Clogged 3D Printer: Part 4

Jason did a great job on the nozzle, but after I had it up and printing (nicely), i noticed a trail of smoke coming from the PEEK barrel.  (Why the heck is it named that?)

image

I think I have the barrel too far up into the PEEK thingy, and the heat is heading up there and melting things.

Also, with the thermister dialed in for 140, the plastic was dripping freely … i suspect that things are MUCH hotter than they are registering at the moment.

I might need a secondary source to determine real temperature.  I wonder if my IR gun can get close enough for an accurate reading.

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