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Extruder grinding on the A1

Out of the box, my A1 had problems printing. The reason for this turned out to be the extruder, as there was insufficient pressure on the filament to grip it, instead the extruded gear was just grinding away at the filament. I found that if I used some weight to constantly apply pressure, the printing was fine!


Thanked by 1Tamara

Comments

  • Samuel PinchesSamuel Pinches Posts: 1,884Administrator
    Here is a close up photo of the extruder: 
  • Samuel PinchesSamuel Pinches Posts: 1,884Administrator

    What you want to do is to replace the top screw. Currently it is fully inserted - this is supposed to be adjustable so that the extruded pressure can be controlled. You need to replace this screw with a longer one, and this will enable you to screw it in further, resulting in a higher extruder pressure:


  • Samuel PinchesSamuel Pinches Posts: 1,884Administrator
    This fixed my filament grinding problem on my JGAurora A1 3D printer.
  • TamaraTamara Posts: 1Member
    This was super helpful, thank you!!

    I do still need to try it but it sounds / looks like this might work!
  • Samuel PinchesSamuel Pinches Posts: 1,884Administrator
    No worries :smiley:
    let me know if it fixes it for you!
  • Richy_TRichy_T Posts: 85🌟 Super Member 🌟
    Strange. This has not been an issue for me at all. I have used a few different filaments too.
  • QuackoQuacko Posts: 4Member
    edited April 2
    Hmmm, isn't it possible to increase the tension on the filament by turning down the screw?
    Post edited by Samuel Pinches on
  • Samuel PinchesSamuel Pinches Posts: 1,884Administrator
    Yep, except on mine out of the box the screw they had was too short.
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