Category Archives: DIY Granular extruding

Granular HDPE Extruder – More photos.

Posted on July 7, 2010 by Richard

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 →

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Granular HDPE Extruder V3 – Success.

Posted on July 6, 2010 by Richard

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 →

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Granular extruder, good news and bad.

Posted on July 6, 2010 by Richard

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 →

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Granular HDPE Extruder Rebuild

Posted on July 5, 2010 by Richard

From reading other peoples blog’s it appears the best extruder is one that has a sharp transition zone from hot to cold. On the Mendel this is achieved most often with a hollow cylinder of PTFE to act as a thermal barrier. Unfortunately … Continue reading →

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