quick lapping question

platinum87

platinum87

platinum87

Soldato
Joined
25 Nov 2007
Posts
5,581
Location
London
ive almost finished the 1000 grit paper my question is the next ones i have are
40 micron
25 micron
20 micron
15 micron
10 micron

they are all muti-coloured unlike the red ones, but do i wet them? or use them dry?

thanks in advance
 
Do you lot cover the CPU socket side when lapping? I was thinking you must do to stop it getting wet and damaged?
 
Usualy the abrasive paper is placed on a flat surface (like glass) and the cpu is held in the hand and rubbed onto that. In that position, its unlikely for water to somehow work its way up and get on the bottom side of the CPU, but most people use the cover that comes with CPUs when lapping just in case.

Even if water does get onto the base of the CPU, i wouldnt have thought it would cause a problem unless its very dirty water, because given time to dry, normal water wont cause any problems.
 
I would worry more about metal bits (that must happen when you rub anything) getting onto the socket and then shorting something?
 
One of the uses to using water when lapping is that it will stop the metal particles getting into the air. So as long as you are carefull you wont have any problems. And if you arnt carefull, well you shouldnt be lapping in the first place.
 
Sukh said:
I would worry more about metal bits (that must happen when you rub anything) getting onto the socket and then shorting something?
Click to expand...

because of the water the metal particles are too small to do anything but make strange patterns on the paper.. although i did get little bit of water on the cpu just used a small piece of bounty to soak it up.. working fine now,

took me 30+minutes to remove all the aluminum, the middle went first, followed by the edges. using 400grit. then went to 10micron, but im not happy with the shine, should have been more...

anyway,
idle temps now at 37, load temps at 59-60, previous temps were 41/68 respectively.

small note, i believe MX-2 is about 2-3 degrees worst then AS5. ,
 
I covered mine when lapping, I even covered up my HSF when lapping. I just used masking tape all around the edges and kept the black CPU protector that came with the CPU in place. Makes things a lot easier when you've finished lapping as you just whip the masking tape off and give it a quick clean.
 
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