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2 573 165

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(51)

IPC

B24B39/02(2006-01-01)

B23P15/22(2006-01-01)

(21) (22)

Application

2014139643/02, 2014-09-30

(24)

Start date

2014-09-30

(22)

Actual filing date

2014-09-30

(45)

Published

2016-01-20

(72)

Inventor

Skvortsov Vladimir FedorovichArljapov Aleksej Jur'EvichBoznak Aleksej OlegovichFedotov Vjacheslav Sergeevich

(73)

Holder

Federal'Noe Gosudarstvennoe Avtonomnoe Obrazovatel'Noe Uchrezhdenie Vysshego Obrazovanija Issledovatel'Skij Tomskij Politekhnicheskij Universitet"

METHOD OF PROCESSING HOLLOW CYLINDERS Russian patent published in 2016 - IPC B24B39/02 B23P15/22

Abstract RU 2573165 C1

FIELD: chemistry.

SUBSTANCE: method includes making collars at the ends of cylinders; mandrelling a cylinder opening with allowance of not less than 5% of the diameter thereof; performing axial plastic extension of the cylinder with deformations of 1…2.5%; mandrelling a cylinder opening with allowance of up to 1% of the diameter thereof.

EFFECT: high accuracy of openings in cylinders and generating residual compression stress in cylinders.

2 dwg

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RU 2 573 165 C1

Authors

Skvortsov Vladimir Fedorovich

Arljapov Aleksej Jur'Evich

Boznak Aleksej Olegovich

Fedotov Vjacheslav Sergeevich

Dates

2016-01-20—Published

2014-09-30—Filed