Hi I have a Gerber CNC Router. Im trying to route 1/2" thick aluminum. I'm using a 1/4 router bit 63-725 18,000rpm @ 40ipm and i'm going 1/16 down per pass. Ive broken about 3 bits and messed up 1 collet by now. By the way i am using mist coolant.
Any one here have any tips or tricks.