METHOD OF MANUFACTURING 3-DIMENSIONAL MODEL OBJECT USING RESIN GRANULAR MATERIAL, 3-DIMENSIONAL MODEL OBJECT AND RESIN GRANULAR MATERIAL

A method of manufacturing a 3-dimensional model object by a powder bed fusion method using a resin granular material, in which the resin granular material comprises a resin powder (A) and a flow aid (B), a sphericity of the resin powder (A) is 80 or more and 100 or less, the resin powder (A) has a D...

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Bibliographische Detailangaben
Hauptverfasser:	Nakamura, Tomohiko, Asano, Itaru, Iwata, Hirokazu, Okuno, Yota
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 AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING PERFORMING OPERATIONS SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS TRANSPORTING WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Beschreibung
Zusammenfassung:	A method of manufacturing a 3-dimensional model object by a powder bed fusion method using a resin granular material, in which the resin granular material comprises a resin powder (A) and a flow aid (B), a sphericity of the resin powder (A) is 80 or more and 100 or less, the resin powder (A) has a D80 particle size of 60 μm or less and a D20 particle size of 1 μm or more, the flow aid (B) is contained at an amount of more than 0.01 part by mass and less than 5 parts by mass with respect to 100 parts by mass of the resin powder (A), and steps (a) to (c) are performed in this order repeatedly.