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2 487 002

(13)

(51)

IPC

B23P6/00(2006-01-01)

B23H1/00(2006-01-01)

F02B77/02(2006-01-01)

(21) (22)

Application

2011140101/02, 2011-10-03

(24)

Start date

2011-10-03

(22)

Actual filing date

2011-10-03

(45)

Published

2013-07-10

(72)

Inventor

Shibakov Vladimir GeorgievichGaliev Rafis KashfelovichKhabibullin Rifat GabdulkhakovichKulakov Aleksandr TikhonovichDenisov Aleksandr SergeevichGafijatullin Askhat Asadullovich

(73)

Holder

Federal'Noe Gosudarstvennoe Bjudzhetnoe Obrazovatel'Noe Uchrezhdenie Vysshego Professional'Nogo Obrazovanija Gosudarstvennaja Inzhenerno-Ehkonomicheskaja Akademija"

METHOD OF REPAIRING ICE CRANKSHAFT JOURNALS HARDENED BY NITRIDING Russian patent published in 2013 - IPC B23P6/00 B23H1/00 F02B77/02

Abstract RU 2487002 C2

FIELD: process engineering.

SUBSTANCE: invention relates to repair of parts, in particular, ICE crankshafts. Part is machined to preset repair sizes and layer hardened by nitriding is removed from the journal by spark erosion machining to the depth of 0.4 mm. Then the journal is tempered by HF current, ground to repair size and finished.

EFFECT: higher durability, longer life.

3 dwg

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RU 2 487 002 C2

Authors

Shibakov Vladimir Georgievich

Galiev Rafis Kashfelovich

Khabibullin Rifat Gabdulkhakovich

Kulakov Aleksandr Tikhonovich

Denisov Aleksandr Sergeevich

Gafijatullin Askhat Asadullovich

Dates

2013-07-10—Published

2011-10-03—Filed