Lapping with 10 micon paper

RangerXLT8 · Feb 22, 2005

Wow I had previously lapped my 2.8E Prescott with 330 grain followed by 600 grain. I saw on this forum a person had bought a lapping kit from www.easypckits.com so I went a checked it out. I started off with the 800 grain paper, then went to 40micron followed by 15micron and then finally 10 micron and my cpu is like a mirror finish.. this sucker is FLAT. I've noticed only a 2c drop in load temp but the Arctic Silver 5 has not set in yet.

Airbornederekc · Feb 22, 2005

every c counts and a nice 2c drop from just lapping the chip is pretty good. have u lapped the hsf as well and what kind are u usin.

RangerXLT8 · Feb 22, 2005

I'm using the Zalman 7700AlCu and it came with an excellent lap job already but I did go over it with the 40 micron paper.

Electron Chaser · Feb 22, 2005

I want to see pics of this lap job. It must look like a mirror.

RangerXLT8 · Feb 22, 2005

Electron Chaser said:
I want to see pics of this lap job. It must look like a mirror.

I should have taken pictures but take my word that it looks like a mirror.

Bios24 · Feb 22, 2005

Your lap went better than mine! I tried to lap a stock AMD HSF and it actually increased my temps! I didn't fully understand it all, and lapped it wrong. Lucky for me that was a back-up cooler.

Radical · Feb 22, 2005

What does 10 micron paper feel like? It must feel like normal printer paper!

RangerXLT8 · Feb 22, 2005

Radical said:
What does 10 micron paper feel like? It must feel like normal printer paper!

You really can't compare it to printer paper. Imagine chalk dust on a piece of paper, that's how I think it feels.

jchsatx09 · Feb 22, 2005

10 micron...what grit is that?

consumer9000 · Feb 23, 2005

Mmmm...Lap Job

Sounds dirty. I digress...anyhow, to get a really true finish you want to make sure you lap the heatsink base on a truly flat surface, like a precision granite slab, or glass if you don't have access to such a surface. The finish left by a fly cutting bit on a mill or CNC machine is pretty good, but no where near micron smooth. :bang head

thegreek · Feb 23, 2005

do you know mirror finish does NOT equal flat...?

Emon · Feb 23, 2005

After about 600 or 800 you start to hit diminishing returns...even Swiftech mentions that on their site, that the shiney finish is largely cosmetic. Swiftech > some guy trying to take your money by selling you sandpaper you don't need.

9mmCensor · Feb 23, 2005

Diminishing returns. Not, "It does not help".

In this game, returns are returns.

Emon · Feb 23, 2005

Yeah, but once you hit diminishing returns the difference in CPU temperature is reduced to within testing percent error, probably 1-2 degrees C. Those little diodes aren't the most accurate temperature sensors ever you know.

I know it's cool to have a mirror finish, but it's really a waste after 600 or 800 grit. Unless maybe you're going for a TIMless setup...which is stupid, but maybe you could try for kicks. I just think it's silly some people are like, "omg, I gotta get this uberfine sandpaper so I can overclock more!"

waddupmm · Feb 23, 2005

OO and it comes with a piece of glass.. Imma have to give this kit a try

zexmarquies01 · Feb 23, 2005

Emon said:
I just think it's silly some people are like, "omg, I gotta get this uberfine sandpaper so I can overclock more!"

uh...you DO realize you are on the OVERCLOCKERS.COM forums...right?

as 9mm said, when an overclocker hears the words " diminishing returns " we don't even hear the word " diminishing " we only hear the word " returns "

and when overclocking, 1c is still 1c cooler. , 1 Mhz is still 1Mhz faster.

SewerBeing · Feb 23, 2005

@Emon: if you have ever taken 800grit sandpaper and compared it to 1.5k grit you will see and feel the difference. There are returns after 800grit that is all that matters.

I want to see pics of this

9mmCensor · Feb 23, 2005

SewerBeing said:
@Emon: if you have ever taken 800grit sandpaper and compared it to 1.5k grit you will see and feel the difference. There are returns after 800grit that is all that matters.

I want to see pics of this

Pictures of a lapping job prove nothing.

SewerBeing · Feb 23, 2005

I am aware of that I still want to see pictures

zexmarquies01 · Feb 23, 2005

yes, we still want pictures.

2 things people on this site want.

A high overclock
and Pictures of other people's work.

Lapping with 10 micon paper

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