Motor Mount Extruder
by paenian, published
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An extremely versatile direct-drive extruder for a nema 17 motor.
It can be mounted as a bowden extruder (clamp included) or directly to a Wade-compatible or i3 x carriage.
Uses m3 hardware for motor mounting and clamp, and can use either a 623 or 625 bearing - both versions are uploaded.
Uses an mk7 drive gear, I got mine here: http://twelvepro.com/index.php?route=product/product&path=61&product_id=51
Allows full access to the idler teeth, even while printing - with tension adjust exposed as well.
The clamps are meant for use on a Graber i3 printer - so they use 6-32 English hardware. I prefer to use the clamp to mount the extruder, rather than the extruder with the i3 mount built in.
The bowden mounts are meant for use with the E3d hotend - their bowden tube pushfits have been drilled out, so the tube can pass all the way through - there is a hole for the tube to enter the extruder, and make sure that your filament is 100% guided.
WHY another extruder?
1) it fits on a motor
2) it's modular - can adapt to wade or i3 mounts, bowden or wade
3) Minimal part count
4) Easy access to drive gear, you can even clean while printing!
5) Fully guided filament path
6) Super clamping power!
Print WITHOUT support - all necessary supports are built-in with onionskin, and all cylinders are capped for easy printing.
I usually use a .2mm height; the onionskin will work fine up to .3mm layer heights, but beyond that you might need to edit the scad.
PARTS - needed for every version
3 6mm or 8mm m3 socket cap screws
1 20mm m3 screw
1 m3 nut
PARTS - m3 idler
1 14mm m3 screw
1 m3 nut
1 623zz bearing
Parts - m5 idler
1 14mm m5 screw
1 m5 nut
1 625zz bearing
Parts - groovemount
2 6mm or 8mm m3 screws
2 m3 nuts
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Motor Mount Extruder by paenian is licensed under the Creative Commons - Attribution license.
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- You must attribute (give credit) to the creator of this Thing.
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