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    X axis position

    Tuning and tweaking
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    • Rudy2A
      Rudy2A last edited by

      Hello, I am having a problem with the position of my X axis.

      By default in my Config.g file, it is at -23. Because of this, I can not place the center of my bed and encounter X positions in error.

      Capture d’écran 2019-09-26 à 11.42.14.png

      and when I do a Home, all my settings are 0 except the X.

      If I make a G92 X0, then M500, it's ok or there is something else to do thank you.

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      • Veti
        Veti last edited by

        the minimum position is defined by the
        M208
        command in the config.g

        Rudy2A 1 Reply Last reply Reply Quote 0
        • Rudy2A
          Rudy2A @Veti last edited by

          @Veti said in X axis position:

          a position minimum est définie par la
          commande
          M208 dans config.g

          thank you,

          If I put a 0 in place of a -23 in; (config.g) Axis Limits
          M208 X-23 Y0 Z0 S1

          When I do a leveling of my bed, I have a band in my height map (Heightmap.csv) that is not taken into account. That's why I was advised to put -23 in place of 0?

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          • fcwilt
            fcwilt last edited by

            Hi,

            If you home in the max direction whatever value is set as max for that axis becomes the position after homing.

            Likewise if you home in the min direction whatever value is set as min for that axis becomes the position after homing.

            When you do G92 X0 you are telling the machine that the current position, which the min value says is -23, is actually 0. I don't think you want to be doing that. If the physical position is actually X=0 then the min value should be 0.

            Assuming the min value of -23 is correct then to obtain X=0 after homing you need to put a G1 X0 command into your homeX.g file.

            Frederick

            Printers: A FT-5 with the 713 upgrade bits. A custom MarkForged style. A small Utilmaker style and a CoreXY from kits. Various hotends. Using Duets (2 and 3) running 3.4.1

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            • Rudy2A
              Rudy2A last edited by

              Thank you all ...

              Problem solved .

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              • Phaedrux
                Phaedrux Moderator last edited by

                Also, M500 doesn't work like that. It's not the same as the 8-bit firmware EEPROM save.

                With reprap it saves a specific set of values to config-override.g, usually things that are computed by the firmware or measured in an automatic way.

                https://duet3d.dozuki.com/Wiki/Gcode#Section_M500_Store_parameters

                Z-Bot CoreXY Build | Thingiverse Profile

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