When we build patio covers we cut the "C" channels, bracing, and heavy
columns with a 10" chopsaw with a regular 60 tooth wood cutting blade
that was retired from finish work.
I cleaned all the resin and buildup off it before using it on aluminum
an it works great.
I can only imagine the same results in a table saw. No matter what
though, wear your goggles. Those little aluminum chips really fly
around and have sharp edges. They stick in my arm all the time and I
just brush them off. But that wouldn't work in the eyes.
First up, you should have no problem whatsoever cutting alu with carbide.
The funny thing is, I do exactly the opposite: I got an aluminium cutting
carbide blade from my sawdoctor; it has very close set teeth and a negative
rake on it and I use this blade for super clean wood cutting - for instance
when I use MDF panels with .5mm real wood veneer for frame and panel - with an
ordinary sawblade this veneer will chip back up to 3mm from the (trailing)
edge, with the aluminium cutting blade it doesn't. Cost me a small fortune but
worth every cent :-)
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