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Direct granules extruder

The video about the direct granules extruder

...is under construction.

First prototypes

Grunle extruder, first prototype
Figure 1:
Waste plastics has to be shred into granules. The size of the granules is an important property of the raw material for an extruder. Here I have shred PLA using a blender.
PET from old plastic bottles is another source of material that is currently part of my first test series.
Grunle extruder, first prototype
Figure 2:
With a first prototype I wanted to find out...
Grunle extruder, first prototype
Figure 3:
...if my simple home made extrusion screw works...
Grunle extruder, first prototype
Figure 4:
...and that's what it does!
Grunle extruder, first prototype
Figure 5:
Next step is integrating an extruder into an existing 3D printer mechanics. I am using a Zonestar P802 Series.


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