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Heatsink Lapping Guide
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Dud3!
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Joined: 21 Aug 2003
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PostPosted: Tue, 20 Jan 2004 02:04:59    Post Subject: Reply with quote View Single Post

My thoughts --^

I'll get pix and such when I do it.

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Little Bruin
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Joined: 07 Apr 2003
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Spire
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Joined: 01 Aug 2003
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Location: Up to my Nipples in Alaska

PostPosted: Tue, 20 Jan 2004 02:41:08    Post Subject: Reply with quote View Single Post

NOOOOO, that chip has been my best friend through thick and thin. It was my first ebay victory almost a year and a half ago with a bid of $18.00!!!! (Is it wrong to get attached to computer crap???)
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Dud3!
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PostPosted: Tue, 20 Jan 2004 18:32:09    Post Subject: Reply with quote View Single Post

Relax! I'm doing it to a dead 750 first! Laughing

And I'm attached to my battle worn Slot A Athlon 700 and Epox KX133 chipset mobo, so I understand. Razz

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spudea
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Joined: 23 Jan 2004
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PostPosted: Fri, 23 Jan 2004 00:23:38    Post Subject: Reply with quote View Single Post

Very nice article! Hey maybe after you practice on that duron maybe you could do it on your 1700+? Because what I want to know is if both surfaces are brought to a mirror finish following this guide is there a need for any TIM at all?? No TIM=LOWEST TEMPS POSSIBLE!!!! Thats what I would like to see.

Edit: Oh and from other lapping guides i've read they all recommend to lap in a figure 8 pattern. While yours is the first to say to lap in a lateral motion. I see the nice results of your method but what is the difference?

P.S: I repeat this is the best lapping guide i've read and will use it for all my future heatsinks.
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Dud3!
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PostPosted: Fri, 23 Jan 2004 16:36:50    Post Subject: Reply with quote View Single Post

Thanks. Smile

The reason is quite simple, you end up with less scratches. Sanding in a circular motion is great for removing material quickly, but not for getting the best finish you can.

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kimme
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Joined: 23 Dec 2004
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Location: Tromsø, Norway

PostPosted: Thu, 23 Dec 2004 15:29:43    Post Subject: Reply with quote View Single Post

Thanks forthis guide as I'm dying to overclockmy AMD XP-, and with this guide I can lower my temp with my motherboard. Smile
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TheG
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Joined: 03 Jan 2005
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PostPosted: Mon, 03 Jan 2005 10:33:27    Post Subject: Reply with quote View Single Post

Nice article.

I just acquired a Tower112 heatsink by Thermaltake. Ya know, the snap-mobo-in-half-due-to-excess-weight thing. The base is rough, so I looked up some lapping information to see if it differs in method from other metal polishing.

Same thing. I've been polishing aluminum on vehicles for a while (200 hours on a single piece! Yikes ).

Just a note regarding initial sanding. To achieve a mirror polish on aluminum, when you're sanding with higher and higher paper grades, go at right angles to the previous direction of sanding. This brakes the ridges easier and faster, is easier to observe your work and sometimes sanding in the same direction with a higher grade paper can mask a lower grade ridge. I've seen this plenty on aluminum when working in a confined area where you can't get at right angles to the previous work. The lower grit line then shows up when buffing the area.

Also, that other argument mentioned earlier in the thread, my opinion is that best heat transfer is metal to metal. 2 smooth surfaces can also allow better spread of heat. Best heat dissipating is across large surface area, a cast surface texture has more surface area than a smooth one.

As for lapping a CPU... best use a rasp file. Sorts anything out. Smile
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Little Bruin
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Doctor Feelgood
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PostPosted: Wed, 16 Feb 2005 18:26:34    Post Subject: Reply with quote View Single Post

Had to updated and redirected Dud3!'s masterpiece to the new template! 3 down, about 40 to go... Bang Head
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cyborg939
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Joined: 07 Oct 2007
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PostPosted: Sun, 07 Oct 2007 15:11:44    Post Subject: Lapping a Tuniq Tower Reply with quote View Single Post

How would I lap a beast of a HSF such as a Tuniq Tower 120?
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Doctor Feelgood
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PostPosted: Sun, 07 Oct 2007 17:51:39    Post Subject: Reply with quote View Single Post

Hi... Welcome. Wave

I guess you have two options... 1) Grab that big thing and hold on tight! 2) Take the copper base off and just work with that. Once you put it back together you might be able to improve the contact between the heatpipes and base by upgrading the thermal paste and maybe its application.
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