Quote Originally Posted by Swede
If it were up to me, I'd consider keeping the iron, removing the steppers, and replacing them with comparably-sized servo motors. Close the loop, get plenty of speed, power, and accuracy.
Is it possible to use a closed-loop controller with normal stepper motors? I would ultimately like to go with servo gear, but it is considerably more expensive than open-loop equipment. If I can just buy the closed-loop controller now and switch to servos later, that would be ideal.