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Using Accelerometer for Input Shaping

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  • undefined
    StaticRed
    last edited by 17 Jul 2021, 17:17

    Hey, so i got finally my accelerometer running on my 3D Printer. I can run tests and collect the data and look at them. But what now? How can i use this data to use Input Shaper on my Printer. In the documentation nothing about this is listet at the moment.

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    • undefined
      Phaedrux Moderator
      last edited by 17 Jul 2021, 18:08

      Configure the input shaper and do some test prints.

      https://duet3d.dozuki.com/Wiki/Gcode#Section_M593_Configure_Input_Shaping

      A ringing test print works well and you can change the shaper being used every several layers on the fly by sending a new M593.

      https://www.klipper3d.org/prints/ringing_tower.stl

      Z-Bot CoreXY Build | Thingiverse Profile

      undefined 1 Reply Last reply 17 Jul 2021, 18:12 Reply Quote 0
      • undefined
        StaticRed @Phaedrux
        last edited by 17 Jul 2021, 18:12

        @phaedrux thank you for the quick answer, i will test it out

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        • undefined
          Phaedrux Moderator
          last edited by Phaedrux 17 Jul 2021, 18:16

          I've updated the Input Shaping page with my previous post since it doesn't really get mentioned anywhere else as far as I found.

          https://duet3d.dozuki.com/Wiki/Input_shaping

          https://duet3d.dozuki.com/Wiki/Accelerometers

          The documentation is a little light at the moment and will improve as the feature is further developed. Please feel free to share any suggestions or questions to help us improve it.

          Z-Bot CoreXY Build | Thingiverse Profile

          undefined 1 Reply Last reply 18 Jul 2021, 11:03 Reply Quote 1
          • undefined
            StaticRed @Phaedrux
            last edited by 18 Jul 2021, 11:03

            @phaedrux it would be good to know on how to correctly analyze the data i now gotten. Date for X Axis looks something like this
            6f52344c-9bde-426a-8dff-08b74c52d406-image.png but which frequency should i now try to cancel out, like the 7hz one or more like the 43hZ one?

            undefined 1 Reply Last reply 18 Jul 2021, 12:58 Reply Quote 0
            • undefined
              martin7404 @StaticRed
              last edited by martin7404 18 Jul 2021, 12:58

              @staticred 42-43 your machine shakes a lot here is mine for both X Y, it is a big machine with all metal parts and hemera. The carriage is about 1.5 kg
              Untitled.jpg

              Muldex IDEX Duet2+Duex5
              Custom CoreXY 600x400 Hemera , Duet3+Toolboard+1HCL closed loop
              Sapphire Pro with Duet2, with closed-loop motors
              custom high temp E3D tool changer with Duet2+Duex

              undefined 1 Reply Last reply 18 Jul 2021, 13:27 Reply Quote 0
              • undefined
                StaticRed @martin7404
                last edited by 18 Jul 2021, 13:27

                @martin7404 what speeds did you use for the testings? I used 30000mm/min to test it. My normal printing speed at around 10000mm/min has kind of the same readings as yours. But my machine is also at the moment super small and the carriage ways about 300g.

                undefined 1 Reply Last reply 18 Jul 2021, 13:46 Reply Quote 0
                • undefined
                  martin7404 @StaticRed
                  last edited by 18 Jul 2021, 13:46

                  @staticred 24000

                  Muldex IDEX Duet2+Duex5
                  Custom CoreXY 600x400 Hemera , Duet3+Toolboard+1HCL closed loop
                  Sapphire Pro with Duet2, with closed-loop motors
                  custom high temp E3D tool changer with Duet2+Duex

                  1 Reply Last reply Reply Quote 0
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