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Solder Dispenser on QH4-4402
by Smoria
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Solder dispenser/extruder based on QH4-4402 unipolar stepped motor from regular office printers with electronics compartment and hole for potentiometer. Contains mounting holes for 3mm OD teflon tubing.
**Part Preparation:**
Motor comes with small brass gear, you must hand grind it's tooths to triangle profile.
Part has multiple mounting points, just remove unused ones with flush cutter.
**Parts used:**
- 1x QH4-4402 unipolar motor
- 1x Potentiometer
- 2x 3mm OD teflon tubing
- 1
**Part Preparation:**
Motor comes with small brass gear, you must hand grind it's tooths to triangle profile.
Part has multiple mounting points, just remove unused ones with flush cutter.
**Parts used:**
- 1x QH4-4402 unipolar motor
- 1x Potentiometer
- 2x 3mm OD teflon tubing
- 1
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