PRINTER UNIT FOR A 3D-PRINTING APPARATUS AND METHOD

A printer unit (100) for a 3D-printing apparatus. The printer unit comprises a printer head (105) comprising a nozzle (110) arranged to deposit printing material from the printer unit, a pressure sensor (120) configured to sense a pressure exerted on the printer head from the printing material, and...

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Bibliographische Detailangaben
Hauptverfasser:	KETTELARIJ, Hendrik, Jan, TSANG, Peter, Tjin, Sjoe, Kong, KROES, Hans
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:	A printer unit (100) for a 3D-printing apparatus. The printer unit comprises a printer head (105) comprising a nozzle (110) arranged to deposit printing material from the printer unit, a pressure sensor (120) configured to sense a pressure exerted on the printer head from the printing material, and a control unit (130) coupled to the pressure sensor. The control unit is configured to control the speed of the printer head based on a transfer function from the pressure sensed by the pressure sensor to a desired speed of the printer head, in order to maintain a constant deposition of the amount of printing material per length unit of deposited printing material.