I bought a 2 1/4” cove bit, designed for making crown moulding. It is serving my purpose. I want to make a simple plunge cut with my router. I have done a couple of prototypes, and I’ll add a picture to help.
I’m getting tear out. Nothing drastic, but enough to tarnish the potential elegance of the project. I’m making several bumps downward and taking small shavings instead of just slamming the router down and trying to make the cut all at once. Due to the diameter of the bit, I’m keeping the speed under 20,000 rpm’s.
I’m just looking for some tips on how to avoid the tearout in maple. Wetting the grain? water? linseed oil? any help is appreciated.
-- Chip, Massachusetts