Why does my extruder grind up my filament?

Why does my extruder grind up my filament?

The reason your extruder is grinding up your filament can be due to reasons such as bad retraction settings, low temperature & underextrusion issues, damaged PTFE tubing, the feeder tension being too strong or a combination of a number of reasons. Depending on what the cause is, there will be a solution.

Why do I need a dual geared extruder?

As you can see, the filament is slightly backed up from the bump. The feeder being tension too strongly, or your filament being soft. Dual geared extruders are designed to tackle most of these problems, so even if your filament is bad quality, this extruder will power through as best as it can.

What’s the best retraction distance for an extruder?

A good range for your retraction distance to be at is between 5-10mm & your retraction speed between 25-40mm/s. Do some trial and error runs to see whether this fixes the problem.

Why is my extruder slipping on the floor?

Depending on how early the grinding of the filament happens, it could be caused by your extruder gear being affected by dust, dirt or rust. It stops your extruder working as effectively as it should and causes slipping.

What should the temperature be for grinding filament?

If you continue to encounter filament grinding, try to increase the extruder temperature by 5-10 degrees so that the plastic flows easier. You can do this by clicking “Edit Process Settings” and selecting the Temperature tab. Select your extruder from the list on the left and then double-click on the temperature setpoint you wish to change.

Why do I see plastic shavings on my printer?

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.

Why is my under extrusion not working properly?

Another reason can be the absorption of too much moisture by the filament. Some materials (especially PVA) are very sensitive to moisture and can lose quality when used or stored in a humid environment for too long. Correct handling and storage of the material are very important in this case.

What to do if your printer filament is grinding?

If it’s too tight, slightly loosen your extruder’s feeder (gear part) grip on the filament. Replace the PTFE tube: If your Bowden tube or hot end lining (often a PTFE tube) are compromising filament movement, you may need to replacing it. In any case, make sure it’s not bend or twisted.

Can a 3D printer get stuck with filament?

You may find filament stuck in the extruder of your Prusa MK3S+ or Anycubic 3D printer, but regardless of what machine you have, you can follow the tips in this article to fix the problem. If you can’t pull filament out of the extruder, you want to make sure your nozzle is heated to normal printing temperatures.

Why is my Ender 3 Pro extruder not working?

The Bowden can also start to restrict in the head where the cleat locks onto the tubing. Heat, plus continual flexing leads to the tube starting to kink. If you are getting flakes at the extruder gear mechanism, then you have a Bowden tube or HE issue.

How do you unscrew a PTFE extruder?

Wait till the hot-end reaches the desired temperature. Now squeeze the Extruder lever to the release the grip on the filament and pull out the first half of the filament if needed. Next, you can unscrew the PTFE tube attachment that goes into the extruder with the gears, then pull out the other half of filament.