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2 340 685

(13)

(51)

IPC

C21D9/04(2006-01-01)

C21D1/42(2006-01-01)

H05B6/02(2006-01-01)

(21) (22)

Application

2006136864/02, 2006-10-17

(24)

Start date

2006-10-17

(22)

Actual filing date

2006-10-17

(45)

Published

2008-12-10

(72)

Inventor

Levchenko Vladimir NikolaevichPykhtin Jakov MikhajlovichTaranenko Sergej Dmitrievich

(73)

Holder

Ukrainskij Gosudarstvennyj Nauchno-Tekhnicheskij Tsentr Po Tekhnologii I Oborudovaniju, Obrabotke Metallov, Zashchite Okruzhajushchej Sredy I Ispol'Zovaniju Vtorichnykh Resursov Dlja Metallurgii I Mashinostroenija

METHOD FOR THERMAL TREATMENT OF SHAPED SECTIONS OF TURNOUT BLADE Russian patent published in 2008 - IPC C21D9/04 C21D1/42 H05B6/02

Abstract RU 2340685 C2

FIELD: metallurgy.

SUBSTANCE: method of turnout blade includes elastic bending of profile by bump to end, sequential lengthwise of profile head induction heating for hardening, cooling and self-tempering. At sequential lengthwise of profile head induction heating for hardening capacity of induction heating is sequentially increased at increasing of sectional area of heated head or sequentially decreased at reduction of sectional area of heated head, holding lengthwise of profile uniform heating temperature of head for hardening.

EFFECT: homogeneous structure of head hardened case of profile head and increasing of uniform hardness on surface of profile head lengthwise profile.

7 cl, 1 ex

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RU 2 340 685 C2

Authors

Levchenko Vladimir Nikolaevich

Pykhtin Jakov Mikhajlovich

Taranenko Sergej Dmitrievich

Dates

2008-12-10—Published

2006-10-17—Filed