Quote Originally Posted by dazp1976 View Post
I've not had much luck with carbide on a mill.
I can't get much doc and they don't like to be hogged.
I found that if I take a lower doc I can run faster without problem.
Ended up the time difference wasn't much.

I know I'm on about a mill but, f - s - doc - chipload - sfm, it's all the same.
Your probably not pushing it hard enough, carbide likes to be worked hard but it does require the spindles as enough HP.