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direction the drive gear spins. If the filament is unable to move, yet the drive gear
keeps spinning, it can grind away enough plastic from the filament so that there
is nothing left for the gear teeth to grab on to. Many people refer to this situation
as the filament being “stripped,” because too much plastic has been stripped
away for the extruder to function correctly. If this is happening on your printer, you
will typically see lots of small plastic shavings from the plastic that has been
ground away. You may also notice that the extruder motor is spinning, but the
filament is not being pulled into the extruder body. We will explain the easiest way
to resolve this issue below.
10.1 Increase the extruder temperature
If you continue to encounter filament grinding, try to increase the extruder
temperature by 5-10 degrees so that the plastic flows easier. Please read “Cure
Tutorial” or “Anet3D printer Control Panel Instructions” to learn how to set
extruder temperature. Plastic will always flow easier at a higher temperature, so
this can be a very helpful setting to adjust.
10.2 Print too fast
If you continue to encounter filament grinding, even after increasing the
temperature, then the next thing you should do is decrease the printing speed.
By doing this, the extruder motor will not need to spin as fast, since the filament
is extruded over a longer period of time. The slower rotation of the extruder motor
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