Re: [CAD_CAM_EDM_DRO] Re: re:OK - you convinced me - was "Automated "Manual CNC"

Brian Collier wrote:

>
> Thank you once again for the informative answer!
>
> I am a little confused when you talk about backlash being a problem
> in my proposed set up. In open-loop or closed-loop with position
> feedback from the motor, I understand about backlash being a problem.
> The PC has no way of knowing the true position of the workpiece due
> to the backlash. However, with closed-loop with feedback from the
> table, couldn't the CNC program just work around it?

Sure, but as soon as the tool hits the work if there is backlash the
work is going to move to remove the lash. This is why I think all
software compensation for backlash is useless.

ron