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The first main challenge with this build is mounting the power supply,
fortunately that's the easy part as it only takes one hole to be drilled and
then just screwing it in. the main bulk work it cleaning up the cabling.
frankly, after messing with it for far to long... I cut everything off the
power supply with some wire cutters other than the main plug so I could easily
jump it to always be on and one set of Molex connectors for the peltiers. Make
sure when you mount the power supply that it can breathe nicely as you see
here.
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| So now we start installing the insulation in the case. The Styrofoam is really
easy to work with, just a bit messy. Using a nice serrated bread knife just
measure and cut, if it's to bit it will squish into place a bit. To small and a
little expand foam and your good. Seal around the power supply carefully to
make sure that it has an air tight seal. You don't want to be using your cold
air for your soon to be cool ones to cool a power supply! |
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| Now we start layering the foam. 2 layers should be about enough and 3 in the
rear as that's where the heat sinks are. Just use a little of the spray foam to
seal the joints and glue the peaces together. |
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| Next up is a trial fit of some plexy I cut as the shelving. Using some
cardboard I cut and shaped and experimented to make sure I got the fit right
then I traced it onto some plexy. Make sure to cut it wide you can cut a notch
in the foam that it can sit in for support. |
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| With the ramps in place cut 2 holes in the back of the case and in the foam as
well for the heat sinks. Just trace around them when you cut the foam, it
doesn't have to be super precise as you can fill any gaps with the spray foam.
Finally, wire the internal fans into the power supply lead. One other thing to
note is the hole in the front of the case. We cut this out so the drinks can
roll right out the front of the case. But as there is a cap between the inside
and outer cases the cans come to rest in the gap nicely. |
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| So the final assembly here is really important. I used glue, and some more
glue, And finished up with more glue. So the process went something like this.
I used some hot glue to glue the heat sinks to the case. With that done I then
used some clear silicone to seal around the heat sinks so there were no air
leaks. Then I used some artic silver epoxy to glue the inside heat sinks
permanently to the peltiers cold block. (Make sure it's super clean or the
epoxy won't stick.) Then I finished up with some spray foam on the inside. It
was a really easy assembly. And the artic silver epoxy is super strong stuff
and very thermally active stuff! |
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| So with some foam glued to the inside panel and the wiring all done, all you
have to do is plug the unit in and it's immediately hard at work cooling your
cold ones just for you. |
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