I recently inherited an old table saw that uses a thin (3/32") throat plate made
from aluminum. I'm going to make a "low clearance" version. Now I've read that
you can cut aluminum with carbide saw blades. Would you use a good blade to do
that? Can I raise the blade into an aluminum throat plate blank just like you do
to make a zero clearance insert? Should I try to use the saw to cut out the
Aluminum cuts well with regular carbide blades on a table saw, it also saws
easily on a bandsaw with normal wood blades, I use WD40 as a lubricant. I
normally use a full face plate when cutting on the table saw because the
chips really fly and are HOT.
I do have special non ferrous blades for both my table and hand held
circular saw, but now days I use the regular day to day blade.
Most carbide blades designed to cut non-ferrous materials or aluminum have a
negative or very low rake.
Wax is generally used to keep the aluminum from sticking to the blade tooth.
This is important when cutting thicker materials, however, aluminum sheets,
thin extruded parts can be cut with a regular carbide wood cutting blade.
I won't go into using a router to cut aluminum.
Just make one from wood or buy one.
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