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    D-PATCH

    Scheduled Pinned Locked Moved
    My Duet controlled machine
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    • 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
                  • 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?

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

                          @jpomo10
                          Yep it is set up as U axis. I wrote a custom post-processing script for cura 😉

                          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

                            Hey guys,

                            I keep posting small videos - some are not really special but I still want to share them with you: https://youtu.be/6-CR_1vN3cE

                            In this small video I print with my go-to 100mm/s-profile

                            And I just uploaded a video of the change of 4 tools
                            https://youtu.be/aJt_HRal5rY

                            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 2
                            • HebigTundefined
                              HebigT @taconite
                              last edited by HebigT

                              @taconite Thanks for the links!

                              Also, check out the posts about a TC Delta on this page: https://twitter.com/deltamaker

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

                                @jpomo10 Nice to see that others are thinking about options aswell.

                                To be honest these were my first attempts aswell. The first concept was magnets and the second one permanent-electromagnets after that, but after a lot of testing I decided not to use magnets.

                                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 taconite

                                  Hello guys,

                                  I went a new way for the cooling of the tools without some parts of the sci fi attack hovercraft.
                                  I added a fan to each tool instead. The data shows that the cooling is sufficient.

                                  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 3
                                  • taconiteundefined
                                    taconite
                                    last edited by taconite

                                    Hey guys,

                                    so at the moment the printer is 99% finished. Just some minor modifications need to be done.

                                    If there is interest in the community I will put the files on thingiverse and a BOM and some instructions on github - just let me know.

                                    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 1
                                    • o_lampeundefined
                                      o_lampe @taconite
                                      last edited by

                                      @taconite said in D-PATCH:

                                      If there is interest in the community I will put the files on thingiverse and a BOM

                                      I'm sure there is a big interest, but the custom CNC parts are cooling down my curiosity.
                                      Why not open a (kickstarter) campaign and sell the required parts?

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

                                        @o_lampe
                                        Valid point but the good thing is the only custom CNC part necessary are the conical rings for the tools and those will not break the bank.

                                        The sheet metal parts are not needed for the system to work. Everything else can be 3d printed or not a problem to source.

                                        Currently I am working on an improved V3 which need more metal parts to be custom made, but this version should be a good option for the typical maker

                                        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
                                        • o_lampeundefined
                                          o_lampe @taconite
                                          last edited by

                                          @taconite said in D-PATCH:

                                          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

                                          This part is the most interesting detail to me.
                                          I'm currently planning to make a tool changer for my CoreXY with a Titan extruder. I want to change the heatsink only and until now I'm on a magnetic twist & snap road. Your design looks much easier to implement, but a CoreXY can't lower the effector to release the heatsink.
                                          Anyway, I'll mention you in my Biography if I steal this idea from you 😉

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

                                            @o_lampe said in D-PATCH:

                                            @taconite said in D-PATCH:

                                            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

                                            This part is the most interesting detail to me.
                                            I'm currently planning to make a tool changer for my CoreXY with a Titan extruder. I want to change the heatsink only and until now I'm on a magnetic twist & snap road. Your design looks much easier to implement, but a CoreXY can't lower the effector to release the heatsink.
                                            Anyway, I'll mention you in my Biography if I steal this idea from you 😉

                                            What you could do is a C shaped bayonett so you open up the groove-mount and close it again. The C could hav a little bulk in the middle to press the groove into the correct position

                                            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 1
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