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2 238 809

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Application

2003100674/02, 2003-01-08

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Start date

2003-01-08

(22)

Actual filing date

2003-01-08

(45)

Published

2004-10-27

(72)

Inventor

Garber Eh.A.Kuznetsov V.V.Lamukhin A.M.Shadrunova I.A.Trajno A.I.Stepanenko V.V.Diligenskij E.V.Nikitin D.I.Pavlov S.I.

(73)

Holder

Otkrytoe Aktsionernoe ObshchestvoOoo Metallurgicheskikh Protsessov"

METHOD FOR CONTINUOUS ROLLING OF THIN STRIPS ON MULTIPLE-STAND ROLLING MILL Russian patent published in 2004 - IPC

Abstract RU 2238809 C2

FIELD: manufacture of rolled products.

SUBSTANCE: method involves using mathematical model of deformation zone for determining length X_pl of plastic portion, length X_pl.lag of lagging zone on this plastic portion and ratio X_i thereof characteristic of position of neutral section at this portion; reducing front extension extent and increasing rear extension extent in each stand, beginning from first stand, and further in succession of stands at predetermined pitch; increasing reduction extent in first stands by reducing reduction extent in terminating stand; continuing this correction procedure until maximally possible approaching to X_i=X_max ratio is reached in maximally possible number of stands. Method may be used on multiple-stand wide cold rolling mills for manufacture of strips with high-quality surface.

EFFECT: provision for adequate purity of surface of thin cold rolled strips by operative correction of some parameters of rolling process.

7 tbl, 1 ex

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RU 2 238 809 C2

Authors

Garber Eh.A.

Kuznetsov V.V.

Lamukhin A.M.

Shadrunova I.A.

Trajno A.I.

Stepanenko V.V.

Diligenskij E.V.

Nikitin D.I.

Pavlov S.I.

Dates

2004-10-27—Published

2003-01-08—Filed