Tête de soudage au laser à buse améliorée

A laser welding head is claimed comprising a nozzle (10) with an outlet diameter (d) that is very much reduced. In the case of a carbon dioxide laser with a focal length of 150 mm this diameter (d) would be 2.5 mm. The nozzle (10) has an internal surface (11) that is conical with a half angle (a) at...

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Bibliographische Detailangaben
Hauptverfasser:	ZANOLIN GERARD, LOUIS, GOUTINES MARIUS, JEAN-MARIE, LOREAU JEAN-YVES
Format:	Patent
Sprache:	fre
Schlagworte:	CLADDING OR PLATING BY SOLDERING OR WELDING CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR PERFORMING OPERATIONS SOLDERING OR UNSOLDERING TRANSPORTING WELDING WORKING BY LASER BEAM
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Beschreibung
Zusammenfassung:	A laser welding head is claimed comprising a nozzle (10) with an outlet diameter (d) that is very much reduced. In the case of a carbon dioxide laser with a focal length of 150 mm this diameter (d) would be 2.5 mm. The nozzle (10) has an internal surface (11) that is conical with a half angle (a) at its summit of 15 degrees. It presents an outlet zone with a radius (r) that is almost double the diameter (d), with a value of 4 mm in the case of the laser cited above. The inner surface (11) of the nozzle (10) has a surface state at least as good as a value of 0.8 Ra.