Cartesian Printer – Extruder Design

Added a few extra details to the extruder system. The linear bearings are igus plastic bushings. The shafts are 12mm in diameter and made from aluminium which weighs less then an 8mm steel rod and has a higher rigidity.

Concept Extruder Idea 2

The aluminium shafts give a much better friction coefficient then steel with plastic linear bearings.

 

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