Fostruder H4 - Dual Drive Extruder
thingiverse
Dual motor, dual drive bowden extruder utilizes two NEMA14 motors and two drive gears. Two motors are wired to run in opposite directions, and can be connected in series or parallel. Wiring the motors in series on a 24V printer and parallel on the 12V printer is preferred, but it depends on the motors and drivers used. Two screws adjust the gap between the gears, or small springs provide constant tension. Springs can be purchased online at banggood.com. The parts used include: * Two 0.8A NEMA14 Motors available at robotdigg.com * Two stainless steel extruder gears from s.click.aliexpress.com/e/YBMjQZV * A bowden coupler from robotdigg.com * M3 screws (two M3x20, four M4x30 socket cap screws) More information on dual drive bowden extruders is available at thrinter.com. Printed in Atomic Filament Ruby Red PETG.
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