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  • UrKibin
  • UrKibin
21 Mar 2025 10:11 - 21 Mar 2025 10:58

CINCINATTI MILACRON ARROW 500 (BDS4 + VFS5) WITH MESA 7i77 + 6i25 WITH LINUXCNC

Category: Milling Machines

Hi All,

Good day. Managed to wire the ENA to the servo drive enable.

My current problem is overshoot. lets say I command it y5, it will go until y6 then go back to y5. Overshoot increases as feed speed increases. I estimate it to be 1mm per 100mmpm. so 100mmpm has an overshoot of 1mm, 300mmpm has an overshoot of 3mm.

PID settings are
P = 1.5 (If i add more, it shakes at higher speed)
I = 0
D = 0 (any increase and the system shakes)
FF0 = 0
FF1 = 1
FF2 = 0
Scale : 1225 (0.01 accuracy even with overshoots)

Regards,
Kibin
  • UrKibin
  • UrKibin
21 Mar 2025 10:10

CINCINATTI MILACRON ARROW 500 (BDS4 + VFS5) WITH MESA 7i77 + 6i25 WITH LINUXCNC

Category: Milling Machines

Hi All,

Good day. Managed to wire the ENA to the servo drive enable.

My current problem is overshoot. It is overshooting. lets say I command it y5, it will go until y6 then go back to y5. Overshoot increases as feed speed increases. I estimate it to be 1mm per 100mmpm. so 100mmpm has an overshoot of 1mm, 300mmpm has an overshoot of 3mm.

PID settings are
P = 1.5 (If i add more, it shakes at higher speed)
I = 0
D = 0 (any increase and the system shakes)

Scale : 1225 (0.01 accuracy even with overshoots)
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