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    • Kulitorum
      Kulitorum last edited by

      Can you please make a version of the board with no driver, just output step-direction-enable signals? - and with 15 or 20 channels, please.

      I am building a printer with the following configuration:

      6 Z-axis motors
      2 Y axis motors
      1 X axis motor
      1 nozzle rotation motor
      2 actuators to manipulate details on the printhead
      4 motors for feeding material

      I would like to add more stuff (like z-axis auto level) but I am limited in the amount of step/direction signals I can use.

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      • T3P3Tony
        T3P3Tony administrators last edited by

        Wow, that is going to be some printer! In the short term, given how Z bed levelling works, can you just use 3 Z motors (possibly more powerful ones on external drivers) and the use the on board steppers for the 4 extruders and one of the manipulators?

        Duet Hardware Designer
        www.duet3d.com

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        • Kulitorum
          Kulitorum last edited by Kulitorum

          Well, they are actually all servo motors and not steppers. This is why I am asking for a driverless version, so I can add three or four breakout boards and have balanced step/dir/enable for up to 20 channels.

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          • Kulitorum
            Kulitorum last edited by

            This is the printer:
            0_1523199943182_483.png

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            • T3P3Tony
              T3P3Tony administrators last edited by

              Concrete printer V2! Why 6 independent Z motors?

              Duet Hardware Designer
              www.duet3d.com

              Kulitorum 1 Reply Last reply Reply Quote 0
              • Kulitorum
                Kulitorum @T3P3Tony last edited by

                @t3p3tony so I can do independent z-motor auto leveling, of cause, just like I do on my 300x300x450 printer. Home the machine, move head close to the leadscrews, change config to only move one motor, and auto-level that one, continue to all 6.

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                • T3P3Tony
                  T3P3Tony administrators last edited by

                  If your gantry is stiff then do you not need to do only 3 points? Slave the other three motors? Would that work?

                  Duet Hardware Designer
                  www.duet3d.com

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                  • Kulitorum
                    Kulitorum last edited by

                    I can do a manual calibration, as I have done until now, just saying that it would be nice with a version of the duet with more channels for future printer builds.

                    Or at least one with all 10 channels available in one or two expansion plugs.

                    Kulitorum

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                    • T3P3Tony
                      T3P3Tony administrators last edited by

                      Got it! btw we have 12 channels (two more on the CONN_LCD) header.

                      Duet Hardware Designer
                      www.duet3d.com

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