How I start my Fanuc OM based CNC Mill. How to get started or use an older Fanuc OM based mill. I purchased a used CNC mill and have been using it successfully for over a year. For DIY type operation, it’s been reliable and capable. Excel VMC mills, in particular, seem to be very reliable, easy to work on and I’ve been able to source parts. I use Fusion 360 along with custom post-processing to my DNC to make parts. The oil absorbers I use are at: https://amzn.to/2CGWHbu