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Nozzle isolation
By adding simple isolation around the nozzle we managed to increase the nozzle temperature from 60 up to 170 degree. Definitely one of...
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Household waste PE/PP
After many months of developing and testing to master the PE/PP material from household waste, our gathered data indicate that we will...
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Nozzle tips
Since the extruders end had an unusual external thread size for attaching nozzles, we decided to remove the end and replace it with a...
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Extruder Splitting Zones
Earlier we announced a large upgrade of the extruder. One major challenge was to increase the amount of heating zones from 2 to 4....
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Extruder screw geometries
We found this interesting research on the relation of extruder screw geometries, melt viscosity and thermal efficiency. Highlights: •...
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Cleaning purge
Since the extruder is an oldy, it was about time to give it a good clean. For maintenance of the barrel we used cleaning purge. Purging...
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Nozzle Package
With the installment of couplers and nozzles the quality of the output greatly improved. Since recycled plastics from household waste are...
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PE/PP Testing v2
In PE/PP Testing v1 the layer height was set between 5 – 8 mm, resulting in thick round layers. The material has less surface for cooling...
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Extruder Frame
To vertically hold the extruder in place a standard was built. This enables to attach the extruder to the robot more easily. After...
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Motor Feeder
The motor driven feeder arrived to tackle our feeding problems. Unfortunately, the included motor seems not suitable for integration...
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Extruder Upgrade 2 Finished!
The upgrade of the extruder has been finalized. Big thanks to Rohaco! The extruder set-up is now separated from the controlling unit,...
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First Testing
The first tests with the extruder are executed. All is working well, however there is still a lot of work to do before the extruder can...
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