METHOD FOR MAKING ROLLED METAL Russian patent published in 1999 - IPC

Abstract RU 2127643 C1

FIELD: production of different cross section mean and small rolled metallic bars. SUBSTANCE: method allows to change lengthwise rolling process by end expanding. It reduces expense approximately by 30%, especially at making small rolled bars. Method comprises steps of end expansion of ingot portion extending from die and simultaneously separating expanded ring with cross section shape corresponding to necessary profile of rolled metal, then chopping formed ring and unbending it along straight line. In order to eliminate curved end portions, formed rod is rolled in one or two passes between grooved rolls in lengthwise rolling mill. Maximum effect is achieved at combining method with continuous steel casting. In such case ingot is simultaneously cut. EFFECT: enhanced efficiency. 3 cl, 4 dwg

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RU 2 127 643 C1

Authors

Nagovitsyn V.V.

Zijatdinov F.G.

Dates

1999-03-20Published

1997-07-29Filed