Don't plunge into Ali it knocks hell out the machine and cutter.!!
Here's 2 bits of code to try using a spiral entry both same except ones conventional milling and the other Climb milling so you can see difference.!
cutting 50mm Dia circle, 3mm deep, 1mm Doc, 4mm S-flute cutter, 15000rpm, 800mm/min, 400mm/min spiral down. Z zero top of material.
Edit: Rapid height =10mm
