System and method for laser welding

Details System and method for laser welding System and method for laser welding

1997-07-28

1999-09-14

Mills, Gregory

Electric heating

Metal heating

By arc

21912114, 21912184, B23K 2614

Patent

active

059518898

ABSTRACT:
A system and method for laser welding. The joint edges of two adjacent sheet metal components are brought into butting relationship on a weld line. A welding head is moved along the weld line while directing a laser welding beam downwardly from its optics to the weld line where it creates a weld joint. In its path downwardly to a focal point at the weld line the beam passes through a stream of air directed transversely of the beam, a shield plate below the stream of air and above the weld line, and a nitrogen filled zone below the shield and above the weld joint.

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