20250178092. Method Calibratin (NIKON SLM SOLUTIONS AG): Difference between revisions
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Latest revision as of 03:54, 11 June 2025
A METHOD FOR CALIBRATING AN IRRADIATION DEVICE OF AN APPARATUS FOR PRODUCING A THREE-DIMENSIONAL WORKPIECE
Abstract: a method for calibrating an irradiation device of an apparatus for producing a three-dimensional workpiece is provided. the method comprises applying a first powder layer onto a carrier or onto a previously applied powder layer, irradiating the first powder layer with an irradiation beam along at least one first irradiation section, defining a first correction direction having an angle in a range from 70� to 110� with regard to the at least one first irradiation section, obtaining a first image of process radiation at locations where the irradiation beam impinges on the first powder layer during irradiation along the at least one first irradiation section, and determining, based on the first image, a correction value along the first correction direction for calibration of the irradiation device. further, an apparatus for producing a three-dimensional workpiece and a computer program product are provided.
Inventor(s): Christopher Stengel, Jan Wilkes
CPC Classification: B22F10/85 (WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER (making alloys by powder metallurgy ); APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER)
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