ADDITIVE MANUFACTURING APPARATUS AND FLUID FLOW MECHANISM

An additive manufacturing (AM) apparatus is provided, having a build unit including a powder delivery mechanism, a powder recoating mechanism, and an irradiation beam directing mechanism. The AM apparatus further includes a build platform and a fluid flow mechanism that includes an inlet body formin...

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Bibliographische Detailangaben
Hauptverfasser:	Ostroverkhov, Victor Petrovich, Carter, Jr., William Thomas, Hayden, Christopher James
Format:	Patent
Sprache:	eng
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 CASTING MAKING METALLIC POWDER MANUFACTURE OF ARTICLES FROM METALLIC POWDER PERFORMING OPERATIONS POWDER METALLURGY TRANSPORTING WORKING METALLIC POWDER
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Beschreibung
Zusammenfassung:	An additive manufacturing (AM) apparatus is provided, having a build unit including a powder delivery mechanism, a powder recoating mechanism, and an irradiation beam directing mechanism. The AM apparatus further includes a build platform and a fluid flow mechanism that includes an inlet body forming an inlet plenum and a collector body extended from the inlet body. The collector body forms a collector plenum in fluid communication with the inlet plenum. The collector body forms an outlet opening, wherein the outlet opening is positioned proximate to the an inner portion of the build platform. The outlet opening is configured to provide a flow of fluid toward an outer portion of the build platform.