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    Bed Leveling on a Cartesian printer

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    Tuning and tweaking
    bed leveling
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    • Phaedruxundefined
      Phaedrux Moderator
      last edited by

      If it's 6mm plate could you just remove 5 of those 8 screws and use the remaining 3 to level it properly?

      It might be worth it to check some of the Folgertech user groups and see what other users are doing.

      If you still wished to use all those screws for better bed support and didn't want to wait for official automatic bed leveling support you could use a macro to move the nozzle around to the various points, and then adjust the screw until the bed touches the nozzle. With 8 points though it would probably take a few passes over each to get them into agreement.

      0_1533101620947_0_Auto Bed Level Assist.g

      Here's what I currently use for just 3 points, but you could easily modify it for your purposes by duplicating the positioning sections with your own screw coordinates.

      Z-Bot CoreXY Build | Thingiverse Profile

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

        @phaedrux said in Bed Leveling on a Cartesian printer:

        If it's 6mm plate could you just remove 5 of those 8 screws and use the remaining 3 to level it properly?

        It might be worth it to check some of the Folgertech user groups and see what other users are doing.
        Hi,

        Thanks for the feedback. That is quite the g file you have devised there. I have never contemplated anything quite so comprehensive.

        I did create 8 macros to move from adjustment point to adjustment point and used them to adjust the screws manually. It took a few passes but it came out rather well.

        I now want to print a simple test cube to see how things are working.

        I also want to investigate fitting some sort of Z-probe.

        Thanks again.

        Frederick

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

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        • Phaedruxundefined
          Phaedrux Moderator
          last edited by

          Yeah it seems a little crazy to see it at first but it really makes re leveling a snap. I have another one I run after that to measure the probe trigger height and then another to run mesh grid compensation mapping. Just follow the prompts on the screen and it does everything exactly the same every time.

          Z-Bot CoreXY Build | Thingiverse Profile

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          • WalterSKWundefined
            WalterSKW
            last edited by

            I do have an older FT5. I use only the 4 leveling screws on the edges.
            I still have the 4mm original ALU-bed and it's fine to me.
            I suppose the 713 machined bed is at least 6 or 8mm thick and should have no issue at all.
            Hope this helps.

            Brian once said: "Always look at the bright side of life"
            Works for me!

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            • fcwiltundefined
              fcwilt
              last edited by fcwilt

              Hi,

              I contacted 713 and they suggested just using three of the adjustment screws, two in the corners and one in the middle of the opposite side.

              So I'm going to try that and see how it goes.

              Frederick

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

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              • wilrikerundefined
                wilriker
                last edited by

                @fcwilt It took me a while to realize that "713" is some kind of brand name and not the total count of upgrades for this printer and you installed all of them. 😂

                Manuel
                Duet 3 6HC (v0.6) with RPi 4B on a custom Cartesian
                with probably always latest firmware/DWC (incl. betas or self-compiled)
                My Tool Collection

                Phaedruxundefined fcwiltundefined 2 Replies Last reply Reply Quote 0
                • Phaedruxundefined
                  Phaedrux Moderator @wilriker
                  last edited by

                  @wilriker Same here.

                  https://713maker.com/

                  Then I realized I'd seen them before for their RailCoreII kits.

                  Z-Bot CoreXY Build | Thingiverse Profile

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                  • fcwiltundefined
                    fcwilt @wilriker
                    last edited by

                    @wilriker said in Bed Leveling on a Cartesian printer:

                    @fcwilt It took me a while to realize that "713" is some kind of brand name and not the total count of upgrades for this printer and you installed all of them. 😂

                    My bad for not being clear.

                    713 is not a common name but I thought it was well known in the FT-5 world.

                    Frederick

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

                    wilrikerundefined 1 Reply Last reply Reply Quote 0
                    • wilrikerundefined
                      wilriker @fcwilt
                      last edited by

                      @fcwilt No reason to apologize... It was a fun moment when I finally realized it. 😂

                      Manuel
                      Duet 3 6HC (v0.6) with RPi 4B on a custom Cartesian
                      with probably always latest firmware/DWC (incl. betas or self-compiled)
                      My Tool Collection

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                      • wilrikerundefined
                        wilriker @fcwilt
                        last edited by

                        @fcwilt said in Bed Leveling on a Cartesian printer:

                        And why two of the "middle" ones aren't in the exact middle is also beyond me.

                        In thought about that part of why two of the holes are not in the middle of an edge. It might be that is to realize a mounting style quite similar as @mrehorstdmd does (described in his blog). The only reason why this would be offset from the middle compared to Mark's solution is probably because the bed of a Cartesian is moving back and forth (compared to just up and down) and to reduce the pivoting around these two points by simply offsetting it from the center of mass (not sure if this sentence is fully understandable).

                        Manuel
                        Duet 3 6HC (v0.6) with RPi 4B on a custom Cartesian
                        with probably always latest firmware/DWC (incl. betas or self-compiled)
                        My Tool Collection

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

                          @wilriker

                          Thanks for the feedback.

                          When I asked about the placement of the holes 713 replied that they matched the original part made by Folger Tech.

                          But since 713 said to use just three adjustment screws it is a non-issue.

                          I made some very simple test prints and even without any tweaking of settings and such they are better than what I have been able to get out of my deltas. Not a whole lot better but noticeable.

                          Frederick

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

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