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different pellet printer ideas | hotmelt pump

Posted by DeepB 
different pellet printer ideas | hotmelt pump
June 27, 2017 09:30AM

I bought a 3d-Printer some time ago, and am now building another one.

I want to print using pellets instead of filament. I know of the pellet hotend options, mainly with an auger bit.
However theres a catch. I need to melt the pellets, then add non-meltable components, mix, and then pump it to the hotend.
The Melting and feeding I can think of a few ways to accomplish that.
But do you know of an (affordable) pump that can be used in 400°C (celsius, not fahrenheit)?
I thought of an all-metal gear pump, but any suggestions are welcome.

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