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It just so happens that I just adapted a router to my CNC table. I will be milling teflon sheets for some electrochemical cells I'm working on. I'm using a high speed Dewalt router, so I'm not sure how well it will work for cutting copper off of PCB boards. Generally for metals you want a lower PRM, but it would be probably a lot cheaper to adapt the right cutting head onto my CNC than it would be for you to adapt CNC controls to your mill.
As I mentioned earlier in this thread, this machine is originally a CNC plasma cutter. Now its also a CNC router table. The CNC program doesn't care what tool is on the fixture. All it cares about is X,Y,Z.
Anybody have any ideas on what type of tool / RPMs would be best milling copper?
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