Cordless Circular Saw

when using a circular saw??

hubby has a cordless 18volt black and decker circular saw and he says you can’t cut round edges without cutting the excess off first. we made a oval table top. it was rectangular, but he cut it off in sections to make the curve, then used his reciproction saw to make the final curve cut. did he do this right, or i say , he could have just used the saw and gone straight around the curve. am i wrong or is he right?

A circular saw cuts straight lines best. That’s because the blade sits in the kerf – the space where the blade cut out material – and the edges on either side of the blade rub against the blade. It’s sort of like sticking a ruler between the pages of a book, right up against the inside of the spine. It’s blocked on both sides, and can’t move much.

You *can* cut a slight curve with it, but it’s harder on the blade. A reciprocating saw would work better, but might not leave a nice square edge, depending on the kind he used.

There are circular saw blades made to cut curved lines. The blade is sort of triangular shaped, as if you sliced off part of the outside edge of the blade on 3 sides. There are still teeth left on the remaining outside edges.

You can also set the depth of cut to just barely cut through the material, but it still is hard on the blade, and you end up with a lot of sawdust.

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