Thingiverse
![Alpha Direct Drive Extruder by engineglue](/previews/8871195.jpg)
Alpha Direct Drive Extruder by engineglue
by Thingiverse
Last crawled date: 3 years, 1 month ago
This is my design for a direct drive extruder. I included the Sketchup file if you want to modify it for a Bowden.
It uses the following components:
Printed extruder body
Printed idler
Kysan 1040230 geared stepper motor
Hyena 8mm hobbed pinion
3x M3x10 bolts (for mounting to motor)
1x M3x50 bolt (idler tension adjustment)
1x M3 nut (idler tension)
1x spring
1x M4x20 bolt (bearing shaft)
1x 624ZZ bearing (idler bearing)
2x M4 washer (for bearing)
1x M3x20 bolt (idle pivot point)
As you can see from the photos and supply list; this is a minimal design. You can use M4 bolts and nuts to mount it. It mounts to a standard aluminum mounting plate.
It uses the following components:
Printed extruder body
Printed idler
Kysan 1040230 geared stepper motor
Hyena 8mm hobbed pinion
3x M3x10 bolts (for mounting to motor)
1x M3x50 bolt (idler tension adjustment)
1x M3 nut (idler tension)
1x spring
1x M4x20 bolt (bearing shaft)
1x 624ZZ bearing (idler bearing)
2x M4 washer (for bearing)
1x M3x20 bolt (idle pivot point)
As you can see from the photos and supply list; this is a minimal design. You can use M4 bolts and nuts to mount it. It mounts to a standard aluminum mounting plate.
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