Someone wanted to build a small and light gearbox for a stepper motor and increase torque for a direct drive extruder.
By: Janth, Link: http://www.instructables.com/i...
Bill of materials:
- 3* bearings 3mm inner diameter, 7mm outer diameter, 3mm height.
- 1* bearing 5mm inner diameter, 10mm outer diameter, 4mm height.
- 3* 3mm hexagon socket head screw 12mm long, with 12 washer and 3 nuts.
- 1* 5mm hexagon socket head screw 30mm long (but trimmed down) and 3 nuts (small height).
- 2* 3mm hexgon socket head screw 40mm long with 2 washers.
- NEMA17 stepper driver (5mm diameter axis)..- MK8 drivegear for 5mm axis.
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Planetary Gearbox for Nema17 Stepper motor
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