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2 164 181

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IPC

(21) (22)

Application

99111058/02, 1999-05-25

(24)

Start date

1999-05-25

(22)

Actual filing date

1999-05-25

(45)

Published

2001-03-20

(72)

Inventor

Veter V.V.Belkin G.A.Tishchenko A.D.Sarychev I.S.Mazur S.I.Likhachev G.V.Mel'Nik D.P.

(73)

Holder

Otkrytoe Aktsionernoe Obshchestvo Metallurgicheskij Kombinat"

ROLLING ROLL OPERATION METHOD Russian patent published in 2001 - IPC

Abstract RU 2164181 C2

FIELD: rolled stock production, possibly exploitation of rolls of mills for cold and hot rolling. SUBSTANCE: method comprises steps of initial exploitation of roll in stand, after predetermined number of regrinding operations subjecting roll to preventive turning in lathe, then again exploiting roll; after 1-5 turning operations realizing heat treatment of roll instead of next turning. Heat treatment of roll comprises steps of heating roll at rate no more than 45 C/h until temperature 350-450 C, soaking it for 2-20 h and cooling at rate no more than 45 C/h. EFFECT: enhanced strength of roll due to reduced quantity of its contact-fatigue defects and lowered number of planned preventive regrinding. 3 cl, 3 ex

Similar patents RU2164181C2

Title	Year	Author	Number
ROLLING ROLL OPERATION METHOD	1999	Veter V.V. Nastich V.P. Chernov P.P. Belkin G.A. Ugarov A.A. Fridkin E.A. Likhachev G.V. Gudukhin V.V.	RU2147946C1
BACKUP ROLLING ROLL OPERATION METHOD (ITS VARIANTS)	1995	Veter V.V. Belkin G.A. Mel'Nikov A.V. Sarychev I.S. Bukinich A.A. Mel'Nik D.P.	RU2093285C1
ROLLING ROLL OPERATION METHOD	2001	Nastich V.P. Chernov P.P. Larin Ju.I. Poljakov M.Ju. Veter V.V. Shljapin Eh.V. Borovik L.I. Belkin G.A. Rakitin S.A. Sinel'Nikov V.N. Gudukhin V.V.	RU2197347C1
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RU 2 164 181 C2

Authors

Veter V.V.

Belkin G.A.

Tishchenko A.D.

Sarychev I.S.

Mazur S.I.

Likhachev G.V.

Mel'Nik D.P.

Dates

2001-03-20—Published

1999-05-25—Filed