| 摘要 |
<p>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).</p> |
