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    D-PATCH

    Scheduled Pinned Locked Moved
    My Duet controlled machine
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    • Danalundefined
      Danal
      last edited by

      FANTASTIC. I was thinking about going down this road...

      You've posted a lot of info and pics, and I will be looking at them very carefully, meanwhile TELL US MORE!!!

      This is incredible. Fantastic. Superlative. Nifty. I'm running out of words (at least without cheating on the web) and I hope I've conveyed just how cool this is.

      Bravo!

      Now, to look at your pics!!

      Delta / Kossel printer fanatic

      1 Reply Last reply Reply Quote 0
      • Danalundefined
        Danal
        last edited by

        Would you be willing to post the tool macros?

        Delta / Kossel printer fanatic

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        • taconiteundefined
          taconite
          last edited by

          @gtj0 thank you :), I will keep updating this post with news

          @Danal Thank you very much for your kind words. It feels good to hear, that people like it 🙂
          What else would you like to know?

          I have not completed the tool macros for this machine, yet but I can upload the ones for the prototype

          Custom ANET A8
          Custom Delta: D-PATCH (Delta Printer with Automatic Tool CHanging) https://forum.duet3d.com/topic/16082/d-patch?_=1596131234754

          All I do here is under this license: CC BY-NC-SA

          1 Reply Last reply Reply Quote 0
          • taconiteundefined
            taconite
            last edited by

            Hey Guys,

            I uploaded some videos of the first prints here.
            Furthermore I added a video of a manual tool change
            https://www.youtube.com/user/Taconiteable/videos

            Best Regards
            Adrian

            Custom ANET A8
            Custom Delta: D-PATCH (Delta Printer with Automatic Tool CHanging) https://forum.duet3d.com/topic/16082/d-patch?_=1596131234754

            All I do here is under this license: CC BY-NC-SA

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            • oliofundefined
              oliof
              last edited by

              That's really cool, I missed your original post! The first tool changing delta I am aware of is from 2013 (see https://www.youtube.com/watch?v=f60YuBrHRCA -- it's actually a pancake printer as shown in https://www.youtube.com/watch?v=t3O19n_JqXU).

              We've come a long way in the mean time! Can you give some details on your locking mechanism? It seems way more involved than a bunch of magnets.

              <>RatRig V-Minion Fly Super5Pro RRF<> V-Core 3.1 IDEX k*****r <> RatRig V-Minion SKR 2 Marlin<>

              1 Reply Last reply Reply Quote 1
              • taconiteundefined
                taconite
                last edited by taconite

                @oliof Yeah you are right - I found these videos, too, when I started to look into tool changing Delta printers, but not many infos out there.

                About your question - yeah a little more brain juice went into the design of the locking mechanism.
                So it is basically a bayonet lock that is driven by a Bowden cable and reset by a bunch of springs

                The pieces of the bayonet that lock the tool are angled so a downward force is created by the rotation of the bayonet. It is locking onto 3 zylindrical pins that are placed 120° apart from each other so that the locking is uniformly

                Custom ANET A8
                Custom Delta: D-PATCH (Delta Printer with Automatic Tool CHanging) https://forum.duet3d.com/topic/16082/d-patch?_=1596131234754

                All I do here is under this license: CC BY-NC-SA

                o_lampeundefined 1 Reply Last reply Reply Quote 4
                • oliofundefined
                  oliof
                  last edited by

                  Pretty cool! I hope you publish your design one day as this would be an interesting setup for three printers down my ideas to build (orthogonal tripteron, or sextupteron). But that's a couple years out optimistically speaking (-:

                  <>RatRig V-Minion Fly Super5Pro RRF<> V-Core 3.1 IDEX k*****r <> RatRig V-Minion SKR 2 Marlin<>

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                  • taconiteundefined
                    taconite
                    last edited by

                    Thanks that you like it! Yeah as soon as this version will be finished I'm thinking about publish the files under CC-BY-NC so that the community can use it 🙂

                    BTW: I really love your unconventional tripteron design!

                    Custom ANET A8
                    Custom Delta: D-PATCH (Delta Printer with Automatic Tool CHanging) https://forum.duet3d.com/topic/16082/d-patch?_=1596131234754

                    All I do here is under this license: CC BY-NC-SA

                    1 Reply Last reply Reply Quote 2
                    • oliofundefined
                      oliof
                      last edited by

                      The design is not mine though. That credit goes to Evan Callicoat.

                      <>RatRig V-Minion Fly Super5Pro RRF<> V-Core 3.1 IDEX k*****r <> RatRig V-Minion SKR 2 Marlin<>

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                      • taconiteundefined
                        taconite
                        last edited by taconite

                        Started working on the Tool-Changer itself

                        Custom ANET A8
                        Custom Delta: D-PATCH (Delta Printer with Automatic Tool CHanging) https://forum.duet3d.com/topic/16082/d-patch?_=1596131234754

                        All I do here is under this license: CC BY-NC-SA

                        1 Reply Last reply Reply Quote 2
                        • taconiteundefined
                          taconite
                          last edited by

                          Hey guys,

                          worked a little bit more on the printer.
                          I got the first automatic tool change (even if it needs a little more tuning), but it's a first step in the "proof of concept" direction (which I already did with the first prototyp).

                          https://youtu.be/OE60ZKuhTJ0

                          Custom ANET A8
                          Custom Delta: D-PATCH (Delta Printer with Automatic Tool CHanging) https://forum.duet3d.com/topic/16082/d-patch?_=1596131234754

                          All I do here is under this license: CC BY-NC-SA

                          fškundefined 1 Reply Last reply Reply Quote 1
                          • fÅ¡kundefined
                            fšk @taconite
                            last edited by

                            @taconite that's a cool design. Where did you get the tapered metal parts?

                            1 Reply Last reply Reply Quote 0
                            • taconiteundefined
                              taconite
                              last edited by

                              @fšk thank you 😉
                              I designed the tool so, that it utalizes standard stock material. The tapered part was done by a friend of mine on a standard lathe.

                              Custom ANET A8
                              Custom Delta: D-PATCH (Delta Printer with Automatic Tool CHanging) https://forum.duet3d.com/topic/16082/d-patch?_=1596131234754

                              All I do here is under this license: CC BY-NC-SA

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                              • taconiteundefined
                                taconite
                                last edited by taconite

                                Tool Change Scripts

                                Custom ANET A8
                                Custom Delta: D-PATCH (Delta Printer with Automatic Tool CHanging) https://forum.duet3d.com/topic/16082/d-patch?_=1596131234754

                                All I do here is under this license: CC BY-NC-SA

                                1 Reply Last reply Reply Quote 2
                                • taconiteundefined
                                  taconite
                                  last edited by

                                  Tool Changing of two tools can be seen here:
                                  https://youtu.be/nLvNUum48fg

                                  upcoming is the first multi-material print

                                  Custom ANET A8
                                  Custom Delta: D-PATCH (Delta Printer with Automatic Tool CHanging) https://forum.duet3d.com/topic/16082/d-patch?_=1596131234754

                                  All I do here is under this license: CC BY-NC-SA

                                  JoergS5undefined 1 Reply Last reply Reply Quote 1
                                  • JoergS5undefined
                                    JoergS5 @taconite
                                    last edited by

                                    @taconite that's a nice tool changer!

                                    1 Reply Last reply Reply Quote 1
                                    • HebigTundefined
                                      HebigT
                                      last edited by

                                      @taconite Hey any thoughts about preventing heat-creep after a (hot) tool is placed back on the carousel?

                                      1 Reply Last reply Reply Quote 1
                                      • taconiteundefined
                                        taconite
                                        last edited by taconite

                                        @JoergS5 Thank you
                                        @jpomo10 of course ;). There are multiple options:

                                        1. set the stand-by temperature so low, that a equilibrium is reached
                                          (+ no additional fans, - long heat up time)

                                        2. one fan for each tool in parking position
                                          (+ sufficient cooling, - lot of fans with lots of noise)

                                        3. one bigger fan with a fan-duct to direct the air to the heat sinks of the tools in parking position

                                        For now I have no fans at all. So after the first prints I had not a lot of heat creep and no problems with jams. But I guess I will move on with option 3

                                        BTW: I posted another video of the first dual color print on youtube

                                        Custom ANET A8
                                        Custom Delta: D-PATCH (Delta Printer with Automatic Tool CHanging) https://forum.duet3d.com/topic/16082/d-patch?_=1596131234754

                                        All I do here is under this license: CC BY-NC-SA

                                        HebigTundefined 1 Reply Last reply Reply Quote 4
                                        • Vetiundefined
                                          Veti
                                          last edited by

                                          this looks like a sci fi attack hovercraft

                                          1 Reply Last reply Reply Quote 1
                                          • HebigTundefined
                                            HebigT @taconite
                                            last edited by

                                            @taconite Thanks for the reply!

                                            Is the tool-changer "carriage" set up as an additional axis? How does it increment along with the Z-axis?

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