4 Attachment(s)
Extruder Not Gripping Filament/Filament Won't Extrude If it's Been Sitting
I am doing some dual extrusion prints, and I am running into a 2-part problem.
The first problem is that the extruder is not gripping the ABS filament enough. If I push up on the lever, it will extrude like it should. Here's a couple photos showing what I mean:
On the left is my normal priming move which runs into the problem of under extrusion. On the right is when I push up on the lever that holds my filament.
Also attached is my starting gcode.
Attachment 8415
Attachment 8412Attachment 8413
The problem only gets worse when the filament has been sitting for a short period of time. One extruder will be in use and the other will sit there for a minute.
When it switches, absolutely nothing will come out. Once some filament has come out, it will do fine. I tried retracting 10 mm when not in use, but that didn't help, and I tried a prime tower and that didn't work either.
Unless I babysit the printer, these problems consistently come back like this:
Attachment 8414
Several layers of white are missing. Those are the ones where I was not taking care of the it.
The red seems to do better because that filament is not sitting there waiting as long.
My setup:
- FF Creator Pro
- 1.75 mm ABS that came with the printer
- Temp: 230 C
- Bed: 230 C