DIY Paste Extruder (work in progress)
thingiverse
Simple paste extruder crafted from sturdy MDF, precision-milled with a CNC. Initial tests have yielded promising results when extruding sugar icing, a sign of what's to come. The road ahead is paved with trial and error, and calibration of nozzles will be essential. To ensure the machine can withstand the forces applied by the motor, I'm contemplating replacing the MDF components that are prone to wear and tear. Two options are on the table: 3D printing these parts or fabricating them from plywood or aluminum. CNC Files & Instructions Attached are the SVG files required for cutting out the CNC components. Please note that a critical oversight in Makercam has led to the omission of mount holes for the Nema17 motors; I recommend adding drilling definitions to rectify this. To assemble the extruder, you'll need to mill "extrude_movable_ends" twice. The files have been designed with 10mm MDF plates and a 3mm diameter bit in mind. Supplemental parts include: - 4 x 230mm 8mm rods - 1 608 bearing - 4 x LM8UU 8mm Linear Bushing for the movable part/slider - 1 8mm threaded rod - 1 M8 bolt for the sliding axis - 1 NEMA 17 motor - Several M6 and M5 nuts and bolts
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