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fixing a heatsink?

1149 Views 26 Replies 8 Participants Last post by  HardwaterH4ck3r
I would like to know if there is a way to restore the "perfect flat" surface of a heatsink(the part that actually comes in contact with the CPU). Like if it had small grooves in it or something, how could I fix that?
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use this lapping kit, it is sanding the surface perfectly flat and polishing the surface mirror smooth,it can drop your temps about 2-3 c too...... check this site for a good lapping kit...http://www.easypckits.com/
 

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Quote:


Originally Posted by lightsource

Not JUST a fine grit sandpaper, but multiple grits.

From 400 to 2000 (I think), there's about 5 variations between 400 to 2000 that you should get to lap it, and you take a marker, and make an x on the surface, make a figure 8 motion on a sandpaper that is fixed to the desk so it won't move.

ya pretty much, but you dont want to do it on a desk... you want to do it on a piece of glass to insure that it is super flat...
 

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ya u usaully wanna buy a premade kit cuz it is cheap and works well, but if your like me and have tons of leftover sandpaper.... you can just use that... u wanna start with 400,then 600,800,1000,1500,2000 than if you really want it like a mirror and to be perfect, use some polishing compound w/ a polishing wheel... bling bling!!!
 

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ya either way works....but you just need to have a piece of glass to do it on....or super flat surface
 

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what was the final grit you used? 2500? or polishing compound? and if compound what kind?
 

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Quote:


Originally Posted by Mastacator

Final grit was 2500 yes. I did rub the shine into it with a diamond micron metal buffing compound. Just finished installing the GPU dropped 2c at idle!!

sweet! im planning on lapping my cpu,chipset cooler,and maybe gpu...but i dont think the gpu is worth it
 

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ya i lapped my vga cooler with 400grit paper cuz thats all i had, it was a molded heatsink and it wasnt very flat either... but how are you gonna setup a heatpipe cooler on your northbidge? i would like to know this...
 

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so r u gonna like make your own heatpipe or what? im kind confused on what your planning to do....
 
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