Re: [CAD_CAM_EDM_DRO] servos, steppers, limit switches

Madhu Annapragada wrote:

>One way to zero (reset, home ) without limit switches is to run the axis at
>a slow speed to a mechanical stop. The controller would determine the
>mechanical stop by monitoring the encoder as you guessed.
>

On most servo systems, this will blow fuses, break belts, trip the servo
driver
offline, or whatever. Yes, HP printers do it this way, but I've never
seen a
machine tool control do this.

You can have a home switch without limit switches. Once homed, the
software can limit travel to a safe region.

Jon