METHOD AND SYSTEM FOR REDUCING WAVINESS IN THREE-DIMENSIONAL PRINTING

A method of printing a three-dimensional object, comprises: for each of a plurality of arrays (122) of nozzles, activating a subset of nozzles of the array to dispense a respective building material from the subset, so as to form an interleaved scan pattern (508) of dispensed materials. The method c...

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Bibliographische Detailangaben
Hauptverfasser:	SINWANI, Omer, FONSHTEIN, Daria, DEKEL, Karin, RUMBAK, Mayan
Format:	Patent
Sprache:	eng ; fre
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 printing a three-dimensional object, comprises: for each of a plurality of arrays (122) of nozzles, activating a subset of nozzles of the array to dispense a respective building material from the subset, so as to form an interleaved scan pattern (508) of dispensed materials. The method comprises hardening the interleaved scan pattern, and repeating the activating and the hardening to form a stack of hardened interleaved scan patterns. L'invention concerne un procédé d'impression d'un objet tridimensionnel qui consiste : pour chaque réseau d'une pluralité de réseaux (122) de buses, à activer un sous-ensemble de buses du réseau pour distribuer un matériau de construction respectif à partir du sous-ensemble, de façon à former un motif de balayage entrelacé (508) de matériaux distribués. Le procédé consiste à durcir le motif de balayage entrelacé, et à répéter l'activation et le durcissement pour former un empilement de motifs de balayage entrelacés durcis.