Method of repairing turbine blades

Details Method of repairing turbine blades Method of repairing turbine blades

1988-08-05

1990-01-30

Eley, Timothy V.

Metal working

Means to assemble or disassemble

Puller or pusher means, contained force multiplying operator

2940208, 2940213, 2940216, B21K 304

Patent

active

048964085

ABSTRACT:
A method of repairing a turbine blade of the type wherein each of an array of blades has a tennon extending into a shroud passing around the outside of the blade, the repair being to the area of the blade in which the tennon is situated and comprises the steps of removing at least a part of the shroud, removing the damaged tennon and a part of the blade on which the tennon is situated, manufacturing a new tennon and blade part and locating that new part to at least one adjacent blade in a proper position while the new tennon and blade part is welded to the remaining part of the blade.

REFERENCES:
patent: 3230616 (1966-01-01), Janssen
patent: 4141124 (1979-02-01), Ryan
patent: 4285108 (1981-08-01), Arrigoni
patent: 4575911 (1986-03-01), Laszlo

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