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Very slow mesh bed level

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Tuning and tweaking
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  • undefined
    Elvis0z
    last edited by Elvis0z 7 Nov 2020, 01:54 11 Jul 2020, 01:50

    I have a Tevo Black Widow with Duet Wifi. I have got it all set up now just tweaking and tuning. I did a mesh bed level and it took ages like 20 minutes at least is this normal. I don't really want this slow level every time I print it will take ages just to get the print started. When z probes the bed its moving very slow.

    Cheers

    undefined 1 Reply Last reply 12 Jul 2020, 14:50 Reply Quote 0
    • undefined
      Phaedrux Moderator
      last edited by 11 Jul 2020, 02:48

      Post your config so we can see what settings you're using.

      You can do a few things to speed it up in general like reducing the dive height to the minimum required, speeding up the travel speed between points. Reducing the number of points if you don't need that level of detail.

      Or, better still, you may be able to just load the saved heightmap before the print with G29 S1 instead of doing the full probing run. This works well if the bed level stays put between prints.

      Z-Bot CoreXY Build | Thingiverse Profile

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      • undefined
        Elvis0z
        last edited by 11 Jul 2020, 03:23

        config.g

        homez.g

        homeall.g

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        • undefined
          Phaedrux Moderator
          last edited by 11 Jul 2020, 05:46

          ; Z-Probe
          M558 P9 C"zprobe.in" H5 F60 T6000 A10 R0.5
          M950 S0 C"exp.heater3"
          G31 P25 X+41 Y+10 Z0.0 ; set Z probe trigger value, offset and trigger height
          M557 X25:360 Y15:220 S20 ; define mesh bed level

          You need to measure your probe trigger height and enter it in G31 Z otherwise your mesh grid will not have the correct position of the bed.

          https://duet3d.dozuki.com/Wiki/Test_and_calibrate_the_Z_probe#Section_Calibrate_the_Z_probe_trigger_height

          Once you've done that, redo the mesh with G29 again, and then try using G29 S1 in your start gcode instead of just G29. Then you can do a good probing once and load the results before the print.

          Z-Bot CoreXY Build | Thingiverse Profile

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          • undefined
            Elvis0z
            last edited by 11 Jul 2020, 08:40

            Yep sorry that was an older config.g. I have z1.13 for height

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            • undefined
              zapta @Elvis0z
              last edited by 12 Jul 2020, 14:50

              @Elvis0z said in Very slow mesh bed level:

              I don't really want this slow level every time I print

              Some people here use script that automatically mesh just the print area. This makes it more practical to mesh before each print.

              (title say Cura but works also with other slicers)

              https://forum.duet3d.com/topic/15302/cura-script-to-automatically-probe-only-printed-area

              undefined 1 Reply Last reply 12 Jul 2020, 14:51 Reply Quote 0
              • undefined
                Elvis0z @zapta
                last edited by 12 Jul 2020, 14:51

                @zapta Thanks Zapta

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