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    Future Request: Better Extrusion Rate Buttons

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    PanelDue
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    • Drammyundefined
      Drammy
      last edited by Drammy

      I use my PanelDue a lot but I can't use the extrusion buttons when calibrating eSteps...

      I like to calibrate by eSteps at the filament flow rate that I normally print at (1.75mm filament) which is about 1.5mm/s. The first flow setting in the extrude options is 5mm/s which would be pretty fast even for 2.85mm filament.

      The jumps in values don't really make sense; they double from 5mm/s which I think is too high to start with and then keep doubling to 40mm/s and then just up to 50mm/s. I think 50mm/s is pretty redundant here when compared to the other values.

      Perhaps we could have some different values, assuming we stick to 5 buttons:
      1, 3, 9, 27, 81
      1, 2, 4, 8, 16
      1, 2, 5, 15, 45
      2, 4, 8, 16, 32

      To be honest I haven't got the experience to best estimate the range that suits most people but surely 5mm/s is too high for the lowest feed rate?

      Anyone agree?

      1 Reply Last reply Reply Quote 2
      • nhofundefined
        nhof
        last edited by

        If you want to do it yourself, it is a fairly simple project to re-compile the PanelDue firmware with different extrusion rate values.

        These three links should get you started:

        https://github.com/dc42/PanelDueFirmware
        https://github.com/dc42/PanelDueFirmware/blob/master/BuildInstructions.md
        https://github.com/dc42/PanelDueFirmware/blob/c5e04437d59dd97833ca9e974fefc42123b14a98/src/UserInterface.cpp#L412

        The default values are a bit odd, but due to the wide variety of printer designs I don't believe any set of values will work for everyone. So I just modify the firmware directly.

        Drammyundefined 1 Reply Last reply Reply Quote 0
        • mloidlundefined
          mloidl
          last edited by

          If you just need the low retraction speeds for calibration it's possible to create some macros.

          I've done something similar for calibration, color not clear, clean nozzle (with cleaning filament).

          But i agree with you that the default values are not perfect. Maybe thats configurable in the future.

          Drammyundefined 1 Reply Last reply Reply Quote 0
          • Drammyundefined
            Drammy @nhof
            last edited by

            @nhof Yeah, that;s a good idea. Was thinking about that but didn't know where to start - cheers for the links!

            1 Reply Last reply Reply Quote 0
            • Drammyundefined
              Drammy @mloidl
              last edited by

              @mloidl Yeah, this would be a good compromise in the short-term. Thanks

              1 Reply Last reply Reply Quote 0
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