EXTRUSION NOZZLES, METHODS, AND SYSTEMS FOR THREE-DIMENSIONAL PRINTING

Technologies are generally described for an extrusion nozzle of a 3D printing system that allows deposition and rapid solidification of a resin layer on a non-uniform substrate surface in order to form a 3D printed article of various shape and size. The extrusion nozzle may include a center tube tha...

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Bibliographische Detailangaben
1. Verfasser:	Bromer Nicholas Sheppard
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:	Technologies are generally described for an extrusion nozzle of a 3D printing system that allows deposition and rapid solidification of a resin layer on a non-uniform substrate surface in order to form a 3D printed article of various shape and size. The extrusion nozzle may include a center tube that facilitates a flow of resin through the center tube to deposit the resin layer on the substrate surface. A second tube may surround the center tube such that a first annular space between the center tube and the second tube is vacuum-insulated to maintain the resin at a constant temperature as it flows through the center tube and is deposited. A third tube may surround the second tube, and guide a deposition of a cooling gas onto the deposited resin layer through a second annular space between the second tube and the third tube to rapidly solidify the resin layer.