Process and apparatus for welding or heat treating by laser

Details Process and apparatus for welding or heat treating by laser Process and apparatus for welding or heat treating by laser

1993-05-25

1995-12-26

Paschall, Mark H.

Electric heating

Metal heating

By arc

21912164, 21912173, 21912175, 21912177, B23K 2600, B23K 2606

Patent

active

054789834

ABSTRACT:
Method and apparatus for welding, cutting, surface machining or heat treating workpieces by a laser beam which includes providing an optical element in the path of the laser beam to modify the pattern of the laser beam such that different geometric patterns can be projected on the focal plane, and this beam pattern spans at least the width of the heat treatment, cutting, surface machining or welding zone on the workpieces.

REFERENCES:
patent: 4760236 (1988-07-01), Stoll
patent: 5055653 (1991-10-01), Funami et al.
patent: 5194711 (1993-03-01), Gaukroger

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