To All,

I built a Mill CNC with the 30m (X) x 6m (Y) x 4m (Z).

The CNC was using a controller for 3 axis and it were working fine.

My decision to change for LinuxCNC is in order to use  2 new axis that the
older controller did not support.

Server motor is connected thru  2
*MOTENC-Lite*<http://www.vitalsystem.com/web/motion/motionLite.php>PCI
boards from Vital System.

Speed is 12.000 mm/min in a straight line.

During milling  at 4.000 mm/min, when it comes to a curve the speed slow
down to 2.000 mm/min.

When making a 1 meter circle the speed does not top 2.000 mm/min and it does
not move continues.  It stops and goes several times, shaking all the
structure.

If anyone has any idea what parameters should I change, please let me know.

Attached a video showing what is happening,

Regards,
Jimmy
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