01), Wilson et al.
patent: 3996781 (1976-12-01), Nuckel
patent: 4392370 (1983-07-01), Strandell
patent: 4537055 (1985-08-01), Woodrow et al.
patent: 4669293 (1987-06-01), Kusaba et al.
patent: 4744234 (1988-05-01), Poloni

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