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    Help Core XY

    Scheduled Pinned Locked Moved
    Tuning and tweaking
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    • mrehorstdmdundefined
      mrehorstdmd
      last edited by

      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/

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

        @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

        mrehorstdmdundefined 1 Reply Last reply Reply Quote 0
        • mrehorstdmdundefined
          mrehorstdmd @Phaedrux
          last edited by mrehorstdmd

          @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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          • Davundefined
            Dav @Phaedrux
            last edited by Dav

            @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?

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            • Stephen6309undefined
              Stephen6309
              last edited by

              This may help:

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

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              • Phaedruxundefined
                Phaedrux Moderator @Dav
                last edited by

                @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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                • Phaedruxundefined
                  Phaedrux Moderator
                  last edited by

                  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

                  Davundefined 2 Replies Last reply Reply Quote 0
                  • Davundefined
                    Dav @Phaedrux
                    last edited by

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

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                    • Davundefined
                      Dav @Phaedrux
                      last edited by

                      @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?

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

                        @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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