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    Problem with rear side of Test Cube

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    • fcwiltundefined
      fcwilt @dmbgo
      last edited by

      @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 E3D MS/TC setup and a RatRig Hybrid. Using Duet 3 hardware running 3.4.6

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      • dmbgoundefined
        dmbgo
        last edited by

        Thanks Fredrick

        Regards David Maher

        1 Reply Last reply Reply Quote 0
        • dmbgoundefined
          dmbgo
          last edited by

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

          Thanks Fredrick

          Printing now

          Regards David Maher

          fcwiltundefined 1 Reply Last reply Reply Quote 0
          • fcwiltundefined
            fcwilt @dmbgo
            last edited by

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

            Printing now

            I will check back in a bit.

            Frederick

            Printers: a E3D MS/TC setup and a RatRig Hybrid. Using Duet 3 hardware running 3.4.6

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            • dmbgoundefined
              dmbgo
              last edited by

              Where are you Fredrick? If it is too late at night, we can leave it until tomorrow.

              Regards David Maher

              fcwiltundefined 1 Reply Last reply Reply Quote 0
              • fcwiltundefined
                fcwilt @dmbgo
                last edited by

                @dmbgo I'm here.

                Frederick

                Printers: a E3D MS/TC setup and a RatRig Hybrid. Using Duet 3 hardware running 3.4.6

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                • dmbgoundefined
                  dmbgo
                  last edited by

                  The disk is printing at 30 mm/s. It will probably take about 20mins more.

                  Regards David Maher

                  fcwiltundefined 1 Reply Last reply Reply Quote 0
                  • fcwiltundefined
                    fcwilt @dmbgo
                    last edited by

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

                    The disk is printing at 30 mm/s. It will probably take about 20mins more.

                    What does it look like so far?

                    Frederick

                    Printers: a E3D MS/TC setup and a RatRig Hybrid. Using Duet 3 hardware running 3.4.6

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                    • dmbgoundefined
                      dmbgo
                      last edited by

                      disk progress.jpg

                      Regards David Maher

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                      • fcwiltundefined
                        fcwilt
                        last edited by

                        OK.

                        I'll check back in 15 mins.

                        Frederick

                        Printers: a E3D MS/TC setup and a RatRig Hybrid. Using Duet 3 hardware running 3.4.6

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                        • dmbgoundefined
                          dmbgo
                          last edited by

                          The bed levelling is a bit out now, but I dont think it will affect the disc

                          Regards David Maher

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                          • dmbgoundefined
                            dmbgo
                            last edited by

                            Almost there...
                            20210117_125414.jpg 20210117_125356.jpg

                            Regards David Maher

                            fcwiltundefined 1 Reply Last reply Reply Quote 0
                            • fcwiltundefined
                              fcwilt @dmbgo
                              last edited by

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

                              Almost there...
                              20210117_125414.jpg 20210117_125356.jpg

                              It's going as I expected.

                              Frederick

                              Printers: a E3D MS/TC setup and a RatRig Hybrid. Using Duet 3 hardware running 3.4.6

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                              • dmbgoundefined
                                dmbgo
                                last edited by

                                Just covering the top now.

                                Regards David Maher

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                                • antlestxpundefined
                                  antlestxp
                                  last edited by antlestxp

                                  is your bed level? looks like the nozzle is closer on one side of the print than the other. a bad first layer can make trouble for the rest of the print in abs, especially if you are printing small items with short layer times. I would try leveling the bed so the first layer looks perfect and printing 2 test cubes instead of one to give each layer enough time to cool off before the next layer hits. I forgot to ask how ridged is your carriage? is there any play or slop in any direction?

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                                  • dmbgoundefined
                                    dmbgo
                                    last edited by

                                    Fredrick, it has printed.
                                    RHS-Test-Disk.jpg Front-Test-Disk.jpg Rear-Test-Disk.jpg

                                    Regards David Maher

                                    fcwiltundefined 1 Reply Last reply Reply Quote 0
                                    • fcwiltundefined
                                      fcwilt @dmbgo
                                      last edited by

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

                                      Fredrick, it has printed.

                                      I think you may just be seeing ABS shrinkage.

                                      You do have a bed adhesion issue on one section and I imagine you can see that.

                                      If you have some PLA perhaps print the same object and see what you get.

                                      Have you got any PETG you could try? It's a good alternative to ABS and it doesn't have the kind of shrinkage issue that ABS has.

                                      Frederick

                                      Printers: a E3D MS/TC setup and a RatRig Hybrid. Using Duet 3 hardware running 3.4.6

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                                      • dmbgoundefined
                                        dmbgo
                                        last edited by

                                        @antlestxp,
                                        The bed isn't level atm, the bed is usually level though, I just wanted to get the disk printed before it was too late for Fredrick.

                                        I will now try printing 2 x test cubes at once, since, as you say it might be caused by the print failing to cool fast enough.

                                        Regards David Maher

                                        fcwiltundefined 1 Reply Last reply Reply Quote 0
                                        • fcwiltundefined
                                          fcwilt @dmbgo
                                          last edited by

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

                                          @antlestxp,

                                          I will now try printing 2 x test cubes at once, since, as you say it might be caused by the print failing to cool fast enough.

                                          You don't want ABS to cool fast - that exacerbates the shrinkage issue. That's why I said to print this test with no layer cooling.

                                          Frederick

                                          Printers: a E3D MS/TC setup and a RatRig Hybrid. Using Duet 3 hardware running 3.4.6

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                                          • dmbgoundefined
                                            dmbgo
                                            last edited by

                                            Thanks Fredrick, I do have some other filaments somewhere, and your model has shown me that the printer is capable of printing well, if the conditions are right. I as using ABS, since I thought that if I could get that to print well, everything else should be easy.
                                            Thanks for your help.

                                            Regards David Maher

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