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    Acceleration/Jerk

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    Tuning and tweaking
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    • Reefwarriorundefined
      Reefwarrior
      last edited by

      Hi all,

      OK, so the next hurdle to cross. The above calibration. I have been using TeachingTech's page for tuning when I was running Marlin, but now with reprap, I don't know how to proceed as some of the commands differ.

      Can anybody please help/shed some light? It is EXTREMELY frustrating to having to change a single parameter and then having to wait about 30 minutes for a print and try to see what the changes are. The example (I will include the link below) by TT uses one print, with multiple changes (eg. X Jerk) during a print, so you can compare eg. 5 different settings on one print.

      Here's the page of TeachingTech: https://teachingtechyt.github.io/calibration.html#accel

      Thank you for the help!
      Tinus

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      • Vetiundefined
        Veti
        last edited by

        Jerk is
        https://duet3d.dozuki.com/Wiki/Gcode#Section_M205_Set_max_instantaneous_speed_change_in_mm_sec
        acceleration is
        https://duet3d.dozuki.com/Wiki/Gcode#Section_M201_Set_max_acceleration

        ringing compensation is
        https://duet3d.dozuki.com/Wiki/Gcode#Section_M593_Configure_Dynamic_Acceleration_Adjustment

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

          @Veti Hi thanx - I'm having issues with regards to an easy way to tune the settings....

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          • Vetiundefined
            Veti
            last edited by

            you could follow the guide form teching tech, just replace the marlin parameter with the duet parameters for jerk and acceleration.

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

              @Veti OK will try 🙂

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              • Vetiundefined
                Veti
                last edited by

                but before you lower your acceleration try the daa feature to cancel the ringing.

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                • Phaedruxundefined
                  Phaedrux Moderator
                  last edited by

                  Also, you don't have to wait for the entire print to finish, you can send the commands to change the values in the gcode console while the print is running and it will take effect immediately.

                  You might find these macros helpful with this.

                  https://forum.duet3d.com/topic/6181/tuning-macros-menus-accel-jerk-retraction-pressure-advance

                  Z-Bot CoreXY Build | Thingiverse Profile

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                  • lord binkyundefined
                    lord binky
                    last edited by

                    I often tune against a single wall 0 infill 40x40 square and just send commands to change accel/jerk. I also set M204 to high values while I tune my per axis accel (M201).

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