Laser beam apparatus for machining a workpiece

Details Laser beam apparatus for machining a workpiece Laser beam apparatus for machining a workpiece

1997-07-23

1999-08-17

Evans, Geoffrey S.

Electric heating

Metal heating

By arc

21912163, 21912167, B23K 2600

Patent

active

059389532

ABSTRACT:
A device for machining a workpiece, for example by welding or cutting, a machining laser beam which passes through a channel in a laser machining head. An observation channel is provided in the laser machining head through which rays from the workpiece pass. A component of the rays from a specific geometrical region of the workpiece is deflected through the observation channel to a detector mounted on the laser machining head.

REFERENCES:
patent: 3781121 (1973-12-01), Gross
patent: 4126351 (1978-11-01), Drenker
patent: 4772772 (1988-09-01), Juptner et al.
patent: 4924063 (1990-05-01), Buchel et al.
patent: 5155328 (1992-10-01), Ikawa
patent: 5463202 (1995-10-01), Kurosawa et al.
patent: 5674415 (1997-10-01), Leong et al.
patent: 5698120 (1997-12-01), Kurosawa et al.

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