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2 470 722

(13)

(51)

IPC

B21B1/22(2006-01-01)

(21) (22)

Application

2011129273/02, 2011-07-14

(24)

Start date

2011-07-14

(22)

Actual filing date

2011-07-14

(45)

Published

2012-12-27

(72)

Inventor

Trajno Aleksandr IvanovichGarber Ehduard AleksandrovichRusakov Andrej DmitrievichDegtev Sergej Sergeevich

(73)

Holder

Uchrezhdenie Rossijskoj Akademii Nauk Institut Metallurgii I Materialovedenija Im. A.A. Bajkova Ran

METHOD OF STRIP ROLLING Russian patent published in 2012 - IPC B21B1/22

Abstract RU 2470722 C1

FIELD: process engineering.

SUBSTANCE: proposed method comprises consecutive reduction of flat billet in driven rolls of continuous set of stands with interstand tension. Reduction in braking effect to motors of next stand is ensured by that in, at least, one stand of said set, rolling is carried out in idle rolls wit relative reduction of not over 30% and at specific front tension making 0.4-0.9 of strip material yield point. Rolling at said continuous set may be performed at sequential alternation of stands with drive and idle rolls. Besides, strip reduction in stand with driven rolls is performed with roughness, at least 1.5 mcm Ra, while, in stands with idle rolls, roughness does not exceed 0.8 mcm Ra.

EFFECT: reduction in braking effect to motors of next stand.

3 cl, 2 tbl, 1 ex

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RU 2 470 722 C1

Authors

Trajno Aleksandr Ivanovich

Garber Ehduard Aleksandrovich

Rusakov Andrej Dmitrievich

Degtev Sergej Sergeevich

Dates

2012-12-27—Published

2011-07-14—Filed