Hand held powder-fed laser fusion welding torch

Details Hand held powder-fed laser fusion welding torch Hand held powder-fed laser fusion welding torch

B - Operations, Transporting

23

K

B23K 26/14 (2006.01) F01D 5/00 (2006.01)

Patent

CA 2475402

A novel and inventive hand held powder-fed laser fusion welding torch (100) providing manual flexibility for laser welding with powder-fed material. The hand held laser includes a body (104), handle (102), and nozzle assembly. The nozzle may be shrouded by a cover (170) that is slightly spaced apart from the nozzle. The gap between the two may provide space through which inert gas may flow. Laser light from a remote source shines through the nozzle's central aperture. The nozzle aperture (144) may be circumscribed by powder channel outlets (148) aligned upon a working focal point coincident with the laser beam to treat a workpiece. A proximity sensor (220) may enable selective welding torch operation according to the presence of a workpiece.

L'invention concerne une nouvelle tête de soudage (100) par fusion au moyen d'un laser portable, alimentée par une poudre d'alliage possédant une souplesse de soudage au laser à l'aide d'une matière en poudre. Ledit laser portable comprend un corps (104), une poignée (102) et un ensemble buse. Ladite buse peut être coiffée par un couvercle (170) légèrement écarté de ladite buse. L'écart entre les deux peut fournir un espace à travers lequel un gaz inerte peut s'écouler. La lumière laser qui provient d'une source distante brille à travers l'ouverture centrale de ladite buse. L'ouverture de la buse (144) peut être circonscrite par des sorties (148) de canaux de poudre alignées sur un point focal de travail coïncidant avec le faisceau laser afin de traiter une pièce. Un capteur de proximité (220) permet une opération sélective de tête de soudage en fonction de la présence d'une pièce.

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