Processing of metal articles

Details Processing of metal articles Processing of metal articles

1989-12-15

1991-11-12

Albritton, C. L.

Electric heating

Metal heating

By arc

21912178, B23K 2600

Patent

active

050649906

ABSTRACT:
A method is described for the separation of metal articles from surplus metal by the use of a laser. The articles may be cast or wrought. Several examples are given of gas turbine engine components being separated from a gating system by the use of a YAG laser. Benefits include lack of heat generation and, therefore, little or no distortion in the article.

REFERENCES:
patent: 4100393 (1978-07-01), Luther
patent: 4870244 (1989-09-01), Copley et al.
Patent Abstracts of Japan, vol. 5, No. 203 (M-103), Dec. 23, 1981; and JP-A-56 119 371 (Toshiba Corp.) 09/18/1981.
Technica, vol. 10, 1984, pp. 80-86, Zurich, CH; K. Herbert: "Trennverfahren fur dunne Bleche," and translation of pp. 83-86.
Laser und Optoelektronik, vol. 1, No. 3, Sep. 1985, pp. 282-290, Stuttgart, DE; E. Beyer et al.: "Schneiden mit Laserstrahlung," and translation og pp. 283-284.

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