Laser machining method

Details Laser machining method Laser machining method

1987-08-24

1988-04-12

Albritton, C. L.

Electric heating

Metal heating

By arc

219121LY, B23K 2600

Patent

active

047376139

ABSTRACT:
Air diffuser openings are machined in hollow gas turbine blades. The blade is supported in alignment with a laser machining beam and rotatable around several perpendicular axes. It is simultaneously rotated about both axes whereby a substantially hourglass shape is machined out of the blade. The root of the hourglass shape may thereafter be enlarged.

REFERENCES:
patent: 4197443 (1980-04-01), Sidenstick
patent: 4288680 (1981-09-01), Roder
patent: 4317023 (1982-02-01), Gryskiewicz
patent: 4501949 (1985-02-01), Antol et al.
patent: 4555610 (1985-11-01), Polad et al.

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