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Lapping Sandpaper

post #1 of 8
Thread Starter 
For those who lap: when using 600-2000 grit wet/dry paper, do you use it wet or dry when lapping CPU and/or heatsink base?
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post #2 of 8
I use mine dry, I suppose you're more than welcome to use it wet, though maybe rubbing alcohol wet? I wouldn't use regular water as high risk of damage smile.gif I personally have never seen any reason to go with wet though, but maybe others have?
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post #3 of 8
Thread Starter 
Thanks for the quick reply. I was going to do it dry but then thought i should ask to see if others had better results with it wet.
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E6400 Intel D975XBX2 EVGA 8800 GT 4 GB 
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Seagate Coolmaster N520 Win 7  550 W 
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Athlon x2 4200 Asus M2N32-SLI Deluxe 3870 2 x 2 Gb 
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post #4 of 8
I have not lapped a CPU but when I use wet\dry I like it wet. I use the paper on a small mouse pad for knife sharpening. Using it wet builds up slurry (water and metal particles) this can speed up the sharpening process. I'm not sure if the practice translates over, but it is something to consider. thumb.gif

Edit: Forgot to add, you do not drench the paper. You just need a couple drops.
post #5 of 8
I have lapped 4 CPUs so far and I have done all of them dry.
Q6600
450
Edited by Bitemarks and bloodstains - 12/29/11 at 12:00pm
post #6 of 8
mirror5160.jpg

picture1425.jpg


Same result different path. The knife reflection gets stretched from the curve.

Note: These are not my knives. I do not have a camera capable of taking a good picture. I just have my crappy phone camera and it can't seem to focus on the mirrored edge.
post #7 of 8
If it's wet/dry paper (black, silicon carbide) then add a couple drops of oil (motor oil, tranny fluid, etc). It will extend the life of the sandpaper, reduce friction (make it easier), and speed up the process by keeping the paper from becoming loaded as fast.

Nice pics ^
post #8 of 8
Quote:
Originally Posted by Nnimrod View Post

If it's wet/dry paper (black, silicon carbide) then add a couple drops of oil (motor oil, tranny fluid, etc). It will extend the life of the sandpaper, reduce friction (make it easier), and speed up the process by keeping the paper from becoming loaded as fast.
Nice pics ^

Hmm I have not heard\thought about using oil. Im going to have to try using some gun oil next time thumb.gif
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