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2 092 586

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(51)

IPC

(21) (22)

Application

96103844/02, 1996-02-27

(22)

Actual filing date

1996-02-27

(45)

Published

1997-10-10

(72)

Inventor

Veter V.V.Belkin G.A.Mel'Nikov A.V.Bukinich A.A.

(73)

Holder

Aktsionernoe Obshchestvo Metallurgicheskij Kombinat"Obshchestvo S Ogranichennoj Otvetstvennost'Ju Nauchno-Proizvodstvennoe Predprijatie

METHOD OF RESTORING OPERATIONAL CHARACTERISTICS OF ROLLS IN HOT- ROLLING MILLS Russian patent published in 1997 - IPC

Abstract RU 2092586 C1

FIELD: metallurgy. SUBSTANCE: surface of roll is heated to drawing temperature by way of being in contact with metal in rolling state, after which roll surface is cooled: first slowly and then in accelerated mode, slow cooling time constituting 0.4-0.9 tempering time and cooling liquid flow in the beginning of accelerated cooling step being not higher than 0.5 its nominal flow and smoothly rising to nominal value by the beginning of roll operation. EFFECT: increased stability of rolls.

Similar patents RU2092586C1

Title	Year	Author	Number
METHOD FOR RESTORING OPERATING PROPERTIES OF ROLLS IN HOT ROLLING MILLS	1994	Veter V.V. Belkin G.A. Mel'Nikov A.V. Bukinich A.A.	RU2081923C1
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METHOD OF OPERATION OF SHEET ROLLING ROLL	1998	Pimenov A.F. Skorokhodov V.N. Nastich V.P. Ugarov A.A. Nikolaev V.A. Cheglov A.E. Trajno A.I.	RU2126730C1
METHOD FOR REPAIR OF PARTS OF METALLURGICAL EQUIPMENT	1996	Najdenov I.V. Veter V.V. Belkin G.A. Bezukladov V.I. Shatskikh N.I.	RU2104141C1

RU 2 092 586 C1

Authors

Veter V.V.

Belkin G.A.

Mel'Nikov A.V.

Bukinich A.A.

Dates

1997-10-10—Published

1996-02-27—Filed