Last year John Heisz replaced his table saw blade with a paper disc, and discovered it could actually cut through wood. This month two different YouTube channels, “The Q” and “Mr. Hacker,” put paper wheels into their angle grinders to see what other materials they could cut through:
While the food stuff is a bit silly, I was surprised to see what clean cuts the paper discs made in the polycarbonate Coke bottle and the corrugated cardboard. I also didn’t think it would penetrate the coconut shell.
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Obviously the big problem with a paper blade is blade wander. I was thinking that if they reinforced both sides of the blade with large arbors made of a stiff material, and with a smaller diameter that left just 1/2″ of the blade exposed, that might keep the blade tracking straight; but then you’d lose depth-of-cut. Do you have any ideas for other ways to stiffen the blade?
Source: core77