Originally Posted by
Matthew_
There was no wear on any cutter. All brand new. No wear after the fact. Didn't cut long enough to get wear/build up. I'm 99% confident breaking these bits had to do with the length of the cutter and how I was plunging. KHOUJ - I was not cutting aggressively as I said in my post. I was cutting as conservative as possible. Also cast aluminum is a different material altogether. Could you please post your specs? What tool, speed, feed, DOC, length etc. It's great to know you aren't without issues. Could you let me know how?