Extruder

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 th...

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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 no...

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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 mor...

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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. Splitt...

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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: • Rad...

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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 t...

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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 weldin...

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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 with...

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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, mak...

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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 b...

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