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2 085 326

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IPC

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Application

95112709/02, 1995-07-20

(22)

Actual filing date

1995-07-20

(45)

Published

1997-07-27

(72)

Inventor

Umanets V.I.Rjabov V.V.Chumarin B.A.Lebedev V.I.Kopylov A.F.

(73)

Holder

Aktsionernoe Obshchestvo Metallurgicheskij Kombinat"

METHOD FOR CONTINUOUS CASTING OF RECTANGULAR INGOTS Russian patent published in 1997 - IPC

Abstract RU 2085326 C1

FIELD: metallurgy. SUBSTANCE: method involves supplying metal to crystallizer; changing ingot width by moving narrow walls of crystallizer; positioning narrow walls of crystallizer at an angle to longitudinal axis of crystallizer; withdrawing ingot from crystallizer. During displacement of narrow walls of crystallizer inclination angle of narrow walls relative to longitudinal axis of crystallizer from initial position is changed by Δγ = ± (0.003-0.006) arctg Δ B1L, where D B is value of displacement of narrow wall, mm; L is length of ingot measured from metal meniscus in crystallizer to its lower end, mm; (0.003-0.006) is empirical coefficient taking into account shrinkage of ingot wide walls and set in reverse ratio relative to speed at which ingot is withdrawn from crystallizer. EFFECT: increased efficiency and improved quality of ingots. 1 tbl

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RU 2 085 326 C1

Authors

Umanets V.I.

Rjabov V.V.

Chumarin B.A.

Lebedev V.I.

Kopylov A.F.

Dates

1997-07-27—Published

1995-07-20—Filed

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