CNC Shark Forum

NIce article in current issue (July 2012) of WOOD magazine might have had something to do with it... Article talks about how affordable and capable the smaller CNC routers can be.

I would not recommend milling a thin sheet of aluminum such as you describe. Holding the material absolutely flat, while resisting the twisting and lifting forces by the router bit would be very difficult. I'd suggest getting your parts cut with a waterjet or a laser instead. Either solution is fast...