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    D-PATCH

    Scheduled Pinned Locked Moved
    My Duet controlled machine
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    • 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
                          • o_lampeundefined
                            o_lampe @taconite
                            last edited by

                            @taconite
                            That's an option. I had a different idea last night:
                            I use these two hotend pickup pins as twist&lock pins, too.
                            The pins would be *U-*shaped and they are mounted into the heatsink-adapter. The tool changer would then connect with the pins and the guides inside the tool changer would twist the pins to unlock the hotend from the Titan housing. I have no idea how to design this twist in Fusion360. But I'll post it in my Blog

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

                              Hey guys,

                              just a quick update. Here you can see a printed spur-gear with different functionalities.

                              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 said in D-PATCH:

                                just a quick update. Here you can see a printed spur-gear with different functionalities.

                                Can you please explain the different functionalities? Seems you mixed different material to get different properties (stiffness, flexibility/compliance?)

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                                • taconiteundefined
                                  taconite
                                  last edited by

                                  So of course the functionalities come with the multi-material print

                                  1. reduced friction and therefor wear
                                  2. increased strength/stiffness
                                  3. flexible material for compliance/dampening of torque peaks
                                  4. Sensor element for the detection of wear

                                  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 0
                                  • JoergS5undefined
                                    JoergS5 @taconite
                                    last edited by JoergS5

                                    @taconite thank you for explaining! Do you use some of those BF350 as sensor or something different?

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

                                      Better 😉 conductive filament

                                      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 0
                                      • JoergS5undefined
                                        JoergS5 @taconite
                                        last edited by

                                        @taconite clever idea!

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

                                          Here you can see some better pictures of the D-PATCH

                                          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 PCRundefined 2 Replies Last reply Reply Quote 3
                                          • HebigTundefined
                                            HebigT @taconite
                                            last edited by

                                            @taconite Happy to see this project alive and well!

                                            1 Reply Last reply Reply Quote 0
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