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Simple bowden extruder for geared Nema 17

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  • Block.STL
  • Geared_motor_clamp.STL
  • Lever.STL
  • Simple_extruder_mount.STL

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Publication date 2022-11-22 at 13:48
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Published to Thingiverse on: 2015-12-13 at 15:23
Design number 932427

3D printer file info

3D model description

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.

3D printing settings

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