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2 147 945

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Application

99108949/02, 1999-04-26

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Start date

1999-04-26

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Actual filing date

1999-04-26

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Published

2000-04-27

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Inventor

Skorokhodov V.N.Lisin V.S.Pimenov A.F.Nastich V.P.Chernov P.P.Cheglov A.E.Pavlov A.G.Trajno A.I.Sarychev I.S.

(73)

Holder

Otkrytoe Aktsionernoe Obshchestvo Metallurgicheskij Kombinat"

METHOD FOR PREPARING ROLLS OF FOUR-HIGH SHEET ROLLING STAND TO OPERATION Russian patent published in 2000 - IPC

Abstract RU 2147945 C1

FIELD: metallurgy, namely rolled stock production, possibly in mills for cold rolling steel sheets. SUBSTANCE: method comprises steps of mounting rolling and backup rolls in stand, common rotation of mutually engaged rolling and backup rolls and simultaneous feed of cooling and lubricating liquid to them. Rolls are subjected to common rotation at pressing effort (1.1-1.9)t/mm with relation of diameters of adjacent backup and rolling rolls equal to 2.8-3.6. Invention provides simultaneous formation of strengthened layer with optimal properties in necessary points of rolling and backup rolls. EFFECT: enhanced strength of rolls, high quality of rolled sheets. 2 ex, 1 tbl

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RU 2 147 945 C1

Authors

Skorokhodov V.N.

Lisin V.S.

Pimenov A.F.

Nastich V.P.

Chernov P.P.

Cheglov A.E.

Pavlov A.G.

Trajno A.I.

Sarychev I.S.

Dates

2000-04-27—Published

1999-04-26—Filed

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