About time someone stepped up and seen your potential. If I had the ability I wouldn’t be it a second thought to hire you an make you a part of our team.

John the file we did before is close to this one. It was updated 2021 and synced before. Here try this one and see if it works to help you. Impeller 2021 from Previous Exercise Trick to this one will be make the section with the smaller flute. Not sure if you can make the Multiaxis rough work like we did. Taking a break till next year so just chiming to to offer a little help, but most I have been on the forum for more than a month. I will be back to help you and others just taking a much needed break.

Welcome to the Emastercam Forum.

If you create these API seal ring grooves often, it might make sense to invest in dedicated tooling.

Having previously worked in a shop like that, which when i first started there bought a 300k (in year 1999) Hitachi twin pallet hori but couldn't afford more than 10 toolholders and only had 2 bare pallets...i vowed when i built my shop have value for money machines and then i could throw 200k at tooling. It is false economy and stupidity to not have tools for the job.

We do hundreds of grooves like this a month, from Ø3 to Ø24 in medium carbon steel forgings They used to use custom tools to rough and finish, but spent a fortune on custom ground tools and down time cause they burned up all the custom tools Now I rough them like stair steps with decreasingly smaller off the shelf bull endmills , then a semifinish and finish pass with a custom tool

One of the biggest reasons I don't miss being in a "job shop"

Powerful stuff here

An old boss of mine would have called that "Lean Manufacturing" and I only wish I was kidding