Have you ever run into plywood that messes up carbide?
I just finished a vanity using poplar ply that I bought from a local
hardwood supplier. By the time I finished, my saw blade was tearing and
burning and so were my router bits. I looked at the bits under a magnifier
and they were not only dull, but there were chips in the edges.
I took a diamond stone to a 1/2" straight bit and worked it to a nice edge.
Then I made a few shallow grooves in the plywood. At first, it cut clean
and easy, but soon began to burn again. When I examined the bit it had
I would sort of expect this with particle board, but not plywood.
I've got about a quarter sheet of it left and I'm thinking maybe I'll just