NOZZLE FOR POWDER BUILD-UP LASER WELDING

A nozzle for laser powder build-up welding, in particular, an annular powder channel for feeding powdery material into a processing region in front of the laser outlet opening, wherein the powder channel is designed in such a way that the angle included between the radially outer wall of the powder...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	JOKISCH, TORSTEN, PIEGERT, SEBASTIAN, KOHLHOFF, EIKE, PANEK, LUKASZ, STARKE, CHRISTOPH, ARJAKINE, NIKOLAI, BURBAUM, BERND
Format:	Patent
Sprache:	eng ; fre ; ger
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 nozzle for laser powder build-up welding, in particular, an annular powder channel for feeding powdery material into a processing region in front of the laser outlet opening, wherein the powder channel is designed in such a way that the angle included between the radially outer wall of the powder channel and the axis of the powder channel is constant or decreases in the direction of the material outlet opening at least in the region extending from the at least one material inlet opening to the material outlet opening is provided.