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    G10: Tool Offset

    Tuning and tweaking
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    • Michel000
      Michel000 last edited by

      Hi,

      Im working on a dual x carriage printer and i want to use the Z value in the tooloffset like this:

      G10 P1 U0 Y0 Z-1.8

      my second extruders nozzle is 1.8mm lower than the nozzle of extruder T0 . when i print with the T0 extruder the T1 extruder is add the end of the X/U axis and will not hit anything.

      This is working, when i do toolchange Z0 is on the correct Z position. The problem is my slicer (Slic3r) doesnt write a extra G01 z… after a toolchange so the nozzle just stays add the old Z position, what will result in a crash.

      So i know i can use "placeholders" in Slic3r but i didnt find any for the current z position if there is one i could add this code to the toolchange G code
      G01 Z[Current_z_position]

      Or is there a other solutution ?

      i know i can also put both extruders add exact same height both i hope there is a other solution for this.

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      • dc42
        dc42 administrators last edited by

        I started work on creating a restore point at the beginning of a tool change, but I didn't finish it because I need to work out exactly what needs to be restored on an IDEX machine. I'll give it some more thought.

        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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        • MrBlom
          MrBlom last edited by

          any news on this ?

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          • Kulitorum
            Kulitorum last edited by

            Cant you just use the Z offse for tool1 to adjust?

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            • dc42
              dc42 administrators last edited by

              You can try using G1 R2 in your tpost.g files, however I think it may set the X position incorrectly. I'll be working on a new 1.19alpha release today, so I'll take a look at this if you can give me some feedback on G1 R2.

              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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              • tangent1001
                tangent1001 last edited by

                G1 R2 wont work for me as I have U axis controlling a servo that moves the nozzles out of the way. This feature would save me a lot of headaches.

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                • dc42
                  dc42 administrators last edited by

                  @tangent1001:

                  G1 R2 wont work for me as I have U axis controlling a servo that moves the nozzles out of the way. This feature would save me a lot of headaches.

                  What feature would save you a lot of headaches?

                  The behaviour of G1 R2 was corrected in recent 1.19 beta versions.

                  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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                  • tangent1001
                    tangent1001 last edited by

                    A feature that automatically applies toolhead offsets. It sounds like G1 R2 will work if I update to t 1.19 beta. I will try that. Thanks

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