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2 511 156

(13)

(51)

IPC

B23P6/02(2006-01-01)

B24B1/00(2006-01-01)

(21) (22)

Application

2012143643/02, 2012-10-11

(24)

Start date

2012-10-11

(22)

Actual filing date

2012-10-11

(45)

Published

2014-04-10

(72)

Inventor

Chernyshev Viktor PavlovichUchkin Pavel Grigor'EvichShakhov Vladimir Aleksandrovich

(73)

Holder

Uchkin Pavel Grigor'Evich

METHOD FOR INCREASING SERVICE LIFE OF CYLINDER OF PD-10M DOUBLE-FLOW INTERNAL COMBUSTION ENGINE Russian patent published in 2014 - IPC B23P6/02 B24B1/00

Abstract RU 2511156 C1

FIELD: engines and pumps.

SUBSTANCE: invention relates to part restoration industry and can be used at repair of a cylinder of PD-10M double-flow internal combustion engine. Restoration is performed by means of an internal grinding method in two stages on an internal grinding machine with further honed finishing based on additional repair size Dp.p₃=74.25^+0.030 mm. Rough grinding is performed at the first stage, and finish grinding is performed at the second stage. Processing modes for the above grinding and honed finishing operations are described.

EFFECT: providing regular geometry of a restored cylinder and maintaining strength properties of its walls.

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RU 2 511 156 C1

Authors

Chernyshev Viktor Pavlovich

Uchkin Pavel Grigor'Evich

Shakhov Vladimir Aleksandrovich

Dates

2014-04-10—Published

2012-10-11—Filed