FIELD: manufacture of hollow blade of unit of stator or rotor.
SUBSTANCE: between two mutually opposite lateral walls of blade ate least one rigidity carrying member is mounted. Said rigidity member is joined from outside at least with one wall of blade by laser welding. T-shaped joint is formed between wall of blade and rigidity member.
EFFECT: enhanced strength and rigidity of welded joint of rigidity member with blade wall, improved strength and rigidity of the whole blade.
9 cl, 2 dwg
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