Thingiverse
ArmDrive Bowden Extruder
door ChiggerPepi
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The ArmDrive is a 1.75mm filament bowden extruder, designed to work with the NEMA 17 stepper motor. It mounts directly to any OpenBeam or equivalent sized (15mm) extrusion. With the complimentary mounting bracket, it can also be attached at a 90° angle. The optional bracket is located here: https://www.thingiverse.com/thing:2353189
The MK7 and MK8 versions are each designed to work best for those particular drive gears, or gears with similar dimensions.
The extruder is designed to be robust and reliable, while using as much easy to find hardware as possible.
These files are the result of a surprisingly large amount of work, I hope you find they work as well for you as they do for me.
Enjoy!
__________________________________________
Update - January 6th 2015
Revision 2
* Slightly increased the diameter of the post holding the 608ZZ bearing to reduce play and allow more clearance around the outside of the bearing near the swivel shaft area.
The MK7 and MK8 versions are each designed to work best for those particular drive gears, or gears with similar dimensions.
The extruder is designed to be robust and reliable, while using as much easy to find hardware as possible.
These files are the result of a surprisingly large amount of work, I hope you find they work as well for you as they do for me.
Enjoy!
__________________________________________
Update - January 6th 2015
Revision 2
* Slightly increased the diameter of the post holding the 608ZZ bearing to reduce play and allow more clearance around the outside of the bearing near the swivel shaft area.
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