Re: Which controller card for EMC? Ballscrew Class ?

--- In CAD_CAM_EDM_DRO@yahoogroups.com, "Jim Colley" <jcolley@g...> wrote:

> I am in the stages of a 5-axis mill and I'm to the point of picking

a controller for EMC.

>
> Here's the specs:
> - X,Y,Z,A, and C axes
> - Parker Compumotor SM232B servos on all five axes
> - Parker Compumotor TQ10 servo drivers for all servos
> - NC generated by Pro/NC
> - Class 3 or better ballscrews on X,Y, and Z
> - Dual worm anti-backlash drive on A and C

Class 3 ballscrews ? didn't we just have a discussion about ball
screws ? I don't remember anyone bringing in something like
industrial gradeing systems or classes, but more on rolled vs. ground.

I think further reading is in order.

Dave