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OCN Lapping Gallery - Page 3

post #21 of 68
Thread Starter 
Quote:
Originally Posted by DeadMau5 View Post
Ive used a lapping machine in work a few times

wouldnt be much good fir a CPU though as it uses a liquid lapping compound.

but it gets it perfectly flat and as smooth as you like.
That would be nice. I'm sure heatsink manufacturers have some type of machine that does it. We just need a portable home use version of that.
post #22 of 68
My lapped 720 (not polished out)



And my lapped Big Typhoon (after doing some seriously high voltage suicides)



I'm still trying to find my pics of my lapped NorthBridge on my DFI SLI-D.
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post #23 of 68
Q6600 upto 2500 grit

AMD 3700+ upto 2500 grit

post #24 of 68
Last thing I lapped to a shine was a Noctua NH-U12P. 1500 grit i believe.
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post #25 of 68
Quote:
Originally Posted by thx1138 View Post

Heatsink

What heatsink is that? I would love to do that with my hyper 212 plus.
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post #26 of 68
Thread Starter 
It's this one
http://www.newegg.com/Product/Produc...-023-_-Product

Best heatsink I ever bought for $30 (was on sale) I just bought a H50 and I'm getting the same temps from that as I did from the xigmatek. Only reason I kept the H50 is that it really clears up a lot of room in my case and is quieter. I can finally get to my ram without having to re-seat the heat sink.

Stay tuned, I plan on lapping the H50 which should be an interesting experience.
post #27 of 68
so i lapped my i3, that im using for another build.. but for some reason it isnt as shiny as you guys... and i did 2000 grit... lol...

did you guys change the sand paper once the coper started getting into it? or do you keep lapping ontop of that... is that how it gets polished?
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post #28 of 68
fshizi, on the cpus' that I actually polished out I used IC Diamond 7 (yes the TIM). Otherwise you can use a polishing compound that you'd use to polish your car.

PS: When sanding be sure to use wet/dry sandpaper and a drop or 2 of water to help your sandpaper last longer and keep the dust down, and to keep the material from plugging up the sandpaper.
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post #29 of 68
Thread Starter 
I don't use polish. I thought about it but I figured it would be a substance getting in the way of the TIM and the surfaces of the heat sink and cpu. I also believe in functionality over shiny-ness. After going to 2000 and after doing a few reps of 4 rotations and 30 up and down movements per rotation I decided to keep going up and down without doing any rotations except for a 180 which keeps the scratches in the same direction and continued to do that on the already worn 2000grit. The more worn down the sand paper becomes the finer the scratches become. That was kind of a method I discovered while doing the heatsink that seemed to really work well to make it nice and shiny. Also after doing alot in the same direction I did a few in the opposite direction before stopping which seemed to make it look better.

Hope that made sense. You just have to experiment to see what works for you and if it makes you feel better anything above 1200 is just for show so even if it isnt uber reflective like mine its still going to perform the same. Good luck.
Edited by thx1138 - 4/17/10 at 2:23pm
post #30 of 68
Here's mine, but I don't have a pic of my heatsink lapped side. I'll have to remember that next time I do a reseat. This is the best pics I got right now, sorry. (There's a glare in it too)

I know for sure my temps improved by at least 5-6c lower than before. It's getting hotter out now, so my temps are a bit higher than the winter months obviously.
LL
LL
Edited by Nightz2k - 4/17/10 at 2:17pm
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