madest

yes the fan is going

Hello all, I recently got my hands on a CC nozzle along with some nylon 6 CF composite filament from Polymaker (PA6-CF). I have been having many extrusion problems with this filament, and I have no idea why. I had thoroughly cleaned the nozzle with cleaning filament, increased the temperature to the maximum recommended temp, increased and decreased the tension on the system, upgraded the firmware for what it was worth, and completely cleaned and oiled the feeders, in which I found quite a bit of said CF filament which I think is due from when I increased the tension. When printing with this filament, it will print for almost exactly four hours each time until I get an under-extrusion error of about 0.3 units under the minimum threshold. disabling the flow sensor results in a print where some parts of the print have been normally extruded, and others have only the first few layers that were successful. To me, this means that it is somewhat extruding, but it's spotty and works only about 1/4 of the time. When I remove the filament, it is obvious in some locations that it was ground in the feeder, but in others, it is relatively smooth. The only thing that will get the print working again is to abort it and then restart it. Doing so will result in a perfect print for four hours until it completely stops, and then nothing can get extruded again. During this print, I try unloading and reloading that filament, cutting off the ground parts of the material. It comes out of the hot end fine and has a good, smooth flow. But the instant that I resume the print, I get a flow error and am forced to abort the print. Any help would be greatly appreciated since I've tried to print this part about 20 times and it has never gotten past four hours out of a 12 hour print