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Easily aking your own magnetic dust filters

post #1 of 5
Thread Starter 
Attention Moderators: If this is posted in the wrong category, please move to its proper place. Also please a "M" to "aking" for the title please

Not sure as to if this ever has been covered on this site, so excuse me if so….well I was in need of a dust filter for my 200mm fan on the side of a corsair 500r, and the filter kits available (from what I found) had filters for the front (which there is already one) and for the top (exhaust) not important with my setup. So with the kit running $80, I figured I can make what I needed myself for less.

After seeing reviews of some cases now coming with magnetic dust filters, and doing some searching I was able to come up with this basic concept. It turned out better and easier than I had expected.

What you’ll need

Roll of Magnetic Tape

Thin high air flow screen (I used basic fiberglass screen)

Double sided tape

Scissors/cutting blade/knife

Optional: Hair Dryer, or Heat Gun




In this example, I am made a filter for a 120mm fan opening. So I measured the width of my magnetic tape (19mm) and my case opening for the fan (110mm x 110mm). For the screen, I felt it need to lay half way across the width of the magnetic tape to have good grip on the screen and the tape itself would have a tighter bond. My screen ended up being 118mm by 118mm. I went with 45 degree angles for the corners. I am sure 90 degree angles would work fine too, and quicker to cut.



Warning: The magnetic tape takes some muscle to unravel. So much that you end up stretching the tape. I laid out each piece and let it rest before cutting it to the length I needed just in case it shrunk back to its original length.

Warning #2: Try to pull the tape from the middle of the end. The tape will overstretch in that one side area and not shrink back as shown in the photo from below.




Once all your tape and screen is cut to size, it is easy to line your tape up on a metal surface that is large enough to to hold your magnetic tape in place to assemble the filter. I found the white of my case, and the front of my stainless steel refrigerator worked great for this. Anything black will work to, just the contrast of the black tape will not allow any miss alignment not so obvious.




Once everything is lined up, you can apply the double sided tape. I feel that using this tape is as important as the magnetic tape, and screen it self. The magnetic tapes "sticky side" is not very tacky so I highly doubt you get a good bond and after removing the filter a few times it will fall apart. I am sure there is better solutions to this tape, though it is all I had access to and everything has held up fine for this last month since I have made two filters for my two pc's.

The tape is strong enough to hold the screen to the side of the refrigerator.




Then you add another layer of the double sided tape over the screen, remembering to have some of the double side tape overlapping.




Now you can add the top layer of magnetic tape. I used a hairdryer/heat gun and warmed up the tape to set a stronger bond, and quickly messaged it with my thumb.




Go back and trim any thing that may not have properly lined up.




And there it is.




Simple! All for under $20.
Edited by Traverser - 11/14/13 at 12:27pm
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samsung 830 wd caviar black 1T samsung DVD Corsair H100 push&pull with cougar 120mm fans 
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post #2 of 5
Had something like this for about 3 years now. They work, but the corners are a bit fragile.
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crucial ct960 LG blu-ray used venamous x win 8.1 pro 
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Crossover 30Q5 PRO 30" 2560X1600  cheapest piece of crud I could find antec HCG 750 some thermaltake microcenter blue-light-special... 
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post #3 of 5
Thread Starter 
I was thinking that could happen. Maybe next time I'll avoid the 45 degree angles and line up so there is no seams that meet front to back. Just realized I could also round off the outer corners as well.
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samsung 830 wd caviar black 1T samsung DVD Corsair H100 push&pull with cougar 120mm fans 
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window 7 premium home 64bit Qnix QX2710  Corsair ax750 Corsair 500r 
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post #4 of 5
Pardon my apparent ignorance... magnetic filters?
    
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post #5 of 5
Quote:
Originally Posted by legoman786 View Post

Pardon my apparent ignorance... magnetic filters?
The filters attach to your case via magnets thumb.gif
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