Method of producing a turbine rotor

Details Method of producing a turbine rotor Method of producing a turbine rotor

1988-05-10

1989-08-08

Goldberg, Howard N.

Metal working

Means to assemble or disassemble

Puller or pusher means, contained force multiplying operator

29447, 295271, 416241B, B21K 300, B23P 1500

Patent

active

048540250

ABSTRACT:
A method of producing turbine rotor having a including vane wheel made of ceramics, a ceramic shaft formed integrally with the turbine wheel, and a metallic shaft bonded to the ceramic shaft. The hardness of a part of or the whole part of a compressor wheel-fitting shaft portion of the metallic shaft is made smaller than that of a portion of metallic shaft apart from the compressor wheel-fitting shaft, said portion being located on the turbine vane wheel side. Thereby, slackening between the compressor wheel and the fitting shaft is avoided.

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