Method of manufacturing metallic materials having a circular cro

Details Method of manufacturing metallic materials having a circular cro Method of manufacturing metallic materials having a circular cro

1983-06-28

1985-04-23

Bray, W. D.

Metal deforming

Process

Tube making or reshaping

295277, 72 78, 72 96, 72377, B21B 2702

Patent

active

045121770

ABSTRACT:
The invention relates to a method of manufacturing solid metallic materials having a circular cross section by employing a rotary mill. A three or four roll cross-type rotary mill is employed, with cross and feed angle setting selected so as to meet specific conditions. The method permits efficient production of metallic materials without internal cracks or internal fracture initiated from porosity. In one version of the method the material being worked is rotated. In another version the material is not rotated and the roll housing is rotated around the former. Where the latter version is employed, it is possible to work the material as produced by a continuous casting machine and without cutting.

REFERENCES:
patent: 3503238 (1970-03-01), Marcovitch
patent: 3550417 (1970-12-01), McMaster
patent: 4202195 (1980-05-01), Tuschy et al.
"Sosei to Kakov", (Plasticity and Working), vol. 7, No. 67, (Aug. 1966).
"Study on Helical Rolling", Sosei to Kakov, vol. 10, No. 104, (Sep. 1969).

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