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Laser Filament Monitor - Testing

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Filament Monitor
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  • undefined
    T3P3Tony administrators @DocTrucker
    last edited by 20 Oct 2018, 09:06

    @doctrucker yes you can
    Rotating magnet is very accurate across all filament types.

    www.duet3d.com

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    • undefined
      DocTrucker
      last edited by 20 Oct 2018, 10:39

      Very interested in trying it from that perspective then. It'll be far superior to me measuring filament by eye with a 150mm metal rule! Where can I express an interest in buying a beta model of the magnet based sensor - or is it not ling to wait for the planned commercial release? I realise the date may slip due to beta trial results.

      Running 3 P3Steel with Duet 2. Duet 3 on the shelf looking for a suitable machine. One first generation Duet in a Logo/Turtle style robot!

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      • undefined
        3dmntbighker
        last edited by 3dmntbighker 19 Nov 2018, 21:51

        I have been using my laser sensor now for a short while. With black PLA I had mostly consistent results. I started using eSun yellow PETG and made several small prints with the same travel numbers. Last night I started a vase mode part and it got to about layer 160 before it stopped. The reported low number was 24%. I restarted the print and it went another 10 layers and stopped again. The restart was perfect, but the layer adhesion was non-existent. It printed another 10 or 15 layers and stopped again with 24%. The average range up to this part printing was 84% to 94%. When I checked the vase as the print was getting started it was also 85 to 95%. I'm not sure what is going on. The filament feed is not restricted and I'm using a Bondtech extruder. The quality of the print was as near perfect as I could ask for, and I'm using a fairly high temp so the nozzle is very unlikely to be getting clogged. I had the print speed at 40mm/s.

        Ideas? Does retraction mess with the sensor? In vase mode there should be no retraction.

        I have yet to install the laser sensor in my second printer, but it's ready to go.

        Scratch built CoreXY with Maestro
        Heavily modified Ender 3 with Maestro
        MPCNC work in progress with Duet WiFi

        undefined 1 Reply Last reply 19 Nov 2018, 22:03 Reply Quote 0
        • undefined
          T3P3Tony administrators @3dmntbighker
          last edited by 19 Nov 2018, 22:03

          @3dmntbighker the sensor performs differently depending on the filament types as you have seen. For PETG we have reports that ESUN Black was very poorly registered which I have confirmed on tests. I have not confirmed for ESUN yellow PETG however it looks like that is also not good. If you are getting +'ve numbers you can increase the trigger window for that filament.

          www.duet3d.com

          undefined 1 Reply Last reply 19 Nov 2018, 22:48 Reply Quote 0
          • undefined
            3dmntbighker @T3P3Tony
            last edited by 19 Nov 2018, 22:48

            @t3p3tony said in Laser Filament Monitor - Testing:

            @3dmntbighker the sensor performs differently depending on the filament types as you have seen. For PETG we have reports that ESUN Black was very poorly registered which I have confirmed on tests. I have not confirmed for ESUN yellow PETG however it looks like that is also not good. If you are getting +'ve numbers you can increase the trigger window for that filament.

            Very odd that it goes from 85 to 95%, then suddenly out of nowhere it's 24% with no change in speed, feed rate or filament type.

            Scratch built CoreXY with Maestro
            Heavily modified Ender 3 with Maestro
            MPCNC work in progress with Duet WiFi

            undefined 1 Reply Last reply 19 Nov 2018, 22:50 Reply Quote 0
            • undefined
              T3P3Tony administrators @3dmntbighker
              last edited by 19 Nov 2018, 22:50

              @3dmntbighker yes that is strange. I found the ESUN black PETG very variable with unworkable results, however other PETGs (specifically e3d edge) are not as variable.

              www.duet3d.com

              undefined 1 Reply Last reply 19 Nov 2018, 22:56 Reply Quote 0
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                3dmntbighker @T3P3Tony
                last edited by 19 Nov 2018, 22:56

                @t3p3tony said in Laser Filament Monitor - Testing:

                @3dmntbighker yes that is strange. I found the ESUN black PETG very variable with unworkable results, however other PETGs (specifically e3d edge) are not as variable.

                Well, I have stopped buying eSun altogether. My standard filament brand is now 3D Solutech. I also use a mix of Taulman, Filamentum and others. I hope they get Prusament on Amazon soon.

                Scratch built CoreXY with Maestro
                Heavily modified Ender 3 with Maestro
                MPCNC work in progress with Duet WiFi

                undefined 1 Reply Last reply 19 Nov 2018, 22:59 Reply Quote 0
                • undefined
                  T3P3Tony administrators @3dmntbighker
                  last edited by 19 Nov 2018, 22:59

                  @3dmntbighker will be very interested to hear how you get on with those other brands!

                  www.duet3d.com

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                  • undefined
                    peirof
                    last edited by 20 Nov 2018, 02:38

                    Hi...

                    When you estimate filament monitor will be reléased? And the Price?

                    Thanks

                    undefined 1 Reply Last reply 20 Nov 2018, 04:02 Reply Quote 0
                    • undefined
                      DocTrucker @peirof
                      last edited by 20 Nov 2018, 04:02

                      @peirof https://www.duet3d.com/DuetAddons/LaserFilamentMonitor

                      Running 3 P3Steel with Duet 2. Duet 3 on the shelf looking for a suitable machine. One first generation Duet in a Logo/Turtle style robot!

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