Simple bowden extruder for geared Nema 17 by Stargrove1 3d model
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Simple bowden extruder for geared Nema 17 by Stargrove1

Simple bowden extruder for geared Nema 17 by Stargrove1

by Thingiverse
Last crawled date: 3 years, 1 month ago
Just another MK8 bowden extruder, this one is for a geared Nema17 stepper motor with the ratio 5.18:1. It was designed for a Rostock Mini Pro with minimal parts to print.
Parlist:
1 x Nema17 geared stepper
1 x MK8 drive gear
3 x M3 x 23mm screws
1 x M4 x 12mm screw
1 x Ball bearing 11mm x 4mm x 4mm
1 x Bowden tube fitting M5
1 x Strong spring ~ 25-30mm x 7mm (force at the bearing ~60N with my setup, needs to be reduced a bit)
Also included, a fixture to mount it at the smooth rods of a Rostock Mini if used in this combination, further M3 screws required.

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