custom extruder gears
thingiverse
The small gear features a 2.5mm hole for attaching a M3 thread; alternatively, a flat M3 nut can be inserted into the slot if threading fails. The large gear has 39 teeth and accommodates an M8 hexagon head bolt, while the small gear has 11 teeth and a 5mm hole suitable for a NEMA17 engine. This work is still in progress. Software used includes Inventor 2012 Professional, Skeinforge44, Sprinter Firmware, and Pronterface Host. The text contains some German terms: 'klein' means small, while 'gross' translates to large. The Wade extruder is compatible with this design. Axial distance between gears measures 40mm.
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