Hello

I am totally new to the CNC world. I am hopefully going to purchase my first machine next month, i have my eye on the Heiz S-1000. I am looking to produce MDF shapes and letters using 4mm, 6mm, 12mm and 18mm MDF. My question is which of these thicknesses can i cut out in one pass and how many passes would i need on the thicker stuff?

Any help would be greatly appreciated, many thanks

Sean