CALIBRATION METHOD OF PLURALITY OF SCANNERS IN AN ADDITIVE MANUFACTURING APPARATUS

A method for determining an attribute of an additive manufacturing apparatus including a plurality of scanners, each scanner including beam steering optics for directing a corresponding radiation beam to a working plane in which material consolidated in layers. The method may include controlling the...

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Bibliographische Detailangaben
1. Verfasser:	BROWN, Ceri
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ADDITIVE MANUFACTURING TECHNOLOGY ADDITIVE MANUFACTURING, i.e. MANUFACTURING OFTHREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVEAGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING,STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING CASTING MAKING METALLIC POWDER MANUFACTURE OF ARTICLES FROM METALLIC POWDER PERFORMING OPERATIONS POWDER METALLURGY SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS TRANSPORTING WORKING METALLIC POWDER WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Beschreibung
Zusammenfassung:	A method for determining an attribute of an additive manufacturing apparatus including a plurality of scanners, each scanner including beam steering optics for directing a corresponding radiation beam to a working plane in which material consolidated in layers. The method may include controlling the beam steering optics of a pair of the scanners wherein a first scanner of the pair directs a radiation beam to form a feature in the working plane. The feature is within a field of view of a detector of the second scanner of the pair, the detecting radiation from the working plane is collected by the beam steering optics of the second scanner. Further including recording at least one detector value with the detector of the second scanner for the field of view and determining an attribute of the additive manufacturing apparatus from a comparison of the detector value with an expected detector value.