Tag Archives: extruder

Playing around with a heated chamber design.

For quite some time I have lusted after a 3D printer with the following specifications: A 20x20x15cm build area A heating print bed A heated build chamber (ambient to 100C) to possibly eliminate warping. A respectable print resolution and speed … Continue reading

Posted in A Reprap Project | Tagged , , , , , , , , , , , | 5 Comments

Nurdle extruder collection spool.

I am currently very close to having a working Nurdle to filament extruder. So now some way of collecting the hot freshly extruded filament is required. My first thought was to automate an existing cable spindle so that it slowly rotates to … Continue reading

Posted in DIY Granular extruding | Tagged , , , , | 15 Comments

Nurdle Extruder problem solving.

The Nurdle Extruder is still slowly progressing. Just to reiterate, the purpose of this extruder is to take food grade HDPE nurdles and produce a 3mm filament which can be spooled for later use on a geared reprap extruder. As … Continue reading

Posted in DIY Granular extruding | Tagged , , , , , | 10 Comments

Gearing down the granular extruder.

It was recently questioned by Giles Bathgate as to why I don’t use the AC motor to drive the auger in the granular extruder. My first response was that I couldn’t adjust its speed and it would be difficult to gear down. However after some more time … Continue reading

Posted in DIY Granular extruding | Tagged , , , | 4 Comments

Granular HDPE Extruder – More photos.

I pulled apart the extruder today to take a look inside and I also made a few measurements of the extruded filament.  The filament has swelled a little, but not as much as I thought. The die diameter is 2mm and … Continue reading

Posted in DIY Granular extruding | Tagged , , , | 1 Comment

Granular HDPE Extruder V3 – Success.

After my previous failings at using using solder to cap an extruder barrels open end I have now turned to brazing. The solder method may have worked but it turns out I don’t have any high temperature solder and it was just … Continue reading

Posted in DIY Granular extruding | Tagged , , , , , , | 12 Comments

Granular extruder, good news and bad.

I did some testing this afternoon on the granular extruder I recently put together. Things didnt go so well.. It turns out that the ‘high temperature’ solder I used to seal the end wasn’t up to the task. I first tried to … Continue reading

Posted in DIY Granular extruding | Tagged , , , | 2 Comments