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    Unsymmetrical prints and Delta printer calibration

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    Tuning and tweaking
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    • sylarundefined
      sylar
      last edited by

      Hi!

      I have a problem with my delta printer, It will not print square/round as it should since it distorts all the prints.
      I have a duet 3D board on a Kossel printer with a IR Z-probe.
      Fist when I put it together i just ran the G32 command twice and then M500 to save everything to config override to later move the parameters to the config file, This didnt work good at all, so I manually measured in all endstops as good as I could so they had the same distance to the bed and it improved the prints marginally.
      Then I tried running mesh compensation and using G29 S1 in my Gcodes for printing and it improved to besing usable but I still get +0,08mm in X axing and +0,44mm in Y axis.
      Is there any way to easily calibrate the delta printer manually with the duet board to check if it is the Z-axis probe that is the fault ? Just as a sanity check

      Thanks!

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      • Phaedruxundefined
        Phaedrux Moderator
        last edited by

        Here is your delta calibration bible

        https://duet3d.dozuki.com/Wiki/ConfiguringRepRapFirmwareDeltaPrinter
        https://duet3d.dozuki.com/Wiki/Calibrating_a_delta_printer

        Z-Bot CoreXY Build | Thingiverse Profile

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        • sylarundefined
          sylar
          last edited by

          I have already read that many times, it goes into the automatic delta calibration but not the manual delta calibration

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          • sylarundefined
            sylar
            last edited by

            Hi!

            After a lot of tinkering and looking at the config file I noticed that my duet board changes the tower correction in M665, When i change X,Y and Z back to zero I get pretty symmetrical prints but the head does not move parallel to the bed anymore.
            Is it possible to make G32 skip the tower position corrections alltogether ?
            I have measured the tower positions with a caliper and they are almost perfect, all towers and rails are within 0,5mm the intire 550mm above the bed.

            Thanks

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            • Phaedruxundefined
              Phaedrux Moderator
              last edited by

              @sylar said in Unsymmetrical prints and Delta printer calibration:

              Is it possible to make G32 skip the tower position corrections alltogether ?

              4 - factor maybe?

              https://duet3d.dozuki.com/Wiki/Calibrating_a_delta_printer#Section_Setting_up_the_bed_g_file

              Not really my forte.

              Z-Bot CoreXY Build | Thingiverse Profile

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