METHOD FOR PRODUCING THREE-DIMENSIONAL MOLDED OBJECT

According to a several embodiment, provided is a method for manufacturing a molded object, including a material preparing step to prepare a material powder obtained by removing carbon from medium carbon steel or high carbon steel until a carbon content is 0.1 mass % or less, a molding step to form a...

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Bibliographische Detailangaben
Hauptverfasser:	ARAIE, Ichiro, NAMBU, Kazufumi
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:	According to a several embodiment, provided is a method for manufacturing a molded object, including a material preparing step to prepare a material powder obtained by removing carbon from medium carbon steel or high carbon steel until a carbon content is 0.1 mass % or less, a molding step to form a desired molded object by a lamination molding method repeating the steps of: a recoating step to uniformly spread the material powder on a molding table to form a material powder layer; and a sintering step to irradiate a predetermined portion of the material powder layer with a laser beam to form a sintered layer; and a carburization step to subject the molded object to carburization after the molding step is performed.