FIELD: fusion welding, namely manual powder supplied torch for laser welding, possibly used for repairing turbine nozzles.
SUBSTANCE: in order to provide flexibility of process of manual laser welding, ducts for feeding powder are formed in jet of torch. Outlet axes of ducts are coincided with working focal spot arranged just near central opening of jet. Laser irradiation from remote source passes through central opening of jet.
EFFECT: improved design of torch for manual laser welding.
10 cl, 8 dwg
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