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    External perimeter problem

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    • Fedekossel1undefined
      Fedekossel1
      last edited by

      Hello, I have a problem with my delta, I say that I did all the tests of the step mm E and many tests on the slicer but the situation does not change, I have problems of excessive material at the beginning of the perimeter even if I decrease the flow the result does not change. Is there any parameter where you can adjust this problem? I use a direct system. I noticed that the seam is very swollen.

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      • Phaedruxundefined
        Phaedrux Moderator
        last edited by

        Have you tuned pressure advance?

        https://duet3d.dozuki.com/Wiki/Pressure_advance

        Z-Bot CoreXY Build | Thingiverse Profile

        Fedekossel1undefined 1 Reply Last reply Reply Quote 0
        • botundefined
          bot
          last edited by

          At what layer heights, extrusion widths, and print speeds are you seeing this happen?

          *not actually a robot

          Fedekossel1undefined 1 Reply Last reply Reply Quote 0
          • Fedekossel1undefined
            Fedekossel1 @Phaedrux
            last edited by

            @Phaedrux Is it normal that activating the M572 command makes a strange noise? It's very annoying

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            • giostarkundefined
              giostark
              last edited by giostark

              Yep agree , more info please.
              Could be a calibration issue? The delta printers are specialized in produce uneven surfaces. Specially if geometries are not very well settled.
              When too close at the bed the nozzle accumulate pressure and when the nozzle rise all the material come released creating that effect. Is possible is happening to you? Have you tried to rotate the part on the bed for study symmetries ?
              If it happen only outside maybe is the radius wrong. As stated above it press in the center and release on the sides.

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              • Fedekossel1undefined
                Fedekossel1 @bot
                last edited by

                @bot In any case, you highlight the problem I have very swollen seams

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                • Fedekossel1undefined
                  Fedekossel1 @giostark
                  last edited by

                  @giostark I use smart effector leveling is very precise, I have a nozzle from 0.4 and use volcano

                  giostarkundefined 1 Reply Last reply Reply Quote 0
                  • Phaedruxundefined
                    Phaedrux Moderator
                    last edited by

                    Please post your config.g so we can see your speed settings.

                    The noise can be from the extra movement of the extruder when using pressure advance. But I can't say more without more details.

                    https://forum.duet3d.com/topic/5909/guide-for-posting-requests-for-help

                    Z-Bot CoreXY Build | Thingiverse Profile

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                    • giostarkundefined
                      giostark @Fedekossel1
                      last edited by

                      @Fedekossel1 said in External perimeter problem:

                      @giostark I use smart effector leveling is very precise, I have a nozzle from 0.4 and use volcano

                      Ok I misunderstand at all how the problem look like. SORRY. You write "beginning" . I don't know why I figured the whole length of the perimeter 😧 I'm drunk of tiredness,
                      So trying be more useful...
                      This happen after a retraction? Have you enabled "retraction at layer change"?Is something more like you would apply a negative "extra prime amount" after a retraction?
                      Look at this post if there is something similar or helpful for your case:
                      https://forum.duet3d.com/topic/14846/strange-blobbing-on-layer-change/14

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                      • Fedekossel1undefined
                        Fedekossel1 @giostark
                        last edited by

                        @giostark As soon as every perimeter that does at any height starts, the perimeter begins with too much material but only where the retraction begins, to better understand along the entire seam.

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                        • Fedekossel1undefined
                          Fedekossel1 @Phaedrux
                          last edited by

                          @Phaedrux Tomorrow morning I'll put all the necessary information

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                          • Fedekossel1undefined
                            Fedekossel1 @giostark
                            last edited by

                            @giostark That's right, I have the same blobs of this discussion that you linked to me

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