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Extra axies not interpolatedduring G2 and G3 moves

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  • undefined
    Kulitorum
    last edited by 22 May 2018, 14:22

    Extrusion works, but U interpolation does not work.

    Changing XY jerk makes no difference, but changing acceleration does.

    Kulitorum

    undefined 1 Reply Last reply 22 May 2018, 14:24 Reply Quote 0
    • undefined
      dc42 administrators @Kulitorum
      last edited by dc42 22 May 2018, 14:24

      @kulitorum said in Extra axies not interpolatedduring G2 and G3 moves:

      Extrusion works, but U interpolation does not work.

      Changing XY jerk makes no difference, but changing acceleration does.

      Kulitorum

      Can you give me a small example of the sort of G2 or G3 move with U movement that you are making? I was planning to do a release later this afternoon but I'll try to fix this issue first when I am sure I understand what it is.

      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

      1 Reply Last reply Reply Quote 0
      • undefined
        Kulitorum
        last edited by 22 May 2018, 14:26

        I assume you are doing some kind of piecewise linear move, and if you use the start AND end position of each piece, you will get double coords (end is the same as start) and this leads to constant acceleration and deacceleration. Maybe you just need to use the end points and this will fix it?

        Kulitorum

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        • undefined
          Kulitorum
          last edited by 22 May 2018, 14:26

          G1 x0 y0
          g2 x000 y1000 i00 j500 u9000 e9 f6000

          undefined 1 Reply Last reply 22 May 2018, 15:00 Reply Quote 0
          • undefined
            Kulitorum
            last edited by 22 May 2018, 14:36

            After a demo of x and y axis, I execute the G2 command I pasted here:
            https://youtu.be/g3Q2_Sx2frY

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            • undefined
              dc42 administrators @Kulitorum
              last edited by dc42 22 May 2018, 15:00

              @kulitorum said in Extra axies not interpolatedduring G2 and G3 moves:

              G1 x0 y0
              g2 x000 y1000 i00 j500 u9000 e9 f6000

              What was the U coordinate before you executed that command?

              EDIT: ignore that, I found the problem.

              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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              • undefined
                Kulitorum
                last edited by 23 May 2018, 23:13

                Any progress?

                Kulitorum

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                • undefined
                  whosrdaddy
                  last edited by 24 May 2018, 05:51

                  I believe @dc42 fixed this problem in 2.0RC5...

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                  • undefined
                    Kulitorum
                    last edited by 24 May 2018, 10:37

                    Just tested RC5, the missing axis problem has been fixed.

                    Thanks

                    Michael

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                    • undefined
                      dc42 administrators
                      last edited by 24 May 2018, 15:37

                      Thanks for confirmation.

                      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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