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Have you ever seen this type of print failure?
(lemmy.world)
Pretty sure I'm having heat creep up the Bowden tube, as it's getting jammed a few cm back from the hot end and then can't push the filament any more. When I get it out there's a little molten bulb at the filament.
In this fail, I think it jammed as usual and the extruder found a way to keep going.
I tried turning down the hot end from 215 to 200 and it's still failing. My cooling fan is running at 100%.
This is the third time I've had this print fail at about this layer, around 1 hour into what will be a 26 hour print.
Any ideas?
A lot of that slinky filament looks grounded or marked by the extruder gear. If it only happens on longer prints, ambient temperature might simply rise too much over time. Even the best extruder cooling fan can't help much if the ambient air is too hot.
I need to vent my enclosure when doing super long prints or when printing hotter stuff like PETG.