PLASTICIZING DEVICE AND THREE-DIMENSIONAL MODELING APPARATUS

A plasticizing device includes a screw having a groove formation surface with a groove and rotating around a rotation axis, a barrel having an opposed surface opposed to the groove formation surface in a direction along the rotation axis, with a communication hole for the plasticization material, a...

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Bibliographische Detailangaben
Hauptverfasser:	HASHIMOTO, Taki, NAKAMURA, Kazuhide
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 plasticizing device includes a screw having a groove formation surface with a groove and rotating around a rotation axis, a barrel having an opposed surface opposed to the groove formation surface in a direction along the rotation axis, with a communication hole for the plasticization material, a heater heating the material supplied, and a case housing the screw, wherein a first through hole communicating with the groove from an opposite surface to the groove formation surface and surrounded by a wall surface is formed in the screw, the material is supplied to the groove through a supply path and the first through hole, and a space is provided between an entrance of the first through hole and a material feed port provided in a terminal end portion closer to the screw of a terminal end of the supply path in the direction along the rotation axis.