Gearstruder J4 - Dual Drive Extruder
cults3d
Minimal primary housing for use with Printrbot Gearhead drive gears, 1.75mm filament, and a NEMA14 motor. The primary gear is inserted from the side, and the additional M3 screws or setscrews hold the gear in place and adjust the tension. It's designed to utilize a bowden coupler from RobotDigg. Be sure the setscrew doesn't protrude on the secondary drive gear, particularly if using a motor without a D-shaft. Filament is Emerald Green PETG from Atomic Filament. There is also a NEMA17 version and information about several other dual drive bowden extruders I've just uploaded on thrinter.com.
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