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Extruder issues

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Duet Hardware and wiring
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  • undefined
    cjorgensenmd
    last edited by 29 May 2020, 21:05

    I'll be damned. Your code fixed the issue. Thanks so much!

    undefined 1 Reply Last reply 29 May 2020, 21:07 Reply Quote 0
    • undefined
      Carlo @cjorgensenmd
      last edited by 29 May 2020, 21:07

      @cjorgensenmd

      I was right where you were not long ago as the site doesn't actually say no interpolation unless you click through a good few page and then it's a bit incidental.
      Glad its working better now you can have real fun with retractions!

      undefined 1 Reply Last reply 29 May 2020, 21:08 Reply Quote 0
      • undefined
        Carlo @Carlo
        last edited by 29 May 2020, 21:08

        @Carlo
        Oh and you may want to try lower mA even but not higher than 500

        1 Reply Last reply Reply Quote 0
        • undefined
          cjorgensenmd
          last edited by 29 May 2020, 21:11

          Cool. I'm still a bit confused as to why this caused a failure mid-print though. Any ideas?

          undefined undefined 2 Replies Last reply 29 May 2020, 21:14 Reply Quote 0
          • undefined
            Carlo @cjorgensenmd
            last edited by Carlo 29 May 2020, 21:14

            @cjorgensenmd

            Technology doesn't need a reason ! 🙂
            strain maybe on the motor ? that's a lot of pulses !

            Sorry what are your step for E ? they don't appear to be set

            undefined 1 Reply Last reply 29 May 2020, 21:19 Reply Quote 0
            • undefined
              Carlo @Carlo
              last edited by 29 May 2020, 21:19

              @Carlo

              Sorry they are below ignore!

              1 Reply Last reply Reply Quote 0
              • undefined
                cjorgensenmd
                last edited by 29 May 2020, 21:30

                M92 E2792; I moved it back to where the others were. Interestingly I changed the M203 E400 to E2400 and the problem came back. So now I am back at M203 E400. I am a little unsure if this corresponds to mm/min of filament or extruded flow, though I lean towards filament. I am using a volcano hotend and 0.7mm line width at 0.3mm layer height, giving a volumetric flow of 12.6mm^3 /s at 60mm/s print speed. That volumetric flow is equivalent to 5.24mm/s of 1.75mm filament into the hot end.

                So for every 1mm of 1.75mm filament driven, you can get 11.45mm of 0.7mm*0.3mm extrusion.

                So 400mm/min at the extruder equals 76.33 mm/s print speed at those specified layer heights and line widths.

                undefined 1 Reply Last reply 29 May 2020, 21:35 Reply Quote 0
                • undefined
                  Carlo @cjorgensenmd
                  last edited by 29 May 2020, 21:35

                  @cjorgensenmd

                  Only doing the filament calibration will tell sorry you'll need to do it again.

                  undefined 1 Reply Last reply 29 May 2020, 21:41 Reply Quote 0
                  • undefined
                    Carlo @Carlo
                    last edited by 29 May 2020, 21:41

                    @Carlo

                    Sorry remember my gearing is not the same as your mine is version 2 so you may need to lower that because your steps are higher and if to high its the same as increasing vref mA

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                    • undefined
                      Phaedrux Moderator @cjorgensenmd
                      last edited by 29 May 2020, 22:46

                      @cjorgensenmd said in Extruder issues:

                      Cool. I'm still a bit confused as to why this caused a failure mid-print though. Any ideas?

                      If you had sent a M122 diagnostic after the failure you may have been a high number of hiccups, but that's just a guess.

                      Z-Bot CoreXY Build | Thingiverse Profile

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