Laser processing machine tool with optical film slice for eliminating dispersion field

The invention relates to a laser machining machine (1) with a focussing optic system (6), which brings about an intermediate focussing of the laser beam (4) in a beam guide chamber (5) and with an optical shutter (9) arranged in the vicinity of the intermediate focussing (ZF) for beam shaping of the...

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Bibliographische Detailangaben
Hauptverfasser:	N. HABERLE, M. GESCHWANDNER
Format:	Patent
Sprache:	chi ; eng
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:	The invention relates to a laser machining machine (1) with a focussing optic system (6), which brings about an intermediate focussing of the laser beam (4) in a beam guide chamber (5) and with an optical shutter (9) arranged in the vicinity of the intermediate focussing (ZF) for beam shaping of the laser beam (4), the shutter opening diameter being according to the invention ca. 1.2 to ca. 2.5 times larger than the 99 % beam diameter of the laser beam (4) with intermediate focussing.