FIELD: processes and devices for welding-on combs of labyrinth seals of turbomachine blades, possibly in aircraft making industry branch, power machine engineering.
SUBSTANCE: method comprises steps of arranging blades of turbomachine in position that provides easy feed of welding head to them; placing plates between combs of labyrinth seals and tack welding blades of turbomachines with plates for creating single unit; forming slits in plates at sides of combs of labyrinth seals; in said single unit realizing automatic argon-arc welding-on by means of non-consumable electrode while performing impulse feed of additive wire of combs of labyrinth seals of blades.
EFFECT: improved efficiency, high quality and stability of welding on process.
3 cl, 3 dwg
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