Hi everyone, is there anyone experienced with printing using nGen_FLEX without having the filament jammed in the nozzle? I’m printing using Flash Forge Creator Pro with extrusion temp of 250oC (the advised temperature from ColorFabb is 240-260). The printing speed was reduced to 10 m/s (because it was jammed) (advised was 40-60 m/s). Do you guys have any suggestions? Cheers!
Do you need help un-jamming it or how to print it without jamming?
Hi yes sorry forgot to mention I need help on how to print it without jamming since their advised parameters still result in jamming. Cheers!
Does the plastic come out of the nozzle at all or does it jam?
It did come out at the start of the printing process. When it reached around 50% done, then it was jammed…
Try going to 260 for the extruder.
Have you changed your extruders for an all-metal set, such as the Micro Swiss kit? If not, those high of temperatures are likely warping the teflon lining in the heat-break section of the hotend. If they warp, they can cause filament jams. I agree with the others on trying higher temperatures for the extrusion, but keep an eye out for warping the teflon lining pieces – 260 is starting to push the limits of teflon. If you search out the temperature limits for teflon online, everything you read says it starts to deteriorate at 260. And I don’t know how flexible that 260 limit is.
If you’re printing at 250 have you upgraded your stock hot end to an all metal one? The stock hot end uses a ptfe tube which could melt / warp at those temps contributing to jams. I had same issue printing w petg. Upgrading to all metal hot end solve my issues and only have to print at 236 now. I also replaced extruder fans after a year of printer use.
I’ll try using all metal! Thank you for the tips!
Yeah I’m afraid that 260 will end up breaking it even more… There have been two suggestions on changing to all metal so I will try that! Thank you!
