There has been some talk here about the StarMill stepper model numbers, but I haven't been able to correlate this with actual oz-in of torque. Does anyone happen to know the specs on the two different types of motors in the mill? I'm retrofitting the machine to use closed loop steppers. The X and Y ...

I bought a nice little StarMill for my brother, but it was missing the custom board. So, my expectation right off the bat was that I was going to need to retrofit it. My plan is to replace the steppers with closed loop steppers. This will require changing the orientation of the Z axis stepper so tha...