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Head Movement on a delta not working as expected

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  • undefined
    brandonh
    last edited by 5 Jul 2018, 07:43

    I'm using a Duet to upgrade an old Kossel Air delta that has no autoleveling, so I'm trying to manually calibrate it. But the movement buttons in DWC don't seem to behave like I remember.

    In the machine control tab on DWC, there are buttons marked for 'Head Movement', but the motion they incur is in the corresponding tower. That is, if I click the Z+5 button, the Z carriage moves 5mm, resulting in a new head position that modifies the Y and Z positions (say, to [0, 6.16, 6.81] from [0, 0, 5]).

    This makes calibration painful when I actually want the buttons to adjust the head position, and move all the axes to move together in a coordinated way. I have to manually type Z0.5, Z0.4, Z0.3, ... then Z0.2, Z0.22, Z0.24, etc. I know that autocalibration removes this work, but I also had no need to recalibrate this particular machine for 2 yrs, once I got it calibrated, and the small printable area doesn't leave much space for off-the-shelf autocalibration options.

    Is this a recent regression / intentional change / something else? Is there some way to have a button cause the motion I want (outside of writing a macro for the motions)?

    Thanks. Running firmware 2.01beta1(RTOS) (2018-06-23b1) and DWC 1.21.2-b1.

    1 Reply Last reply Reply Quote 0
    • undefined
      dc42 administrators
      last edited by 5 Jul 2018, 13:28

      Yes it's a regression in DWC 1.21.2b1. Please upgrade to 1.21.2b2.

      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

      undefined 1 Reply Last reply 5 Jul 2018, 17:37 Reply Quote 0
      • undefined
        brandonh @dc42
        last edited by 5 Jul 2018, 17:37

        @dc42

        Thanks DC.

        I see the tag on chrishamm's repo, but no downloadable release there, or on https://github.com/dc42/RepRapFirmware/releases - is this available for direct download somewhere?

        undefined 1 Reply Last reply 5 Jul 2018, 17:53 Reply Quote 0
        • undefined
          T3P3Tony administrators @brandonh
          last edited by 5 Jul 2018, 17:53

          @brandonh it's in the development branch.

          https://github.com/chrishamm/DuetWebControl/tree/dev?files=1

          www.duet3d.com

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