Laser welding device

Details Laser welding device Laser welding device

1990-12-17

1992-09-15

Albritton, C. L.

Electric heating

Metal heating

By arc

21912184, B23K 2600

Patent

active

051479990

ABSTRACT:
The laser welding device is used for welding or coating workpieces. The device includes a nozzle for feeding powder to the operating area of a workpiece for melting within a laser beam directed onto the workpiece. The axis of the laser beam and the axis for the direction of movement of the laser beam on the surface of the workpiece, as well as an axis mutually perpendicular to the two axes, define a coordinate system having an origin at the point of incidence (EL) of the laser beam on the surface of the workpiece. A controllable and adjustable device maintains the positions of the nozzle largely constant in the coordinate system even when the relative movement of the laser beam and the workpiece are complex. This enables weld joints and welded-arm layers of a complex form and a largely homogenous quality to be produced.

REFERENCES:
patent: 4182299 (1980-01-01), Earle
patent: 4835357 (1989-05-01), Schalk

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