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    pres. adv, or non lin. extrusion - what to calibrate first?

    Tuning and tweaking
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    • CaiJonas
      CaiJonas last edited by

      Hi what are your experience with calibration pressure advance and non linear extrusion? I first calibrated pressure advance and after a while I calibrated non linear extrusion, but then I had regions with underextrusion. So I disabled pressure advance and left the non linear extrusion paramters as they were before and the print results are much better and very good in my opinion.

      What do you recommend? Should I also recalibrate pressure advance or isn't it nessesary when the non linear extrusion is calibrate correct?

      Best Regards
      Cai

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      • Phaedrux
        Phaedrux Moderator last edited by

        How did you calibrate them?

        Z-Bot CoreXY Build | Thingiverse Profile

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        • CaiJonas
          CaiJonas last edited by

          for pressure advance https://forum.duet3d.com/topic/6698/pressure-advance-calibration

          for non linear extrusion https://forum.duet3d.com/topic/5588/non-linear-extrusion/22

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          • Lakko
            Lakko last edited by

            is there a preference order?

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            • dc42
              dc42 administrators last edited by

              It shouldn't make much different which order you calibrate them in, but if you intend to use nonlinear extrusion then I suggest you calibrate that one first.

              Duet WiFi hardware designer and firmware engineer
              Please do not ask me for Duet support via PM or email, use the forum
              http://www.escher3d.com, https://miscsolutions.wordpress.com

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              • Tinchus
                Tinchus last edited by

                Hello. Sorry for this question: Im looking for information about non linear extrusion calibration. I have found 2 different spreadsheets that seems to be used for calculation of the parameters to be used.
                But I haven't found a procedure to do this calibration nor what is the correct spreadsheet to use. I have references about moving the carriage while calibrating, but it is not clear to me how should the measurements be done, what kind of printing moves do, etc.
                Can someone please clarify this calibration to me?
                Thanks in advance

                Phaedrux 1 Reply Last reply Reply Quote 0
                • Phaedrux
                  Phaedrux Moderator @Tinchus last edited by

                  @Tinchus Yes the extrusion needs to happen on a combined XY move.

                  G91
                  G1 X100 Y100 E50

                  for example.

                  Z-Bot CoreXY Build | Thingiverse Profile

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