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IR height sensor seems to work ok but when printing all goes wrong

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Tuning and tweaking
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  • undefined
    dc42 administrators
    last edited by 3 Apr 2018, 16:33

    Please post a screenshot of your height map.

    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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      dmkmedia
      last edited by 3 Apr 2018, 19:09

      i know its no great but its a fixed bed and cant adjust it

      https://dmkitservices.com

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        AlexLin
        last edited by 3 Apr 2018, 20:23

        No bed level can adjust so much… What is your setup? There must be some serious mechanical issues... Causing this extreme tilt

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          norbs12
          last edited by 4 Mar 2018, 20:49 3 Apr 2018, 20:48

          What surface is your bed? Heard some light sources can affect your IR bed level sensor too.

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            dmkmedia
            last edited by 4 Apr 2018, 06:42

            its a homemade setup but when i bought the aluminum plate i didn't plan for the heated bed silicon sheet to be the same size exactly.

            so now i cant drill holes in the aluminum sheet.

            so i have to clip it to the Y axis until i work it out

            https://dmkitservices.com

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              dmkmedia
              last edited by 4 Apr 2018, 06:43

              @norbs12:

              What surface is your bed? Heard some light sources can affect your IR bed level sensor too.

              heated aluminum with blue tape

              https://dmkitservices.com

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                dc42 administrators
                last edited by 4 Apr 2018, 08:53

                The IR sensor works very well with blue tape; so as long as there is blue tape over the whole bed, or at least over all the points that you probe, it should work well.

                From the height map, it looks like the bed isn't parallel to either the X or Y axes. You need to fix that.

                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
                  dmkmedia
                  last edited by 4 Apr 2018, 09:31

                  hows this

                  https://dmkitservices.com

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                    dmkmedia
                    last edited by 4 Apr 2018, 09:52

                    this took some time but here also is the full scan

                    https://dmkitservices.com

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                    • undefined
                      dc42 administrators
                      last edited by 4 Apr 2018, 18:35

                      Those are a lot better. You have mostly sorted out the X axis because it is just slightly low on the right hand side. However, the bed and the Y axis are still not parallel to each other

                      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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