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(19)

RU

(11)

2 555 313

(13)

C2

(51)

IPC

B23K31/02(2006-01-01)

B23K9/32(2006-01-01)

B23K9/18(2006-01-01)

B23K9/16(2006-01-01)

B23K9/12(2006-01-01)

(21) (22)

Application

2012156585/02, 2012-12-26

(24)

Start date

2012-12-26

(22)

Actual filing date

2012-12-26

(45)

Published

2015-07-10

(72)

Inventor

Vycherov Aleksandr NikolaevichBobkov Vladimir Il'Ich

(73)

Holder

Otkrytoe Aktsionernoe Obshchestvo Ehnergomash Imeni Akademika V.P. Glushko"

AUTOMATIC WELDING OF FIXED CIRCULAR BUTTS IN LOCATED HORIZONTAL PLANE Russian patent published in 2015 - IPC B23K31/02 B23K9/32 B23K9/18 B23K9/16 B23K9/12 

Abstract RU 2555313 C2

FIELD: process engineering.

SUBSTANCE: invention relates to automatic welding of fixed circular butts in horizontal plane. Invention can be used for welding pipes of refractory material of the VNS-16-grade. Pipes are jointed. Made joint is fixed by squeezing along butt edges. Ply of activation flux AF-71 as the mix dissolved in ethanol is applied the surfaces of said edges. Tungsten electrode arc is fired and displaced along said edges. In preparation of the weld, 1 mm deep mark with the angle of edges opening making 45 degrees in made in the butt between pipes.

EFFECT: perfected process.

2 cl

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RU 2 555 313 C2

Authors

Vycherov Aleksandr Nikolaevich

Bobkov Vladimir Il'Ich

Dates

2015-07-10—Published

2012-12-26—Filed

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