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...

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...

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...

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....

Extruder screw geometries

We found this interesting research on the relation of extruder screw geometries, melt viscosity and thermal efficiency. Highlights: •...

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...

Nozzle Package

With the installment of couplers and nozzles the quality of the output greatly improved. Since recycled plastics from household waste are...

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...

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...

Motor Feeder

The motor driven feeder arrived to tackle our feeding problems. Unfortunately, the included motor seems not suitable for integration...

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,...

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...