NEMA 17 bowden extruder drive (Q41724)
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NEMA 17 bowden extruder drive
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emaker_io
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www.thingiverse.com
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https://spdx.org/licenses/GPL-3.0-or-later
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Based on Wade's extruder, with the X carriage mounting holes removed since this will be mounted on the Huxley frame instead. Also includes some other changes to take the bowden tube (3mm OD) and work with a 1.75mm diameter filament, driven by an M4 toothed brass insert. The gears are 9 and 53 tooth gears respectively, giving a ratio of nearly 5.9:1. I might try using a NEMA14 instead in future since the force required to push 1.75mm filament through the nozzle is a lot less than 3mm filament. The huxley_gears.scad file uses Greg Frost's involute gear script http://www.thingiverse.com/thing:3575 I'm not totally happy with how this mounts onto the frame yet, but it's useable (with a few zip ties) and running on my eMAKER Huxley prototype machine.
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en
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1.0.0
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auto
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thingiverse.com
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