Paste Extruder—Hardware Add-On for Desktop 3D Printers
AbstractThis paper presents the design, development and testing of a paste/clay extrusion device intended to be used as a drop-in replacement for the conventional thermoplastic extruder of a desktop filament-based 3D printer. A plastic cylinder loaded with gel, paste or clay material is placed into the device. Feedstock is pressed through an extrusion nozzle by a piston driven by an electrically actuated drive-screw and nut mechanism. The device allows the build material to heat up to 80 °C. Forced air cooling is used to assist the cooling or hardening process of the freshly-printed material during fabrication. The feedstock container, nozzle, and material-loading process are all suitable for use in a sterile environment. The device is designed for seamless integration with existing 3D printing firmware and slicing software. After designing the device, a prototype was produced and installed on a 3D printer. Silicone and acrylic polymers, as well as dental gel, were used to fabricate 3D printed sample objects. View Full-Text
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Amza, C.G.; Zapciu, A.; Popescu, D. Paste Extruder—Hardware Add-On for Desktop 3D Printers. Technologies 2017, 5, 50.
Amza CG, Zapciu A, Popescu D. Paste Extruder—Hardware Add-On for Desktop 3D Printers. Technologies. 2017; 5(3):50.Chicago/Turabian Style
Amza, Catalin G.; Zapciu, Aurelian; Popescu, Diana. 2017. "Paste Extruder—Hardware Add-On for Desktop 3D Printers." Technologies 5, no. 3: 50.
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