FIELD: machine building.
SUBSTANCE: invention relates to the manufacture of impellers for a centrifugal rotary machine. Impeller is made for the centrifugal rotor machine that includes a disk-shaped main body having a front and a rear surfaces covering a disc having a front surface and a rear surface and spaced from the front surface of the main body, and blades attached to the front surface of the main body and connecting the main body to the covering disk. Side surfaces of the blades, the front surface of the body and the rear surface of the covering disc form flow passages for air compression. First, separate segments of the impeller are made, including one blade, a section of the main body and a corresponding section of the covering disk. Then, joining said segments together is carried out to form the impeller.
EFFECT: as a result, making the impeller is easy, fast and cheap.
13 cl, 6 dwg
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