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    D-PATCH

    Scheduled Pinned Locked Moved
    My Duet controlled machine
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    • taconiteundefined
      taconite
      last edited by taconite

      Added a cover for the electronics compartment and fixed the bed. The bed sits on 1 Standoff and 2 Balls, so that the system is constraint but thermal expansion is allowed.

      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 1
      • gtj0undefined
        gtj0 @taconite
        last edited by

        @taconite Nice work! I have no experience with Deltas but I'm definitely interested in how the tool changer works out.

        1 Reply Last reply Reply Quote 1
        • 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

            1 Reply Last reply Reply Quote 0
            • 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<>

                          1 Reply Last reply Reply Quote 0
                          • 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

                                  1 Reply Last reply Reply Quote 0
                                  • 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
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