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    Ringing/echo after migration to duet3d, rootcause lookup

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    • morfundefined
      morf @dc42
      last edited by

      Hello @dc42, thank You for your answer

      @dc42 said in Ringing/echo after migration to duet3d, rootcause lookup:

      What is the specification of the stepper motors in your printer, and what current have you set in M906?

      I have stock anycubic motors, that are 200step Nea17 motors, I have no exact specs but I assume 1,5A-1,7A?
      My "current" config

      M906 X1300 Y1300 Z1300 E1100 I30

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      • dc42undefined
        dc42 administrators
        last edited by dc42

        We really need a little more info than that. Do the motors have a part number label on them? Can you measure the resistance of one phase, and the length of the motor excluding shaft? Are you using 12V or 24V power?

        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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        • morfundefined
          morf
          last edited by morf

          Some time ago a Friend of mine found this specs,
          unfortunatelly no label/sticker is present on motors itself.
          alt text

          It is most probably motors that are in anycubics Kossel Delta.

          I use 12V power supply

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          • morfundefined
            morf
            last edited by

            I've just replaced titan with stock extruder but same pattern is visible 😞 So I guess it has nothing to do with extrusion

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            • Phaedruxundefined
              Phaedrux Moderator
              last edited by Phaedrux

              What does it actually look like while printing? Those vibrations seem extreme.

              Can you post your config file as well just in case something is really off.

              Z-Bot CoreXY Build | Thingiverse Profile

              morfundefined 1 Reply Last reply Reply Quote 0
              • morfundefined
                morf @Phaedrux
                last edited by

                @phaedrux said in Ringing/echo after migration to duet3d, rootcause lookup:

                What does it actually look like while printing? Those vibrations seem extreme.

                Can you post your config file as well just in case something is really off.

                Hmm it looks kinda normal no wobbling, oscilations etc.
                I attach the config.g

                I really hope I missed something 🙂0_1546643162195_config.g

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                • Phaedruxundefined
                  Phaedrux Moderator
                  last edited by

                  After a print if you run M122 do you see anything for hiccups or steperrors in the move section?

                  Z-Bot CoreXY Build | Thingiverse Profile

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                  • Wyvernundefined
                    Wyvern
                    last edited by Wyvern

                    What slicer? What G-code flavor are you running? This looks exactly what happened to my stock Anycubic delta, the cause was a bug in cura, (3.5?) 3.4 and 3.6 worked fine, one thing I noted is the stock G code flavor was different than the others, not sure if that was the cause.

                    You should run Reprap flavor.
                    https://imgur.com/a/eRt4M3E

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                    • dc42undefined
                      dc42 administrators
                      last edited by

                      What are your E steps/mm? If they are less than about 400, try increasing extruder microstepping to 64 or 128 in the M350 command. If the M350 command comes after the M92 E command then you won't need to adjust the steps/mm, it will be done automatically.

                      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

                      morfundefined 1 Reply Last reply Reply Quote 0
                      • morfundefined
                        morf @dc42
                        last edited by

                        @dc42 said in Ringing/echo after migration to duet3d, rootcause lookup:

                        What are your E steps/mm? If they are less than about 400, try increasing extruder microstepping to 64 or 128 in the M350 command. If the M350 command comes after the M92 E command then you won't need to adjust the steps/mm, it will be done automatically.

                        M350 X128 Y128 Z128 E32 I0                            ;  NO interpolation
                        M92 X640 Y640 Z640 E812                              ; Set steps per mm
                        

                        Regarding slicer i use simplify3d with Reprap firmware setup:
                        0_1546684717781_Screenshot_20190105_113805.png

                        This is YT video during the print
                        https://youtu.be/h0db7zNWiL4

                        dc42undefined 1 Reply Last reply Reply Quote 0
                        • DaveAundefined
                          DaveA
                          last edited by

                          Not too sure what this does in the grand scheme but you have relative extruder moves enabled in config.g but not checked in S3D. I always assumed that these needed to track together.

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                          • dragonnundefined
                            dragonn
                            last edited by

                            S3D includes at the start of g-code proper command to switch to relative/absolute dependent on the checkbox. So I don't think this should cause any problem.

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                            • DaveAundefined
                              DaveA
                              last edited by DaveA

                              OK, if the checkbox in S3D is unchecked is it not going to produce absolute extruder moves and if there is an M83 in config,g is the printer not going to expect relative moves?
                              Maybe this doesn't work as I thought.

                              Answered my own question. I didn't realize that S3D would output the M82 as a result of the checkbox. Learned something new.

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                              • dc42undefined
                                dc42 administrators @morf
                                last edited by

                                @morf said in Ringing/echo after migration to duet3d, rootcause lookup:

                                M350 X128 Y128 Z128 E32 I0                            ;  NO interpolation
                                M92 X640 Y640 Z640 E812                              ; Set steps per mm
                                

                                Using XYZ microstepping of 128 may lead to processor overload (although probably only in faster travel moves), so I suggest you reduce it to either 16 with interpolation, 32 or possibly 64. Your extruder microstepping and steps/mm look good.

                                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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