FIELD: engines and pumps.
SUBSTANCE: gas turbine engine rotor comprises disc with axial seats made on disk rim for attachment of blades. Ring is fitted on one side of said rim. Ring has openings made in axial extension of said seats to receive said plug. Said plug consists of first half of the first wear-proof material and second half of second material. Plug one half thrusts on ring one side while another half rests on ring opposite side. Note here that both halves are communicated via hole. Another invention of proposed set relates to turbojet comprising front blower and drum of compressor of supercharging +at blower outlet that form said rotor. Ring is fixed to compressor drum while blower disc is bolted to the drum. One more invention relates to gas turbine rotor plug consisting of first half of the first wear-proof material and second half of second material.
EFFECT: uniform wear of blower blade root.
15 cl, 6 dwg
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