FIELD: machine building.
SUBSTANCE: invention relates to compressor engineering. Impeller, in which blades are connected with support ring, front and rear flanges, blade root pinched auger blade attachment. Method for fabrication of impeller includes cutting material of blades and support ring, front and rear flanges. Cutting blades with output of outside contour of liner material shaped limited butts on support ring, front and rear flanges. During pressing blades material extending beyond shank is stored in initial state. Workpieces are then placed in separator of mould for processing front flange and profile of support ring. Blade in cavity of separator, impregnated with binder and material is laid, extending beyond shank. Method includes placing in mould an elastic puncheon, layers of material are laid thereon for blade attachment and rear flange.
EFFECT: objective of invention is reduction of weight and improving strength of impeller.
5 cl, 9 dwg
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