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03-28-2004, 06:32 AM
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#1 (permalink)
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Join Date: Oct 2001 Location: Sydney, Australia
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Cutting fan hole with a dremel?
Hey all...
For my recent build, it really needs an intake fan on the side of the case...
Today while i was out and about i bought a dremel...
Has anyone got some tips on using the dremel to cut the hole in the side of the case?
i.e. any particular technique? what attachment? speed?
Havent even used the dremel yet, so any general tips would also be greatly appreciated...
JayMan
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03-28-2004, 06:33 AM
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#2 (permalink)
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Join Date: Oct 2001 Location: Sydney, Australia
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Oh, the case is relatively cheap, so i would presume the metal would be steel, if that makes any difference...
JayMan
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03-28-2004, 07:02 AM
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#3 (permalink)
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Join Date: Oct 2002 Location: Bottom left of U.S.
Posts: 4,714
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Heard dremels are a little tricky to work with especially after a night of partying. 
Given any thought to a hole saw for sheet metal drill attachment?
Bill
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03-28-2004, 07:50 AM
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#4 (permalink)
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Join Date: Jun 2003 Location: Inna Leakyboat
Posts: 162
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It would be a better cut by using a hole-saw as Bill recommends. Having used dremels, speed is determined by case thickness and cutter size. Too fast you burn the bit and metal, too slow you have a ragged cut. Key thing here - take your time! As long as you don't hurry or force it, it should come out just fine.
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03-28-2004, 08:38 AM
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#5 (permalink)
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Join Date: Oct 2001 Location: Sacto, Colliefornia
Posts: 787
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Hole saws are available at Home Depot in all kinds of sizes. Plus they have a drill point that goes through first to hold the saw in position so it dosen't "walk".
Definately the way to go! BTW: wear gloves, and sand the hole safely smooth when you are done so next year when you forget how sharp it is, you don't get blood all over your motherboard!
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03-28-2004, 03:08 PM
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#6 (permalink)
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Join Date: Oct 2001 Location: Sydney, Australia
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The problem with buying a holesaw is the fact i would only have 1 use for it... So kinda seems like wasted money.
JayMan
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03-28-2004, 03:23 PM
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#7 (permalink)
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Join Date: Jan 2003 Location: Milwaukee
Posts: 1,275
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They are generally under $10 and you could always sell it here or locally after using it... there also may be a tool rental place where you are that you could rent one from.
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03-28-2004, 03:27 PM
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#8 (permalink)
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Join Date: Mar 2004 Location: Wallsend, England
Posts: 26
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If your gonna use a dremel cover the work area with masking tape so if you slip it wont damage your case.
Cut just inside the lines on the waste side and use a re-inforced cutting disk then finish off with a sanding drum.
But most importantly take your time in both prep and cutting, let the tool do the work dont try to force it through the metal.
Wear eye protection and have fun.
But remeber the prep, mesure twice cut once !!
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03-28-2004, 04:16 PM
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#9 (permalink)
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Join Date: Sep 2002 Location: Finger Lakes area NY
Posts: 687
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I think a carbide cutter bit would work better than a cutting wheel and much less messy. If I recall it's Dremel bit no. 9901. And sears has an equivalent for less.
.bh.
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03-28-2004, 06:15 PM
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#10 (permalink)
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Join Date: Oct 2001 Location: Sydney, Australia
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Cool, actually i don't think the hardware store i was at carried the size hole saw i'm after anyway... I think the biggest they had was 70 or 80mm... I will be installing a 92mm or possibly even a 120mm fan...
I was thinking of maybe making a series of straight cuts into the metal to form the basic circular shape & then sanding the rest back to finish the circular shape...
Edit: Oh, and i'm in australia for those that didn't realise, so yeh tiz alittle far for me to go to sears etc... hehe
JayMan
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