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    D-PATCH

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

      Hey guys,

      after countless hours and multiple iterations, I would like to present to you the D-PATCH (Delta Printer with automatic tool changing). To my knowledge there is no Delta Printer available with tool-changing. I have been working on it for over 2 years (started in March 2018) and I am proud, that it is now a reality.

      As you can see it’s not completely finished yet, because the actual tool changer is missing, but is in the making. A prototype is existing already.

      Stats about the Printer:

      Print volume: 300x300mm

      Available tools: 5 (for now)

      Board: Duet 2 Wifi + Duex 5

      Power Supply: 24V 13A Meanwell

      Security: Circuit breaker + RCD +Emergency Stop

      Bed: milled aluminium bed with 600W mains heater switched with SSR

      Print surface: Magnetic bed

      Tool-Changing: Automatic and Manual

      Control: PanelDue

      I will updated the tread when I make more progress.

      I'm really curious about your opinions and please let me know if you have any questions.

      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

      gtj0undefined 1 Reply Last reply Reply Quote 6
      • 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

                  1 Reply Last reply Reply Quote 0
                  • 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<>

                        1 Reply Last reply Reply Quote 0
                        • 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
                                • fškundefined
                                  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
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