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Old 08-28-2006, 04:09 PM   #31
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i think you have to use that thermal adhesive stuff
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Old 08-28-2006, 09:08 PM   #32
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First is to gather all the materials.
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Old 08-28-2006, 09:09 PM   #33
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Next, put the hotside of the peltier on the heatsink with a tiny bit of thermal paste. NOT thermal adhesive.
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Old 08-28-2006, 09:13 PM   #34
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Put the clamp on the cold side.
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Old 08-28-2006, 09:15 PM   #35
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Put the thermal adhesive all around the peltier, under the heatsink and clamp, but not between the peltier surfaces. Wire up the fan and put connectors on and your ready to go. Apply a little bit of pressure while it dries. Don't clamp down on it in a vice, just set something on top of it.
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Old 08-28-2006, 09:45 PM   #36
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Let me get this clear, You put the thermal adhesive around the edge of the peltier or on the cold or hot face of the peltier?
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Old 08-28-2006, 09:56 PM   #37
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I'm asking you because I built one of these, and use thermal silver epoxy to glue the hot side of the peltier to the heatsink and the cold side to the clamp. It was working beautifully for a week or so and then it just wasn't cooling as before. It drop from like 18 deg f to like 70 deg f for no apparent reason. I stop using it as it wasn't effective enough.
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Old 08-28-2006, 10:11 PM   #38
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How well does it work in celcius?
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Old 08-28-2006, 10:24 PM   #39
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I put adhesive around the peltier to hold the clamp to the heatsink and sandwitch the peltier. And a tiny dap of thermal adhesive between the heatsink and peltier.
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Old 08-28-2006, 10:25 PM   #40
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Someone has my temp gun so I can't check temp right now, but it gets frost on it.
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Old 08-28-2006, 10:26 PM   #41
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Where I can get those Thermal Adhesive/Paste?
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Old 08-28-2006, 10:28 PM   #42
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For some reason I have two of them degrading in performance. I didn't think it was neccesary using thermal paste as I was using the thermal epoxy to hold it together.
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Old 08-28-2006, 10:35 PM   #43
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you can find it at frys electronics or a computer components store
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Old 08-28-2006, 10:39 PM   #44
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... How much did it cost to build? My only option right now is putting my heatsink in the freezer. It doesnt keep cool very long either. Maybe saltwater in the freezer with the heatsink in it.
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Old 08-28-2006, 10:40 PM   #45
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Quote:
Originally Posted by MK_Arbiter
How well does it work in celcius?
my temp gun doesn't change from farenheith to celcius.. sorry do an internet search for conversion tables and plug the numbers
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