Aluminum Printruder Variation
thingiverse
This aluminum extruder design is based on Printruder II's, but with modifications to prevent filament kinking. The user opted for a custom-made head due to issues with the original design. It involves cutting various plates from 5mm and 10mm thick aluminum, followed by tapping bolt holes. A 626 ball bearing is placed on an idler base, capped with an idler cap using an M4 and M6 bolt. The extruder assembly includes a drive motor attached to the back plate, a worm gear on the drive shaft, and a hot end at the bottom. An adjustable 40mm long M4 bolt or thumb screw is used as an idler adjuster. Finally, the assembled extruder is mounted onto a printer with possible spacers for centering. The user enjoys printing after completing this extruder set-up.
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