HEIDENHAIN TNC 426 PB/M Technical Manual page 821

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December 2001
Set to operation with following error.
7 7 7 7
Enter the following test program:
LBL2
L X<maximum traverse> R0 FMAX
L X0 R0 FMAX
CALL LBL1 REP 100/100
7 7 7 7
Start the test program.
7 7 7 7
Display the actual feed rate (actl. speed) with the internal oscilloscope:
• If no oscillations are recognizable, no kink point is required.
• If oscillations are visible, you must reduce MP1820.x until the oscillations
have disappeared.
MP1820 optimum
MP1820 too small
Commissioning
6 – 491

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