Metal Gear System Extruder
Release status: Working
| Description | Nema 17 Extruder Drive with metal gears
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| License | GPLv3
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This is an extruder drive that gears a Nema 17 stepper down using machined gears. Accepts many hotends that are mounted by groovemount.
| Quantity | Description | Type | Comments |
|---|---|---|---|
| 1 | Module 0.5 gear with 80 teeth | Gears | Maedler Item no. 21108000 ; needs set screw added |
| 1 | Module 0.5 gear with 14 teeth | Gears | Conrad item 213918 |
| 1 | Module 0.5 gear with 20 teeth | Gears | Conrad item 213977 ; drives the filament |
| 1 | 608 bearing | Bearings | |
| 2 | 625 bearings | Bearings | |
| 1 | M8x20 grub screw | Hardware | For idler, alternatively use a piece of 20mm M8 threaded rod |
| 1 | M4x60 Hex head | Hardware | |
| 1 | M5x40 | Hardware | Gear shaft, use a grindstone to make a flat side |
| 1 | M4 wing nut | Hardware | |
| 2 | Washer A5,3 | Hardware | |
| 3 | M3x10 | Hardware | Motor mount |
| 2 | M3x20 | Hardware | X carriage mount |
| 1 | M3x25 | Hardware | Hinge mount |
| 3 | M3 nut | Hardware | |
| 3 | Spring | Spring | You will need a fairly strong spring (about 40-50N) that fits on a M4 bolt and is about 12-15mm long. |
