DEVICE FOR POSITION CONTROL OF A LASER MACHINING BEAM

A device for the position control of a laser machining beam relative to topographical structural markers in surfaces of workpieces, includes a control mechanism, a laser beam feed mechanism for providing a laser machining beam, and a laser beam positioning mechanism, and an optical recognition mecha...

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Bibliographische Detailangaben
Hauptverfasser:	VAN AALST, Jan, BÖNKE, Andreas, SIEBEN, Manuel
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING 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 SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS SOLDERING OR UNSOLDERING TRANSPORTING WELDING WORKING BY LASER BEAM WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Beschreibung
Zusammenfassung:	A device for the position control of a laser machining beam relative to topographical structural markers in surfaces of workpieces, includes a control mechanism, a laser beam feed mechanism for providing a laser machining beam, and a laser beam positioning mechanism, and an optical recognition mechanism for the structural markers with an illumination mechanism for producing a parallel beam bundle, which illuminates the surface with the structural markers to be recognized in a scanning field, and a camera detecting the scanning field for recording the beam bundle, which is reflected by the surface and changed by the structural markers, wherein the camera image can be evaluated by the control mechanism to recognize the position of the structural markers and for the corresponding position control of the laser machining beam.