GAS FLOW MONITORING IN ADDITIVE MANUFACTURING

A method of controlling an additive manufacturing process in which a directed energy source is used to selectively fuse powdered material to form a workpiece, in the presence of a gas flow, the method including: using at least one gas flow sensor to generate at least one gas flow measurement; and co...

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Bibliographische Detailangaben
Hauptverfasser:	ORTNER, JONATHAN WILLIAM, SHEALY, JAMES HARDING, GOLD, SCOTT ALAN
Format:	Patent
Sprache:	eng ; fre
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 APPARATUS SPECIALLY ADAPTED THEREFOR CASTING CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY MAKING METALLIC POWDER MANUFACTURE OF ARTICLES FROM METALLIC POWDER MATERIALS THEREFOR ORIGINALS THEREFOR PERFORMING OPERATIONS PHOTOGRAPHY PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES,e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTORDEVICES PHYSICS POWDER METALLURGY TRANSPORTING WORKING METALLIC POWDER
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Beschreibung
Zusammenfassung:	A method of controlling an additive manufacturing process in which a directed energy source is used to selectively fuse powdered material to form a workpiece, in the presence of a gas flow, the method including: using at least one gas flow sensor to generate at least one gas flow measurement; and controlling at least one aspect of the additive manufacturing process in response to the at least one gas flow measurement. Un procédé de commande dun procédé de fabrication additive dans lequel une source dénergie dirigée est utilisée pour fusionner sélectivement le matériau en poudre pour former une pièce à travailler, en présence dun flux de gaz, le procédé comprenant : lutilisation dau moins un capteur découlement de gaz pour générer au moins une mesure découlement de gaz; et la commande dau moins un aspect du procédé de fabrication additive en réponse à ladite mesure découlement de gaz.