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Is lapping worth it? - Page 3

post #21 of 26
Thread Starter 
do you guys ever use a metal polish instead of a 2000 grit paper? my dad says he has a special polish made for metal and he says he knows how to do these kinds of things. do you think it would work?
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post #22 of 26
metal polish actually adds material to the surface to make it look smoother. Dont use it. IMO 1500 grit is fine.

I lapped with 400grit and then moved to 1500grit for a few mins. It came out fine. I did this on my cpu and heatsink. I then did a bolt mod to tighten the heatsink down on the processor.
Before temps @ 3.4Ghz: 60,60,48,52
After:47,44,42,45 (load:folding)
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post #23 of 26
Quote:
Originally Posted by Duckkie View Post
do you guys ever use a metal polish instead of a 2000 grit paper? my dad says he has a special polish made for metal and he says he knows how to do these kinds of things. do you think it would work?
Don't forget... it's not really about how shiny it is, it's about how flat and level the surfaces are. If you lap both your IHS and your HS, then the two will mate together perfectly with no gaps between them.
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post #24 of 26
Yeah. I've rarely seen any benefit from going much past 600 grit.

Rough looking and flat > Shiny and uneven.
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post #25 of 26
Thread Starter 
what about flat and shiny? i have 200, 320, 600, 1000, 2000 gonna take my time and do it right . will post pics after im finished.
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post #26 of 26
Quote:
Originally Posted by Duckkie View Post
what about flat and shiny? i have 200, 320, 600, 1000, 2000 gonna take my time and do it right . will post pics after im finished.
That's what most people go for - I guess I'm not the only person who fits my signature... That assortment of sandpapers should be more than enough... just make sure to test flatness before moving on to the higher grits - people who don't usually end up getting uneven surfaces that appear fine due to shininess

Can't wait to see the pics... when you take the pictures, tape down some lined or (better yet) grid paper to your glass surface like you do w/ the sandpaper.... hold the lapped surfaces at an angle to it when you take the picture... that'll show that your surface is as flat as it is shiny
Edited by killa_concept - 5/26/08 at 3:13pm
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