METAL DROP EJECTING THREE-DIMENSIONAL (3D) OBJECT PRINTER WITH A THERMALLY INSULATED BUILD PLATFORM TRANSLATIONAL MECHANISM

A three-dimensional (3D) metal object manufacturing apparatus has a volume of thermally insulative fluid in which a X-Y translation mechanism moves to position a platform opposite an ejector head. The apparatus also includes a housing having an internal volume in which the platform and X-Y translati...

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Bibliographische Detailangaben
Hauptverfasser:	Herrmann, Douglas K, Sambhy, Varun
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 CASTING OF METALS CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES MAKING METALLIC POWDER MANUFACTURE OF ARTICLES FROM METALLIC POWDER PERFORMING OPERATIONS POWDER METALLURGY TRANSPORTING WORKING METALLIC POWDER
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Beschreibung
Zusammenfassung:	A three-dimensional (3D) metal object manufacturing apparatus has a volume of thermally insulative fluid in which a X-Y translation mechanism moves to position a platform opposite an ejector head. The apparatus also includes a housing having an internal volume in which the platform and X-Y translation mechanism are located. The thermally insulative fluid is a molten salt, such as a molten fluoride, chloride, or nitrate molten salt. The thermally insulative layer protects the X-Y mechanism while the housing helps keep the surface temperature of the object being formed on the platform in an optimal range for bonding of melted metal drops ejected from the ejector head to a surface of a metal object being formed on the platform.