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Need Help Cutting Perspex!!!

F

freddiepm61

Gawd
Joined
Oct 19, 2004
Messages
836
Hi, I need help cutting perspex, but I also need to know if this would even work....
My Lian Liv-1000 with dual leadtek ultras gets very hot around the graphics cards, as there are few fans up there.
If I put a 120mm fan blowing air in from the outside of the case over the graphics cards, would that improve temps?
Also what tools would I use, and exactly how would I cut it...
It is 1/16th" I think....
I was thinking perhaps get one of those drills with a massive circular attachment on it, cut a big circle in the side of the glass, and then attach the fan from behind....
Or should I file out the hole so that it becomes square.ánd then have the fan exactly in the centre...
Also, would removing those palstic leadtek shrouds help in the cooling if a fan was being blown over them?
I want this to look good, but also to better cool the gfx cards, which are at 90C at load.....
thanks
f

 
I'm somewhat unfamiliar with exactly what "perspex" is, I imagine it's a brand name of somekind of more general term (plexi, glass, etc) but:

If it's glass it's going to be a pain in the ass to cut a fan mount in, you'll be better off replacing it with some sort of plexi.

If it's tempered glass you have no choice but to replace it. Drilling through tempered glass is all but impossible without breaking it.

If it's plexi, lucite, acrylic, etc. just go ahead and use the hole saw. Keep the RPMs low otherwise you'll melt the panel and it will look like crap. Once you're done you'll have to go back with a file and sandpaper to smooth it out. I've never had much luck smoothing a cut in plexi but a lot of people have so I know it can be done. I usually just have someone with a lasercutter or something do it for me.
 
sandwich it between a couple pieces of wood when you cut the hole in it... maybe 3/8" plywood or something.
 
For those of you who aren't familiar with Perspex, it's a brand name acrylic sheet, the same as Plexi etc
 
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