Solder Dispenser on QH4-4402
thingiverse
Solder dispenser/extruder built around a QH4-4402 unipolar stepped motor, sourced from regular office printers, featuring an electronics compartment and a hole for potentiometer integration. Equipped with mounting holes for 3mm OD teflon tubing. **Part Preparation:** The motor comes pre-equipped with a small brass gear that requires hand grinding to convert its teeth into a triangular profile. Multiple mounting points are present; simply remove any unused ones using a flush cutter. **Parts Used:** - 1 x QH4-4402 unipolar motor - 1 x Potentiometer - 2 x 3mm OD teflon tubing - 1 x 5.5x17mm spring - 1 x M3x25 screw - 2 x M3x8 screws - 8 x M2.5 self-tapping screws
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