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Cutting a fan hole in acrylic. Will this work?

post #1 of 3
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I'm trying to cut a fan hole in an acrylic side panel. My dremel has gone up in smoke so out of desperation, (and being cheap) I was wondering if this would be able to cut a hole through acrylic?
The acrylic I have is thin enough to be almost flimsy.

THIS TOOL.
st0rm tr00per
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st0rm tr00per
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post #2 of 3
it "would" but a hole saw would be better, and are u using plexiglass or lexan. Lexan cuts alot better then plexi, plexi tends to break easy.
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Exia
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Kyrios
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42-174
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Kingston HyperX 1866mhz 8x4gb Samsung 840 Evo 240gb (OS) 10tb worth of HDDs Noctua NH-C14s 
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post #3 of 3
It might, but the Harbor Freight quality is questionable. A higher quality tool may cost $10-15 and may save you expense in the long run. (if you crack a $10 sheet of plastic and have to buy a new one, you've spent the same amount and still don't have a good tool or any guarantees you won't crack another $10 sheet of plastic.)
If you can, go to a home depot type store and look at the low end tool (tool shop) and the higher end tool (General--slightly higher, Starrett, Klein or greenlee --in electrical and much more expensive) side by side. The blade should have a quality edge (evenly ground with a clean edge.) I have to buy cheap tools for school, and often spend hours trying to get a clean edge on them.

Use only one blade (take the other side off if there are two like the link) and you must use a drill press for plastic.

Lay it out with the fan as template, drill the four mounting holes and mount the plastic to a scrap piece of 1/2" or 3/4" plywood or OSB. Then you can clamp the wood without damaging the plastic and the center hole with have enough support to guide the cutting blade. And it is less likely to break the plastic as you break through.

There will be a fair amount of stress on the mounting holes, this can be reduced by putting a 1/4" inch sheet of scrap wood on top the plastic to make a sandwich and cutting through both the 1/4" sheet and the plastic. Alternatively, you could use washers, but be sure they do not come close to the cutting circle. (the idea is to sandwich the plastic between two materials and hold it in place by compression around the mounting holes instead of by contact with the screws.)

Good luck!
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