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post #1 of 7 (permalink) Old 10-07-2010, 11:00 AM Thread Starter
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Default Miter saw & aluminum

I have a piece of extruded aluminum heat sink I need to cut, would it be wise to try & cut it with a sliding compound miter saw?
Thanks in advance!
Brian
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post #2 of 7 (permalink) Old 10-07-2010, 11:09 AM
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Brian,

If you have a carbide tipped blade, you can cut aluminum.

Do it outside, and wear GOGGLES.

I've cut a lot of aluminum diamond plate with a regular circular saw. The filings get everywhere during the cut, and you don't want them in your eyes.

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post #3 of 7 (permalink) Old 10-07-2010, 11:17 AM Thread Starter
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I'm guessing, the more teeth, the better. Right?
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post #4 of 7 (permalink) Old 10-07-2010, 11:27 AM
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I would assume more teeth or slower feed rate for the best cut. To be honest, I've used cheap general purpose blades for fear of messing them up. The cuts haven't been that bad, but then I wasn't worried about the final quality of the cut.

It is surprising how easy the saw goes through aluminum.

Sorry I can't be more exact

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post #5 of 7 (permalink) Old 10-07-2010, 11:34 AM Thread Starter
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One more question... How do I clean up the freshly cut surface, assuming it will be somewhat rough after the cut? Any idea?
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post #6 of 7 (permalink) Old 10-07-2010, 12:13 PM
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Aluminum oxide flap wheel, a sanding block, or a quick pass with a file to break the sharp edge.

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post #7 of 7 (permalink) Old 10-07-2010, 12:17 PM Thread Starter
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Thank you very kindly for the advice, Doug!
I'll give it a try.
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