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July 2013
If the machine oscillates at a standstill:
Decrease MP1512.x.
Step 8: Limit the integral factor of the shaft speed controller
Very high static friction can cause an axis to jerk loose and "jump" around the
target position.
Increase MP2512.x until the axis remains stationary.
Step 9: Adjust the holding moment
Enter the following test program (static friction in axis Z):
LBL 1
L Z+2 R0 F50
L Z-2 R0 F50
CALL LBL 1/10
Use the integrated oscilloscope to record the actual shaft speed (ACT RPM)
and the nominal current value (I NOMINAL).
Start the program.
With the feed rate override knob, adjust the motor speed to ±10 min
(MP1054.x).
Determine the current (I NOMINAL) in both directions of rotation.
6.14 Commissioning
–1
1049
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