Paste Extruder Stepper Motor Printing Head
thingiverse
Introducing a novel peristaltic paste extruder, this experimental device uses a screw-driven design to pump various viscous substances. Check out the videos showcasing its capabilities with polymer blends and chocolate glazing. The 3D PDF file attached offers a detailed inspection of the pump's inner workings. For Makerbots and Mendel printers, a DXF file is provided for creating a laser-cut acrylic mounting plate. The CAD drawing highlights printable parts in yellow while other components include stock M6 threaded rods, nuts, washers, bearings, and a NEMA17 stepper motor. Peristaltic pumps may suffer from pulsing, but this design uses two elastic tubes to minimize the issue. The total cost for parts (excluding the stepper motor) is under 10 Euros, with instructions and a complete parts list forthcoming. Stay updated for further improvements and updates on this innovative paste extruder.
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