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(19)

(11)

2 342 215

(13)

(51)

IPC

B21H1/06(2006-01-01)

B21K21/02(2006-01-01)

B21J5/00(2006-01-01)

B21J1/06(2006-01-01)

(21) (22)

Application

2006134138/02, 2006-09-25

(24)

Start date

2006-09-25

(22)

Actual filing date

2006-09-25

(45)

Published

2008-12-27

(72)

Inventor

Konjukhov Aleksandr VladimirovichKutepov Oleg NikolaevichProtsiv Jurij Vasil'Evich

(73)

Holder

Oao

METHOD FOR PRODUCTION OF ROLLED RING BLANKS FROM HIGH-ALLOY NICKEL ALLOYS Russian patent published in 2008 - IPC B21H1/06 B21K21/02 B21J5/00 B21J1/06

Abstract RU 2342215 C2

FIELD: technological processes.

SUBSTANCE: initial ring blank is produced with rectangular section. Specified cut length bar is thermally insulated by means of adhesion of two or three layers of asbestos cloth on its end and side surfaces and drying. Then heat-insulated bar is placed in furnace and is heated for upset. Upset is carried out in press with application of thermostat rings. Upset bar is pierced, after that it is paned or turned. Prepared initial ring blank is exposed to hot rolling. Then rolled blank is calibrated and thermally processed.

EFFECT: higher quality of prepared blanks due to elimination of crack formation during upset.

2 cl, 5 dwg

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RU 2 342 215 C2

Authors

Konjukhov Aleksandr Vladimirovich

Kutepov Oleg Nikolaevich

Protsiv Jurij Vasil'Evich

Dates

2008-12-27—Published

2006-09-25—Filed