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Old 17-07-2019, 07:38 AM

JA is offline
Join Date: Oct 2016
Location: Melbourne, Australia
Posts: 1,700
Originally Posted by bojan View Post
After ~ 1km of printed filament, the PTFE insert shrunk a bit and ceased to be slippery on part that is exposed to high temperature inside hot block (~240C)...
240C is a big ask even for the king of high temperature slippery plastics, not even considering the the pressure and shear forces it might be under inside the head. Still 1km is a lot of printing!!! Keep it up.

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