Method for attaching a rotor blade to an integrally bladed rotor

Details Method for attaching a rotor blade to an integrally bladed rotor Method for attaching a rotor blade to an integrally bladed rotor

1996-11-12

1998-05-26

Cuda, Irene

Metal working

Method of mechanical manufacture

Impeller making

29889721, 29889722, B23P 1500

Patent

active

057550310

ABSTRACT:
A method for replacing a rotor blade on an integrally bladed rotor having a disk is provided, comprising the steps of: (a) removing a damaged rotor blade, leaving a stub portion of the rotor blade extending out from the disk, the stub portion of the rotor blade having a suction side and a pressure side; (b) providing a die, having a pressure side and a suction side, wherein each side includes a platform trough; (c) fastening the die to the rotor blade stub, with the pressure side of the die positioned on the pressure side of the stub, and the suction side of the die positioned on the suction side of the stub; (d) extruding a portion of the rotor blade stub into the platform troughs, thereby creating a platform; and (e) attaching a rotor blade to the platform.

REFERENCES:
patent: 3574924 (1971-04-01), Dibble
patent: 3758347 (1973-09-01), Stalker
patent: 4063939 (1977-12-01), Weaver et al.
patent: 4784573 (1988-11-01), Ress, Jr.
patent: 4864706 (1989-09-01), Jenkel
patent: 4873751 (1989-10-01), Walker et al.

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