HEIDENHAIN TNC 430 PA/M - Compensate the Sliding Friction

December 2001 Commissioning 6 – 497
10. Compensate the sliding friction:
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7 Select operation with velocity feedforward control
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7 Enter the following test program (sliding friction in the X axis):
LBL 1
L X+2 R0 F50
L X-2 R0 F50
CALL LBL 1/10
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7 Use the integrated oscilloscope to record the actual shaft speed
(ACTUAL RPM) and the nominal current value (I NOMINAL).
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7 Start the test program.
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7 With the feed rate override knob, adjust the motor speed to 10 rpm
(MP2020.x).
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7 Determine the current (I NOMINAL) in both directions of rotation.
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7 Calculate MP2610.x:
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7 Change the test program so that the motor rotates at its rated speed.
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7 Restart the test program.
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7 Determine the current (I NOMINAL) for the rated shaft speed.
MP2610.x
I NOML
1
I NOML
2
–
2
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