PRINT HEAD AND METHOD FOR ADDITIVELY MANUFACTURING A COMPONENT BY MEANS OF MOLTEN METAL

A printhead (1) for printing molten metal for additive manufacturing of a component includes a nozzle component (10) having a nozzle outlet opening (12), a piston (14; 14a) that ejects the molten metal through the nozzle outlet opening (12), an actuator assembly (16; 16a) having an actuator, and a b...

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Bibliographische Detailangaben
Hauptverfasser:	LEUSCH, Oliver, HIMMEL, Benjamin, MIKLEC, Christian, GLASSCHRÖDER, Johannes, LANG, Andreas, OTTER, Martin
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 CASTING MAKING METALLIC POWDER MANUFACTURE OF ARTICLES FROM METALLIC POWDER PERFORMING OPERATIONS POWDER METALLURGY TRANSPORTING WORKING METALLIC POWDER
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Beschreibung
Zusammenfassung:	A printhead (1) for printing molten metal for additive manufacturing of a component includes a nozzle component (10) having a nozzle outlet opening (12), a piston (14; 14a) that ejects the molten metal through the nozzle outlet opening (12), an actuator assembly (16; 16a) having an actuator, and a biasing element. By actuating the actuator, the piston (14; 14a) is movable in an actuation direction (y) from an extended position to a retracted position, in which a first piston end (18) that faces the nozzle outlet opening (12) is farther away from the nozzle outlet opening (12) than in the extended position. The biasing element (26; 26a) biases the piston (14; 14a), at least when it is located in the retracted position, back toward the extended position.