FIELD: mechanical engineering.
SUBSTANCE: tip (300) of the rotor shaft for a gas turbine, containing: a disc-shaped main part (310) defining: the first axial surface (312), the second axial surface (314) and the outer radial surface (316), the disc-shaped main part (310) contains: the first annular ratchet (330) provided on the first axial surface (312), the first annular ratchet (330) contains a set of teeth (332) protruding from the first axial surface (312); the set of holes (340) defined by the disc-shaped main part (310), each hole (342, 344, 346) of the set of holes (340) passes through the disc-shaped main part (310) in the axial direction (30).
EFFECT: invention provides a reduced cost and improved balancing.
15 cl, 12 dwg
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