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    Duet2wifi water-cooled

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    • A Former User?
      A Former User
      last edited by

      as @bearer said, move the duet outside of the enclosure, change the wires, lengthen them and you are golden ... if you really can't do it, give up on water and go with mineral oil, dump the whole thing in mineral oil and cool the mineral oil tank with a coil that has cold water running trough it if you areadly have water cooling set up

      Phaedruxundefined zaptaundefined 2 Replies Last reply Reply Quote 0
      • Phaedruxundefined
        Phaedrux Moderator @A Former User
        last edited by

        @smece said in Duet2wifi water-cooled:

        as @bearer said, move the duet outside of the enclosure, change the wires, lengthen them and you are golden ... if you really can't do it, give up on water and go with mineral oil, dump the whole thing in mineral oil and cool the mineral oil tank with a coil that has cold water running trough it if you areadly have water cooling set up

        @pipersw and please post pictures!

        Z-Bot CoreXY Build | Thingiverse Profile

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        • zaptaundefined
          zapta @A Former User
          last edited by zapta

          As @smece said, move the duet outside of the enclosure if possible. This addresses the root cause.

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          • piperswundefined
            pipersw
            last edited by

            I cannot put the electronic outside I prefer to have all inside the printer and no wire outside the enclosure.

            A Former User? A Former User? 2 Replies Last reply Reply Quote 0
            • A Former User?
              A Former User @pipersw
              last edited by

              @pipersw how do you plan on cooling the water? If you can stick a radiator + fan on the outside you probably fit the Duet in the same space instead. If you plan on having the water cooling all on the inside then you're just adding heat to the closed system.

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              • Nxt-1undefined
                Nxt-1 @pipersw
                last edited by

                @pipersw said in Duet2wifi water-cooled:

                Waterblock have to be put on top of the components or on the bottom pcb ?

                In general (at least for the stepper drivers) you need to cool components from the bottom. Their thermal via's are on the bottom of the components and in direct contact with the heavy copper planes in the pcb to distribute the heat. So it also makes sense to cool the whole underside of the pcb if at all possible.

                @pipersw said in Duet2wifi water-cooled:

                I could use thermal adhesive for fixing the blocks on pcb, but I don't know if it's electrical conductive.

                Have you some pictures of duet2wifi bottom ?

                I have found that often thermal compounds are at least a bad conductor, sometimes even a good one. So definitely check your material. On the topic of attaching your waterblock, keep in mind that the bottom surface of the Duet has many protrusions from component legs sticking trough the board. I would be surprised if you can fit a decent sized water block to the bottom with any amount of thermal contact.
                The picture below (samelessly taken from somewhere else on the forum) illustrates my point.
                Clipboard01.jpg

                Duet3D and delta printer enthousiast. Buildlog
                Looking for Duet3D configuration support, check out Nxt-3D

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                • A Former User?
                  A Former User @pipersw
                  last edited by

                  @pipersw said in Duet2wifi water-cooled:

                  I cannot put the electronic outside I prefer to have all inside the printer and no wire outside the enclosure.

                  Cannot or don't want to?

                  Prefer it all you want, it's NOT a good idea.

                  You came here requesting help, if you don't like the advice being offered what is the point in asking?

                  piperswundefined 1 Reply Last reply Reply Quote 0
                  • piperswundefined
                    pipersw @A Former User
                    last edited by

                    @CaLviNx said in Duet2wifi water-cooled:

                    @pipersw said in Duet2wifi water-cooled:

                    I cannot put the electronic outside I prefer to have all inside the printer and no wire outside the enclosure.

                    Cannot or don't want to?

                    Prefer it all you want, it's NOT a good idea.

                    You came here requesting help, if you don't like the advice being offered what is the point in asking?

                    Why are you so agressive ?
                    The enclosure is in my living room, so noise is important, and I don't want the duet outside, only the radiator.

                    In commercial temperature, the components are operating up to 70C ambiant, and 85C in industrial temperature.

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                    • A Former User?
                      A Former User @pipersw
                      last edited by A Former User

                      @pipersw said in Duet2wifi water-cooled:

                      I don't want the duet outside, only the radiator

                      ...that moment you realize that the cooling of the radiator will have to match the cooling of the duet in any case...
                      (also have you even read https://duet3d.dozuki.com/Wiki/Mounting_and_cooling_the_board#Section_Cooling )

                      edit:

                      In commercial temperature, the components are operating up to 70C ambiant, and 85C in industrial temperature.

                      Their specifications are still listed at 25C, exceed that and expect to derate everything including power handling and MTBF.

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                      • A Former User?
                        A Former User @pipersw
                        last edited by

                        @pipersw said in Duet2wifi water-cooled:

                        so noise is important

                        but you will have more noise from the fan on the water grill than you will have from duet, on room temperature with nice heatsinks stuck to the bottom there's no need for force cooling (I do have some "will start to blow fan if the box temp goes over 40c" but the fan never turns on)

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                        • Phaedruxundefined
                          Phaedrux Moderator
                          last edited by

                          If you mount the duet outside vertically with enough air vents it likely won't need a fan at all unless you're running 2a+ current.

                          Z-Bot CoreXY Build | Thingiverse Profile

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