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    Extrusion Calibration?

    Scheduled Pinned Locked Moved
    Tuning and tweaking
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    • Chrissundefined
      Chriss
      last edited by

      The HightMap looks like that now:

      94f7ed90-f07c-4cb1-b59e-13d147ada556-image.png

      Very much the same warping which is not an surprise. The front right corner is a bit smoother now.

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      • Chrissundefined
        Chriss
        last edited by

        I have printed the "leveling_test" files. Once "normal" with the mesh compensation and once without it (G29 S2). I touched the lead screws from time to time so I was able to feel that the motors where rotating while the head was traveling when the mesh compensation was enabled. They did not rotate while the mesh compensation was off.

        With:

        IMG_20201025_090135.jpg

        Without:
        IMG_20201025_092812.jpg

        I have some more pictures, but I do not want to spam here. 😉

        The squares on the bed to look very good stick on the bed. I will print the big one again, lets see how that ends up now. 😉

        Cheers, Chriss

        peter247undefined 1 Reply Last reply Reply Quote 0
        • peter247undefined
          peter247 @Chriss
          last edited by

          @Chriss

          What is your printer a know type like a cr10 ?.
          Have you tried printing on glass or a mirror ?

          Chrissundefined 1 Reply Last reply Reply Quote 0
          • Chrissundefined
            Chriss @peter247
            last edited by

            @peter247

            It is a cr10 pro v2.
            No, I tried PEI, Pertinax, FR4 and I have a sheet of printbite on my RatRig CoreXY. But this one is still "under construction". I had no chance to tune it in toll now. The CR10 have still to much problems.

            I'm not sure whether I want to try glas or not. I heard about enough problems there, too. And I think that the trend goes away of it, too.

            Cheers, Chriss

            peter247undefined 1 Reply Last reply Reply Quote 0
            • peter247undefined
              peter247 @Chriss
              last edited by peter247

              @Chriss

              Yes , another cr10s pro owner !!!!
              Mine is a cr10s pro v1 , but with the bltouch upgrade .

              Now I know your machine a little better , how is the gantry on Z is it level and is the uprights level.

              Mine was a pig at first I had to take to gantry apart to get the z axis to run level.
              Just a personal one !!!! did you fit the duet in the control box.

              I use one of these :-

              https://technologyoutlet.co.uk/collections/printer-parts-spares/products/carborundum-glass-plate?variant=32606698438735

              Chrissundefined 1 Reply Last reply Reply Quote 0
              • Chrissundefined
                Chriss @peter247
                last edited by

                @peter247

                The portal was not optimal square and it was slightly bent to the back. I fixed that with some slices metal out of a beer can. 😉 But I would not bet that it is perfect now.

                I printed a "holder", which are basically for "pins" on a rectangle:
                b9eef6ee-f29d-4eb7-9116-d3bff68bf19d-image.png

                I glued it right to the original mainboard and the expansion board to the place where the original mainboard was. That works very well. 😉
                I do not need access to the USB and micro SD card, so that is no problem for me, I'm happy with the network access. I swapped to many floppies, harddisks, SD-Cards in my live, I'm more than happy that I do not have to do that any more. 😉

                Hahaha... I ordered the same product a minute ago while you edited your post. 😉

                Cheers, Chriss

                peter247undefined 1 Reply Last reply Reply Quote 0
                • peter247undefined
                  peter247 @Chriss
                  last edited by

                  @Chriss

                  Didn't the cr10s pro v2 come with one of these ?.
                  https://technologyoutlet.co.uk/collections/printer-parts-spares/products/carborundum-glass-plate?variant=32606698438735

                  Or was it like the v1 a metal plate with a buildtakie clone sheet ?

                  Chrissundefined 1 Reply Last reply Reply Quote 0
                  • Chrissundefined
                    Chriss
                    last edited by

                    I'm not sure whether it is getting better or not:

                    IMG_20201025_123025.jpg IMG_20201025_123111.jpg IMG_20201025_123137.jpg

                    I will cut it again later and measure it again. I need to spend some attention to the paperwork for my accountant. 😞

                    Cheers, Chriss

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                    • Chrissundefined
                      Chriss @peter247
                      last edited by

                      @peter247 said in Extrusion Calibration?:

                      Or was it like the v1 a metal plate with a buildtakie clone sheet ?

                      It came with that plastic thingy glued on a alu plate, I guess to reach the same high as the carborundum plate. I tried to get that some month ago but I was not to get one of them. There where so hard soled out that even Creality in CN canceled my order after some month. 😉

                      I ordered on from Amazon and I ordered a similar one from one of my preferred dealers here in Germany:
                      https://www.3djake.de/3djake/glasplatte-mit-chem-beschichtung

                      It seams to me that this is very much the same coating.

                      Btw: I replaced the original heater and the metal plate with a fine routed 4mm aluminum plate. The original one was to close to a banana for me. And I wanted to switch to a 240V heater anyway.

                      Cheers, Chriss

                      peter247undefined 1 Reply Last reply Reply Quote 0
                      • peter247undefined
                        peter247 @Chriss
                        last edited by

                        @Chriss

                        try the UK version :- https://www.3djake.uk/3djake/glass-plate-with-chemical-coating

                        Chrissundefined 1 Reply Last reply Reply Quote 0
                        • Chrissundefined
                          Chriss @peter247
                          last edited by

                          @peter247

                          Hahaha... well, as a German.... 😉

                          1 Reply Last reply Reply Quote 0
                          • Chrissundefined
                            Chriss
                            last edited by

                            Hahahaha... they are from Austria! 🙂

                            https://www.3djake.uk/info/our-group

                            peter247undefined 2 Replies Last reply Reply Quote 0
                            • peter247undefined
                              peter247 @Chriss
                              last edited by peter247

                              @Chriss

                              I've ordered off them before , but thought they was Czech , but I think I was mixing that up with Fillamentum which is what I purchased.

                              ( The niceshops group is an Austrian company )

                              peter247undefined Chrissundefined 2 Replies Last reply Reply Quote 0
                              • Vetiundefined
                                Veti
                                last edited by

                                i am currently trying
                                https://princore.de/collections/dauerdruckplatten-prinplate/products/prinplate-extreme-dauerdruckplatte-2mm-1

                                and it sticks very well (only tested pla)

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                                • peter247undefined
                                  peter247 @peter247
                                  last edited by

                                  This post is deleted!
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                                  • peter247undefined
                                    peter247 @Chriss
                                    last edited by

                                    @Chriss

                                    This is my test of my cr10s pro.
                                    My test file is 200mm x 200mm x 0.2mm , 30mm smaller and a second layer , 30mm smaller and another layer .
                                    IMG_0208.JPG
                                    Had a little problem in one corner , but I think it was due to not cleaning the bed for the test and running over the remains of my last print.

                                    Chrissundefined 1 Reply Last reply Reply Quote 0
                                    • Chrissundefined
                                      Chriss @peter247
                                      last edited by

                                      @peter247

                                      Looks good to me, well at least I can tell with this resolution of the picture.
                                      I will get my glass surface in the next days, lets see what the results will show than. I have enough 3D printer for today. 😉

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                                      • Chrissundefined
                                        Chriss @peter247
                                        last edited by

                                        @peter247

                                        Short update: The creality glas bed arrived the day before yesterday and I printed a first layer on it. (HightMap etc...)
                                        The print on the glass bed had the same problem as the print on the pertinax plate. I think that there is a problem with the mechanics of the printer.
                                        The layer thickness jumps in a view millimeters from 0.17 to 0.32. 😞

                                        I'm tuning in my RatRig CoreXY in parallel, that is soooo much better. The print of the first layer looks very good and with a stable thickness of the first layer. That convinces me even more that it's not my fault only, there must be something wrong with the CR10.

                                        And all of that is not new to me. I have adhesion problems with that printer since the very first day. (@Phaedrux will remember my endless threads of quality and strange behavior problems.)

                                        Cheers, Chriss

                                        Phaedruxundefined peter247undefined 2 Replies Last reply Reply Quote 0
                                        • Phaedruxundefined
                                          Phaedrux Moderator @Chriss
                                          last edited by

                                          @Chriss said in Extrusion Calibration?:

                                          I think that there is a problem with the mechanics of the printer.

                                          I think you might be right. Something is either pulling or lifting or out of true. Unplug the power, unplug the steppers from the board, get eye level with it, and start moving it around by hand and see if you can notice anything change when in that area of the bed.

                                          Z-Bot CoreXY Build | Thingiverse Profile

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                                          • peter247undefined
                                            peter247 @Chriss
                                            last edited by

                                            @Chriss

                                            Like I said I had problem with my cr10s pro at first.
                                            Home your printer and check the roller that they aren't too tight or too loose .
                                            Keep raising z axis and keep checking the Z axis.

                                            My problem was when it was level using levelling blocks to the top of the control box the roller wasn't level so I need to take the gantry apart to level the x bar myself

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