Status: version 1.9, in testing
View 3D CAD file: Extruder_NEMA23_V1.9.step - 3D view
Github repository: https://github.com/ProjectFabMX/FabMX_Extruder
BOM
| Item | Amount | Description | Source of supply | Comment |
|---|---|---|---|---|
| Extruder Screw | 1 | custom part, steel | ||
| Extruder Block | 1 | Holds barrel; integrated water cooling | custom part, steel | |
| Extruder Barrel | 1 | Screws into extruder block | custom part, steel | |
| Nozzle | 1 | Standard 3D printer nozzle; hardened | e.g. https://www.aliexpress.com/item/4000463888666.html | |
| NEMA 23 Stepper Motor with gear box | 1 | |||
| Shaft Coupler | 1 | Shaft Coupler 8mm to 10mm | e.g. https://www.aliexpress.com/item/4000002010204.html | |
| Heating Element | 1 | 230V heater spiral, ID=16mm, h=40mm | e.g. https://www.aliexpress.com/item/32629957364.html | wraps around barrel |
| Metal Housing | 1 | several laser cut aluminium parts | custom parts, aluminium, last cut | |
| Pellet Inlet | 1 | custom part, PLA, 3d printed | ||
| Temperature Sensor | 1 | |||
| M4 (?) threaded rod | 4 | Check size | ||
| M4 (?) nuts | 4 | Check size |
To run the extruder you will also need:
- PID controller for the heating element
- Water chiller
