Extruder for Planetary Gearbox (Modded Airtripper's)
by piit79, published
This is a modification of Airtripper's Extruder for NEMA 17 stepper with a planetary gearbox (21 mm hole spacing) 2 tube attachment versions are available: -- M4 nut -- M5 Pneumatic push-fit adapter
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I printed in PLA with a 0.5mm nozzle, 0.2mm layer height, 100% fill.
You need: -- 2x M3x6 -- 3x M3x25 -- 2x M3 nut -- 2x M3 washer -- 2x M3x45 -- 2x spring or piece of rubber diesel pipe (see Airtripper's original) -- M4 nut or M5 pneumatic push-fit adapter
Please note, this version doesn't use a support bearing yet - I didn't have a small enough bearing to fit the narrower hole spacing and 8mm gearbox shaft. I will upload a revision soon.
Updated: added a version for M5 pneumatic push-fit adapter