FIELD: mechanical engineering.
SUBSTANCE: invention can be used in members of rotor of compressors of gas-turbine engines, namely, in blade fastening units. According to invention, stage of axial-flow compressor of gas-turbine engine is provided with blade rims of impeller and ring band made in form of support load-bearing ring whose outer part is made of composition material and inner part, of metal. Inner metal ring is provided with splines for fastening roots of blade tail section by means of webs with mating splines.
EFFECT: improved reliability of lock.
2 dwg
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