EXTRUDER SYSTEM FOR ADDITIVE MANUFACTURING

An extruder system (100) for additive manufacturing is disclosed. The extruder system comprises: a heatable elongated barrel (24) having a nozzle (12) at a tip (122) thereof; and an extrusion screw (20) mounted coaxially and rotatably in the barrel, such that upon rotation of the screw in the barrel...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	MESHORER, YISHAI, VASILEVSKI, ALEXANDER
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 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:	An extruder system (100) for additive manufacturing is disclosed. The extruder system comprises: a heatable elongated barrel (24) having a nozzle (12) at a tip (122) thereof; and an extrusion screw (20) mounted coaxially and rotatably in the barrel, such that upon rotation of the screw in the barrel an additive manufacturing building material is advanced in the barrel towards the tip; the screw having therein an axial bore (11) configured for receiving at least one elongated mechanical member (13) for controllably varying at least one of an amount and a type of material extruded through the nozzle.