What feedrate do you currently get/need on this machine? Knowing that and the mass of the gantry along with what Robin said you'll be able to work back to find an appropriate motor.

Quote Originally Posted by Robin Hewitt View Post
I'm just drawing up a 2.5m x 1.25m plasma table and Gary has promised the 2.7m profile rail will arrive unbent.
Any length profile rail will arrive bent. It's a matter of by how much!