Turbine blade fitting apparatus and fitting method

Details Turbine blade fitting apparatus and fitting method Turbine blade fitting apparatus and fitting method

1998-06-30

2000-05-16

Cuda, I.

Metal working

Impeller making apparatus

2988921, B23P 1700

Patent

active

060618868

ABSTRACT:
A turbine blade fitting apparatus for fitting multiple turbine blades radially to a disc having multiple disc grooves formed in its periphery. A blade preassembly is made by preassembling multiple turbine blades into a ring by connecting together their tips. The fitting apparatus has a second pedestal for temporarily placing the blade preassembly so that the upper face of the blade preassembly is higher than the upper face of a disc supported horizontally on a first pedestal. The second pedestal is lowerably supported by compression springs. Base parts of the blades are completely fitted into the disc grooves by the blade preassembly being pushed downward by a pushing mechanism while being vibrated.

REFERENCES:
patent: 5257442 (1993-11-01), Tanaka et al.
patent: 5666724 (1997-09-01), Kolsun
patent: 5737816 (1998-04-01), Hartmann et al.

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