Ifin,
Some of the certified pre-owned machines have PC based controls and a few of the older ones still have CNC style controls. Most CPO machines are new enough now that they have PC based.
As far as the PRC goes...I disagree. If it has glass tubes in it then it's going to have to be rebuilt at some time.
I do have some operating costs spread sheets if you want to send me your email in a private message I'll send them to you.
To address what msandoval said. He is correct that all resonators do require some replacement parts. I.e. optics, blowers, etc. Here is where I draw the distinction though...the Mitsubishi has NO glass tubes. Their resonator is different from everyone else. In fact they have a patent on it. The Mitsubishi doesn't have a roots or turbine blower. There are 4 sealed bearing, oil-less blowers that turn at very low rpms. When they go bad (after about 15-20,000 hours) you can replace them yourself. 4 bolts and three wires. There is also a potentiometer so that when the blower starts failing you can increase the amperage to the blower and keep running while you wait for a new or rebuilt one to arrive. If the blower locks up then that's it. It just locks up. It doesn't explode or contaminate the entire resonator cavity. By the way the cost to replace a Mitsubishi blower is about $800.00. The cost to replace a roots or turbine blower is about $7k-$10k per blower and some resonators have two of them. So yes, all resonators require preventive maintenance but there is a big difference between spending $10,000 to replace the optics and blowers and clean the electrodes versus spending $40K-$70K to replace or rebuild an RF or DC excited resonator.
I can tell you this, I've been in manufacturing, been around and used lasers since 1992. I've had Trumpfs, Amadas, Mazaks and Mitsubishi and I can tell you hands down that the Mitsubishi has the lowest cost of ownership. The last company that I ran we had 5 Mitsubishis and 2 Trumpfs. The Mitsis ranged in age from 3 years old to 7 years old and the 2 Trumpfs were only two years old. When the new owner took over the business his first year owning the place he spent $80,000 maintaining all 5 Mitsubishi's and spent $120,000 on the 2 Trumpfs. I think that speaks volumes about the true cost of ownership when comparing a Mitsubishi Cross Flow resonator to ANY RF generator or DC excited resonator.
Just my opinion. Your mileage may vary.
