Carbide saw blades are no different than lathe carbide insert cut off/ parting tools. No matter how careful you are, saw blades and cut off tolls with carbide attachments will break from even the slightest shocks till you reach the point to say: Enough is enough, and go back to abrasive cut off discs, and find alternative methods to cut off/part on the lathe.
I have a 12-inch Pro-Shop miter saw with a 96 tooth metal cutting carbide blade, it takes about a minute to make a couple dozen cuts, so far have only made a little over 500 cuts with the blade but it still cuts the same as when I installed it. Clean square cuts every time. I have a Black and Decker worm drive circular saw with an 8 1/4inch metal cutting carbide blade, for when I have to rip the planks been using the same blade for a couple years. Have never lost a tooth on either one yet. But my 7 1/4" circular saw that I use for wood will burn through carbide crosscut blades regularly. the longevity of a carbide blade depends on a couple factors #1 the quality of the blade and #2 the amount of heat that builds up during a cut. The miter saw slices through so fast there is hardly any time for heat to build up, For the rip saw I set it so its depth is just slightly more than the thickness of the top of the planks.
If I need to cut aluminum bar stock or tubing on my band saw I spray the blade occasionally with an aerosol wax and have a rotary wire brush mounted after the guide rollers to clean the teeth.
Never try to tell me it can't be done
When I have to paint I use KBS products
Frank S (Aug 15, 2022)
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