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Strange first layer

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Tuning and tweaking
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  • undefined
    lui2004
    last edited by 28 Mar 2021, 07:36

    Since few days i have this strange first layer

    i dont have change nothing

    i print pla with nozzle: 200°C, bed: 60°C

    IMG_20210328_092209.jpg

    IMG_20210328_092223.jpg

    IMG_20210328_092235.jpg

    IMG_20210328_092248.jpg

    if you need some other files for check

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    • undefined
      SIam
      last edited by 28 Mar 2021, 09:28

      it's look like you have some fat on your print bed try to clean it with acetone and sandpaper or equal

      Hypercube-Evolution-Hybrid, Piezo Orion, Orbiter
      Duet WiFi 1.02 or later + DueX5
      RepRapFirmware for Duet 2 WiFi/Ethernet 3.4.0beta4 (2021-09-27 11:30:36)
      Duet WiFi Server: 1.26
      Duet Web Control 3.4.0beta4 (2021-09-27)

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      • undefined
        lui2004
        last edited by 29 Mar 2021, 17:27

        I have clean it All and with sandpaper

        My and first layer looks like this in pics

        20210329_192518.jpg 20210329_192523.jpg

        I dont know what it is

        undefined undefined 2 Replies Last reply 29 Mar 2021, 17:48 Reply Quote 0
        • undefined
          Phaedrux Moderator @lui2004
          last edited by 29 Mar 2021, 17:48

          @lui2004 Over extrusion. Either too much flow, or too close to the bed.

          Z-Bot CoreXY Build | Thingiverse Profile

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          • undefined
            engikeneer @lui2004
            last edited by 29 Mar 2021, 17:56

            @lui2004 maybe also old/wet filament? Do you hear any popping as it extrudes? PLA isn't as bad as nylon/petg, but can still absorb water over time. I've also found damp filaments swell a but so you get some overextrusion at the same time...

            E3D TC with D3Mini and Toolboards.
            Home-built CoreXY, Duet Wifi, Chimera direct drive, 2x BMG, 300x300x300 build volume
            i3 clone with a bunch of mods

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            • undefined
              lui2004
              last edited by 29 Mar 2021, 18:20

              Thats only the first layer the rest of print looks perfect.

              Flow and extruder is calibrated

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              • undefined
                Phaedrux Moderator
                last edited by 29 Mar 2021, 18:23

                Then likely too close to the bed on the first layer.

                Z-Bot CoreXY Build | Thingiverse Profile

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                • undefined
                  SIam
                  last edited by 29 Mar 2021, 18:25

                  As phaedrux says you're to close to the bed move your nozzle some babysteps higher

                  Hypercube-Evolution-Hybrid, Piezo Orion, Orbiter
                  Duet WiFi 1.02 or later + DueX5
                  RepRapFirmware for Duet 2 WiFi/Ethernet 3.4.0beta4 (2021-09-27 11:30:36)
                  Duet WiFi Server: 1.26
                  Duet Web Control 3.4.0beta4 (2021-09-27)

                  1 Reply Last reply Reply Quote 0
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