YASKAWA SGD7S series Product Manual page 132

Lower the speed and check vibration for the
torque reference at a constant speed.
Minimum cutting feed speed
(approx. 1,000 [mm/min])
Maximum cutting feed speed × 50%
START
Start custom tuning.
Operate the adjustment program
at the maximum cutting feed speed.
Any vibration (humming)
in the machine?
Yes
Yes
Both notch filter and
anti-resonance control applied?
No
Click Vibration Detection.
Notch filter
or anti-resonance applied?
No
Increase the tuning
level by 5.
No
Tuning level above 120?
Yes
Decrease the tuning
level by 5.
Vibration caused by
torque reference at constant
speed?
No
Operating at
No
minimum cutting feed speed
(1,000 [mm/min])?
Yes
Set the tuning level to 80%
of the current value.
END
6.5 Tuning the Servo Gains
6.5.2 Cutting Feed (G01) Servo Gain Adjustment
No
Increase the tuning
level by 10.
Apply notch filter or
Yes
anti-resonance control.
(Compare resonance and anti-resonance
frequencies from mechanical analysis.)
Yes
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