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Craftbot IDEX kinematics

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  • undefined
    feliz
    last edited by 10 Sept 2020, 02:00

    Thinking about a 500x500 corexyu IDEX; but was worried about belt length and squareness. I noticed craftbot has different kinematics, which I think would address at least the squareness concern and some belt length. It has a markforge like resemblance but not the same. Wonder if this can be accomplished with the duet?Craftbot.jpg

    thanks;
    trying to avoid marlin; like to possible upgrade to E3D tool changer in the future.

    picture enclosed. 1 stepper for Y movement; but the two stepper are stationary like corexy (reducing weight on y gantry), but need to account not only for x movement but also add in y movement (X+y)

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    • undefined
      feliz
      last edited by 10 Sept 2020, 03:38

      correction of diagram; more accurateCraftbot.png

      undefined 1 Reply Last reply 10 Sept 2020, 07:52 Reply Quote 0
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        Haggan90
        last edited by 10 Sept 2020, 06:49

        Yes it's possible, I have that on my printer.

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        • undefined
          dc42 administrators
          last edited by dc42 9 Oct 2020, 07:12 10 Sept 2020, 07:10

          That's dual Mark Forged kinematics. It's supported by Duet/RepRapFirmware, along with every other kinematics for which the motion of each axis is a linear combination of the motion of the motors.

          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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          • undefined
            fcwilt @feliz
            last edited by 10 Sept 2020, 07:52

            @feliz

            Hi,

            You may want to add a second Y motor to the other end to aid in keeping things square.

            Frederick

            Printers: a small Utilmaker style, a small CoreXY and a E3D MS/TC setup. Various hotends. Using Duet 3 hardware running 3.4.6

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