METHOD, MACHINE TOOL AND COMPUTER PROGRAM FOR SENSING A WORKPIECE POSITION BY MEANS OF OCT

A method for processing a workpiece includes the steps of arranging the workpiece in a work space and guiding an OCT measurement beam of an optical coherence tomograph using a processing head so as to scan the workpiece, wherein the pose of the processing head in the work space and also the pose of...

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Bibliographische Detailangaben
Hauptverfasser:	STAMBKE, Martin, SPEKER, Nicolai, HERMANI, Jan-Patrick
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 method for processing a workpiece includes the steps of arranging the workpiece in a work space and guiding an OCT measurement beam of an optical coherence tomograph using a processing head so as to scan the workpiece, wherein the pose of the processing head in the work space and also the pose of the OCT measurement beam relative to the processing head are known. Distance measurement values of the optical coherence tomograph are determined during the scanning, which are used to determine at least one of the pose of the workpiece in the workspace, the presence of a workpiece in the workspace, the identity of the workpiece in the workspace, and the presence of a processing feature of the workpiece that was carried out on the workpiece in a previous processing step.