Single Folded Ascender Extruder (Worm Gear Extruder)
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15:1 1M worm gear extruder. Remix of annex engineering double folded ascender.
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Model information
- Source
- Printables
- Category
- Other Printer Parts & Upgrades
- License
- Creative Commons — Attribution — Noncommercial — Share Alike
https://github.com/Annex-Engineering/ANNEX-Engineering-License-Agreement
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Mostly putting it here for my reference/people to see. Used my spare parts so it's not easy to build your own. You probably need to mod this to use different bearing/roller. Does use standard bmg gear.
- 2 od 8mm and 1 od 9mm bearings for the main shaft
- 1mm spacer for the main shaft
- 13mm roller from titan extrder
Overall cost is around $20 from aliexpress.
- bmg - $4
- worm gear set - $12
- shaft - $5
- also need additional bearings etc
When assembling, move the stepper up and down so that there is a tiny bit of slack (as little as possible). When fully pressed, mine started binding. Not sure if it's gear quality or not. Also apply lots of lube. Put a wash between stepper and mount on one side to fine tune as needed.