Method and apparatus for cold finishing of metals

Details Method and apparatus for cold finishing of metals Method and apparatus for cold finishing of metals

1978-09-01

1980-09-30

Mehr, Milton S.

Metal deforming

By pulling workpiece through closed periphery die

And applying a 'pushing' force

72285, 72289, 72428, 82 20, B21C 126, B21C 314, B23B 500

Patent

active

042248183

ABSTRACT:
An apparatus and method of cold finishing of metals wherein a metal workpiece having a repeating cross section is advanced between a plurality of pairs of rollers and is driven through a die or cutting tool. The apparatus includes entry vee guides, a gimbaled die or cutting toolholder, special dies, and a special exit guide. The method results in bars having the usual cold finished qualities of accurate size, smooth surface finish, and uniform shape with the added quality of uniform residual stresses.

REFERENCES:
patent: 2225399 (1940-12-01), Kraus
patent: 2250886 (1941-07-01), Blodgett
patent: 2655066 (1953-10-01), Siegerist
patent: 3038361 (1962-06-01), Holzer
patent: 3213663 (1965-10-01), Coan
patent: 3350965 (1967-11-01), Brauer et al.
patent: 3430477 (1969-03-01), Breyer
patent: 3486403 (1969-12-01), Schweer et al.

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