B - Operations – Transporting – 23 – K
Patent
B - Operations, Transporting
23
K
B23K 26/14 (2006.01) B23K 26/16 (2006.01)
Patent
CA 2458982
The invention relates to a welding device (10), by means of a power laser beam (22), said device (10), being miniaturised and capable of a very close approach to the surface (52a) of the piece (52) for welding and reaching welding zones which are difficult to access without particles of the fused metal (56) being able to penetrate inside the device and mark the optical components (28,48,46). Said device is characterised in comprising a compressed-gas supply (26) to produce a primary gas flow (50), escaping from the front opening (20) with the laser beam (22) and further comprising a nozzle (60), which may be connected to a compressed-gas supply, said nozzle (60) producing a secondary gas flow (62) transverse to the front opening (20) and thus laterally diverting the primary gas flow (50).
L'invention propose un appareil de soudage (10) par faisceau laser de puissance (22), cet appareil (10) étant miniaturisé, cet appareil (10) étant susceptible d'être approché très près de la surface (52a) de la pièce (52) à souder et d'atteindre des zones de soudage difficilement accessibles sans que des vapeurs et particules de métal en fusion (56) puisse pénétrer à l'intérieur et maculer les composants optiques (28,48,46). Un tel appareil est remarquable en ce qu'il comporte une alimentation de gaz sous pression (26) susceptible de produire un flux de gaz primaire (50) ressortant par l'ouverture frontale (20) avec le faisceau laser (22), et en ce qu'il comporte également une buse (60) connectable à une source de gaz sous pression, cette buse (60) produisant un flux de gaz secondaire (62) balayant transversalement l'ouverture frontale (20) et déviant ainsi latéralement le flux de gaz primaire (50).
Aubry Pascal
Dubois Thierry
Hertmanowski Sophie
Launais Herve
Robic
Snecma
Snecma Moteurs
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