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5 Spindle Adjustment
MITSUBISHI CNC
5-2-2 Gain adjustment
(1) Checking the current loop gain
Check to see if the settings of following parameters, SP077 to SP084, are the standard setting.
Basically, parameters for current loop gain do not need to be changed.
【#13077】 SP077 IQA Q axis current lead compensation
Set the current loop gain.
To use the coil switch function, set the current loop gain for when the high-speed coil is selected.
The setting value is determined by the motor's electrical characteristics so that the value is fixed to
each motor used.
Set the value given in the spindle parameter list. (For machine tool builder adjustment)
---Setting range---
1 to 20480
【#13078】 SP078 IDA D axis current lead compensation
Set the current loop gain.
To use the coil switch function, set the current loop gain for when the high-speed coil is selected.
The setting value is determined by the motor's electrical characteristics so that the value is fixed to
each motor used.
Set the value given in the spindle parameter list. (For machine tool builder adjustment)
---Setting range---
1 to 20480
【#13079】 SP079 IQG Q axis current gain
Set the current loop gain.
To use the coil switch function, set the current loop gain for when the high-speed coil is selected.
The setting value is determined by the motor's electrical characteristics so that the value is fixed to
each motor used.
Set the value given in the spindle parameter list. (For machine tool builder adjustment)
---Setting range---
1 to 8192
【#13080】 SP080 IDG D axis current gain
Set the current loop gain.
To use the coil switch function, set the current loop gain for when the high-speed coil is selected.
The setting value is determined by the motor's electrical characteristics so that the value is fixed to
each motor used.
Set the value given in the spindle parameter list. (For machine tool builder adjustment)
---Setting range---
1 to 8192
【#13081】 SP081 IQAL Q axis current lead compensation low-speed coil
When using coil switch function, set the current loop gain for when the low-speed coil is selected.
The setting value is determined by the motor's electrical characteristics so that the value is fixed to
each motor used.
Set the value given in the spindle parameter list. (For machine tool builder adjustment)
---Setting range---
1 to 20480