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2 242 347

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IPC

(21) (22)

Application

2003113473/02, 2003-05-07

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Start date

2003-05-07

(22)

Actual filing date

2003-05-07

(45)

Published

2004-12-20

(72)

Inventor

Skorokhvatov N.B.Smirnov V.S.Lamukhin A.M.Sinev O.V.Rosljakova N.E.Trajno A.I.Tjapaev O.V.

(73)

Holder

Otkrytoe Aktsionernoe Obshchestvo

METHOD FOR RESTORING BANDED ROLLER Russian patent published in 2004 - IPC

Abstract RU 2242347 C1

FIELD: restoration of banded rollers of coilers of hot rolling mills.

SUBSTANCE: method comprises steps of preheating roller until temperature 250 -300 C; multi-layer surfacing by means of steel electrode at rate 20 -30 m/h at electric current density 20 - 25 A/sq. m; realizing heat treatment of surfaced band of roller due to heating roller until temperature 400- 450 C for time interval 5 - 7 hours.

EFFECT: increased rigidity and wear resistance of banded roller.

2 cl, 2 tbl, 5 ex

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RU 2 242 347 C1

Authors

Skorokhvatov N.B.

Smirnov V.S.

Lamukhin A.M.

Sinev O.V.

Rosljakova N.E.

Trajno A.I.

Tjapaev O.V.

Dates

2004-12-20—Published

2003-05-07—Filed