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Problem with rear side of Test Cube

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  • undefined
    alankilian @dmbgo
    last edited by 16 Jan 2021, 22:40

    @dmbgo Try that upload again please.

    Also, what filament are you using?

    SeemeCNC Rostock Max V3 converted to V3.2 with a Duet2 Ethernet Firmware 3.2 and SE300

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    • undefined
      alankilian
      last edited by 16 Jan 2021, 22:41

      I print PLA at 60C bed and 205C extruder, so you're significantly hotter than I am.

      SeemeCNC Rostock Max V3 converted to V3.2 with a Duet2 Ethernet Firmware 3.2 and SE300

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      • undefined
        dmbgo
        last edited by 16 Jan 2021, 22:42

        I'll try renaming it to *.txt, you'll have to change it to *.factory:
        xyzCalibration_cube.factory.txt

        Regards David Maher

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        • undefined
          dmbgo
          last edited by 16 Jan 2021, 22:43

          I am using ABS filament.

          Regards David Maher

          undefined 1 Reply Last reply 16 Jan 2021, 22:56 Reply Quote 0
          • undefined
            dmbgo
            last edited by 16 Jan 2021, 22:49

            On the filament roll, it recommends Extruder 220 to 260C Bed 100 to 110C

            Regards David Maher

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            • undefined
              dmbgo
              last edited by 16 Jan 2021, 22:52

              e7bf91f0-9fd2-4428-96be-79aa49d59bef-image.png

              Regards David Maher

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              • undefined
                fcwilt @dmbgo
                last edited by 16 Jan 2021, 22:56

                @dmbgo said in Problem with rear side of Test Cube:

                I am using ABS filament.

                Do you have a heated enclosure?

                Frederick

                Printers: a small Utilmaker style, a small CoreXY and a E3D MS/TC setup. Various hotends. Using Duet 3 hardware running 3.4.6

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                • undefined
                  alankilian
                  last edited by 16 Jan 2021, 22:58

                  I'm afraid I'm out of my experience zone with ABS.

                  I have read not to use fans for the first 3 layers, but that's not your problem.

                  Do you see filament extruding on the back cornets?

                  Do you hear your extruder struggling/clicking when that happens?

                  Can you rotate the cube 180-degrees to see if it then happens on the front?

                  Can you rotate the entire printer 180-degrees to see if it changes due to airflow?

                  Do you have an enclosure?

                  My only ABS experience is using a Stratasys where everything is controlled for me and it works perfectly.

                  Someone with more ABS experience will probably jump in next and hopefully be able to help you more than I can.

                  SeemeCNC Rostock Max V3 converted to V3.2 with a Duet2 Ethernet Firmware 3.2 and SE300

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                  • undefined
                    dmbgo
                    last edited by dmbgo 16 Jan 2021, 23:00

                    I do have, but the printer isn't in it at present while I'm working on it. I usually drop the bed temp down when the printer's in there.

                    20210117_095836.jpg

                    Regards David Maher

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                    • undefined
                      fcwilt
                      last edited by 16 Jan 2021, 23:06

                      From what I have read ABS really needs a heated enclosure BUT I don't know if that is related to your problem.

                      Frederick

                      Printers: a small Utilmaker style, a small CoreXY and a E3D MS/TC setup. Various hotends. Using Duet 3 hardware running 3.4.6

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                      • undefined
                        dmbgo
                        last edited by 16 Jan 2021, 23:09

                        @alankilian said in Problem with rear side of Test Cube:

                        1/ Do you see filament extruding on the back cornets?
                        2/ Do you hear your extruder struggling/clicking when that happens?
                        3/ Can you rotate the cube 180-degrees to see if it then happens on the front?
                        4/Can you rotate the entire printer 180-degrees to see if it changes due to airflow?
                        5/Do you have an enclosure?

                        1/ Back cornets?
                        2/No clicking, extruding nicely when I move it up and extrude some filament.
                        3/I should have mentioned that I had done that, it still happens on the rear (mainly)
                        4/The pinter is on a wheeled trolley, I have tried that. Ambient temp is 18.4C atm.

                        Regards David Maher

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                        • undefined
                          dmbgo
                          last edited by dmbgo 16 Jan 2021, 23:12

                          "From what I have read ABS really needs a heated enclosure BUT I don't know if that is related to your problem. Frederick"

                          Yes, I found that out a while ago, which is why I made the one in the pic. It is made from 50mm expanded foam, coated with thin fiberglass panels. The material came from an old coolroom.

                          Regards David Maher

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                          • undefined
                            dmbgo
                            last edited by 16 Jan 2021, 23:38

                            But the issue remains. Any other helpful suggestions, they've been good so far?

                            Regards David Maher

                            undefined 1 Reply Last reply 16 Jan 2021, 23:43 Reply Quote 0
                            • undefined
                              fcwilt @dmbgo
                              last edited by 16 Jan 2021, 23:43

                              @dmbgo said in Problem with rear side of Test Cube:

                              But the issue remains. Any other helpful suggestions, they've been good so far?

                              Instead of printing a cube can you create a model of a disc, say, 50 mm in diameter and 5 mm thick?

                              If you can print it using you normal settings.

                              Frederick

                              Printers: a small Utilmaker style, a small CoreXY and a E3D MS/TC setup. Various hotends. Using Duet 3 hardware running 3.4.6

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                              • undefined
                                dmbgo
                                last edited by 16 Jan 2021, 23:43

                                Here's a pic of the printer:

                                20210117_104005.jpg

                                Regards David Maher

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                                • undefined
                                  dmbgo
                                  last edited by 16 Jan 2021, 23:46

                                  Sorry Fredrick, but my modelling capability is V low. Could you please suggest a model from thingiverse or somewhere?

                                  Regards David Maher

                                  undefined 1 Reply Last reply 17 Jan 2021, 00:15 Reply Quote 0
                                  • undefined
                                    fcwilt @dmbgo
                                    last edited by 17 Jan 2021, 00:15

                                    @dmbgo said in Problem with rear side of Test Cube:

                                    Sorry Fredrick, but my modelling capability is V low. Could you please suggest a model from thingiverse or somewhere?

                                    Here you go.

                                    Slice it normally but keep the layer cooling fan(s) off.

                                    Frederick

                                    Disc 050 x 005.stl

                                    Printers: a small Utilmaker style, a small CoreXY and a E3D MS/TC setup. Various hotends. Using Duet 3 hardware running 3.4.6

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                                    • undefined
                                      dmbgo
                                      last edited by 17 Jan 2021, 00:17

                                      Thanks Fredrick

                                      Regards David Maher

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                                      • undefined
                                        dmbgo
                                        last edited by 17 Jan 2021, 00:28

                                        @dmbgo said in Problem with rear side of Test Cube:

                                        Thanks Fredrick

                                        Printing now

                                        Regards David Maher

                                        undefined 1 Reply Last reply 17 Jan 2021, 00:39 Reply Quote 0
                                        • undefined
                                          fcwilt @dmbgo
                                          last edited by 17 Jan 2021, 00:39

                                          @dmbgo said in Problem with rear side of Test Cube:

                                          Printing now

                                          I will check back in a bit.

                                          Frederick

                                          Printers: a small Utilmaker style, a small CoreXY and a E3D MS/TC setup. Various hotends. Using Duet 3 hardware running 3.4.6

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