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QND Pololu Heatsink for RAMPS

by CloudMaker, published

QND Pololu Heatsink for RAMPS by CloudMaker Jun 12, 2011
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Description

Quick and dirty heatsinks.

Superglue copper mig welding tips to the driver chips.

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Thermal adhesives work better because they have higher thermal conductivity. In this situation, superglue may work well enough, but in a bad situation (such as a thick layer of glue between your chip and your sink), you could have much higher temperatures with the heat sink than without.

i like that idea,

Or just buy SMD heatsinks which are probably cheaper than MIG Tips :p

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Pololu, RAMPS

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QND Pololu Heatsink for RAMPS by CloudMaker is licensed under the Creative Commons - Attribution license.

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QND Pololu Heatsink for RAMPS by CloudMaker is licensed under the Creative Commons - Attribution license.
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dissidence on Jun 12, 2011 said:

i like that idea,

PhillyDee on Jun 12, 2011 said:

Or just buy SMD heatsinks which are probably cheaper than MIG Tips :p

MtDon on Jun 12, 2011 said:

Does superglue work just as well as those expensive thermal adhesives from the electronics store? (admitting my ignorance)

CloudMaker on Jun 12, 2011 said:

In practice I think the Superglue works perfectly (at least for this design). The least I can say is that the heat is well transfered from the chip to copper tips because they become very hot, so using a thermal adhesive would probably not improve function noticeably.

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