7. SPECIAL ADJUSTMENT FUNCTIONS
7 - 3
7.3 Vibration suppression control manual mode
Measure work side vibration and device shake with the machine analyzer or external measuring instrument, and
set the vibration suppression control vibration frequency (parameter No.PB19) and vibration suppression control
resonance frequency (parameter No.PB20) to set vibration suppression control manually.
(1) Operation
Vibration suppression control is used to further suppress machine side vibration, such as workpiece end
vibration and base shake. The motor side operation is adjusted for positioning so that the machine does not
shake.
Vibration suppression control OFF
(Nomal control)
Motor side
Machine side
t
Vibration suppression control ON
t
Po
si
tio
n
Po
si
tio
n
Motor side
Machine side
(2) Parameter
Set parameter No.PB02 (Vibration suppression control tuning mode) as shown below.
Parameter No.PB02
0 0 0 2
Manual setting
(3) Checking the vibration frequency and the resonance frequency
(a) When a vibration peak can be confirmed using MR Configurator, machine analyzer or external
measuring instrument
1Hz
-90deg.
100Hz
Gain characteristic
Phase
Vibration suppression control
vibration frequency setting
(Anti-resonance frequency)
Parameter No.PB19
Vibration suppression
control resonance
frequency setting
Parameter No.PB20
Resonance of more
than 100Hz is not the
target of control.
Содержание MELSERVO-J3W Series
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