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1 582 494

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IPC

(21) (22)

Application

4458806/27, 1988-07-12

(22)

Actual filing date

1988-07-12

(45)

Published

1994-10-15

(72)

Inventor

Dokashev V.V.Gejkin V.A.Verigin A.M.Smirnova G.I.Barinov V.V.Nojkin V.A.Novikov S.A.

DEVICE FOR WELDING ROTOR WHEELS OF GAS-TURBINE ENGINES Russian patent published in 1994 - IPC

Abstract SU 1582494 A1

FIELD: welding. SUBSTANCE: supporting rings are fitted on holders 3 and 4. Segment rims 1 are fitted on rod members 13 and 14 of locks to thrust against bearing cylindrical surfaces 9. Inserts 12 are installed in slots made in form of semicylinders. Segments are finally set in position by means of rod member 15 and are fixed by cups 6. Butt-joints of segments in fixed position are tack-welded by electron beam in vacuum chamber, rod members are brought out and then welding of inclined longitudinal butt-joints of segments is carried out, with seams being started and ended on inserts 12. EFFECT: enhanced quality owing to higher accuracy of assembling. 2 dwg

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SU 1 582 494 A1

Authors

Dokashev V.V.

Gejkin V.A.

Verigin A.M.

Smirnova G.I.

Barinov V.V.

Nojkin V.A.

Novikov S.A.

Dates

1994-10-15—Published

1988-07-12—Filed