How long are the flutes on the 1/8" downcut tool you are using?
Is it suited to cutting 3/4" deep into material?
You should add offset geometry and cut as a pocket down to tab height or the penultimate pass:
How long are the flutes on the 1/8" downcut tool you are using?
Is it suited to cutting 3/4" deep into material?
You should add offset geometry and cut as a pocket down to tab height or the penultimate pass: