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Help Core XY

Scheduled Pinned Locked Moved
Tuning and tweaking
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  • undefined
    mrehorstdmd
    last edited by 3 Mar 2020, 22:02

    If this is the same printer that was causing your Z axis problems, the belt layout is wrong for corexy and the belt tension is going to vary as the extruder moves around. That can easily lead to excessive ringing and the amount of it may vary depending on where the print sits on the bed. I suggest that you fix the belt path problem first, then tackle the print quality problems that remain.

    https://drmrehorst.blogspot.com/

    undefined 1 Reply Last reply 3 Mar 2020, 22:24 Reply Quote 0
    • undefined
      Phaedrux Moderator @mrehorstdmd
      last edited by 3 Mar 2020, 22:24

      @mrehorstdmd I don't think the diagram from the other thread is accurate to how the sapphire plus is actually laid out. At least not from any of the reviews I've seen of it. From what I gather it's a correctly designed corexy.

      Z-Bot CoreXY Build | Thingiverse Profile

      undefined 1 Reply Last reply 3 Mar 2020, 22:33 Reply Quote 0
      • undefined
        mrehorstdmd @Phaedrux
        last edited by mrehorstdmd 3 Mar 2020, 22:39 3 Mar 2020, 22:33

        @Phaedrux It looks like the diagram came from an review of the Sapphire Plus and Sapphire Pro printers at All3DP. If that is a diagram supplied by 2Trees, it doesn't look good...

        https://drmrehorst.blogspot.com/

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        • undefined
          Dav @Phaedrux
          last edited by Dav 3 Mar 2020, 22:49 3 Mar 2020, 22:43

          @Phaedrux ok tried with your profile and I think is much better

          20200303_233954.jpg 20200303_234009.jpg

          On the left your profile.

          I think there is something to change for jerk to optimise all edges.

          What do you think?

          Without belt x and y are very smooth, all mechanic I think is good and ok.

          Could you share your conf.g?

          1 Reply Last reply Reply Quote 0
          • undefined
            Stephen6309
            last edited by 3 Mar 2020, 22:50

            This may help:

            https://duet3d.dozuki.com/Wiki/Gcode#Section_M593_Configure_Dynamic_Acceleration_Adjustment

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            • undefined
              Phaedrux Moderator @Dav
              last edited by 3 Mar 2020, 22:51

              @Dav said in Help Core XY:

              M566 X600 Y600 Z60 E600 ; Maximum jerk in mm/min
              M203 X12000 Y12000 Z1200 E2500 ; set maximum speeds (mm/min)
              M201 X800 Y800 Z60 E1200 ; set accelerations (mm/s^2)

              This isn't far off from my own config.g settings.

              Z-Bot CoreXY Build | Thingiverse Profile

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              • undefined
                Phaedrux Moderator
                last edited by 3 Mar 2020, 22:53

                It looks like it could be printed a bit hot. Do you know the thermistor settings for that hotend? Have you tried a temperature tower?

                Z-Bot CoreXY Build | Thingiverse Profile

                undefined 2 Replies Last reply 4 Mar 2020, 08:19 Reply Quote 0
                • undefined
                  Dav @Phaedrux
                  last edited by 4 Mar 2020, 08:19

                  @Phaedrux my con print at 210°, with slicer con at 220°

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                  • undefined
                    Dav @Phaedrux
                    last edited by 4 Mar 2020, 08:22

                    @Phaedrux what I see is, before duet I was using a mks board with tmc2208 and my stepper were very quiet, no vibration, now with duet i hear a little noise that cause a little vibration, can be this the problem?

                    undefined 1 Reply Last reply 4 Mar 2020, 19:22 Reply Quote 0
                    • undefined
                      Phaedrux Moderator @Dav
                      last edited by 4 Mar 2020, 19:22

                      @Dav said in Help Core XY:

                      I was using a mks board with tmc2208 and my stepper were very quiet, no vibration, now with duet i hear a little noise that cause a little vibration, can be this the problem?

                      What else changed on the printer at the same time?

                      Z-Bot CoreXY Build | Thingiverse Profile

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