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TNC 426/TNC 425/TNC 415 B/TNC 407
5 - 4 4
5
Programming Tool Movements
Optimized traverse of rotary axes: M126
Standard behavior – without M126
If you reduce display of a rotary axis to a value less than 360°, the TNC
will move the axis in the following way:
Actual position
Nominal position
Actual path of traverse
350°
10°
–340°
10°
340°
+330°
Optimized traverse of rotary axes – with M126
If you reduce display of a rotary axis to a value less than 360°, the TNC
will move the axis in the following way:
Actual position
Nominal position
Actual path of traverse
350°
10°
+20°
10°
340°
–30°
Resulting NC block: L C+10 A+340 R0 F500 M126
Duration of effect
M126 is effective at the beginning of the block. M126 is cancelled by
M127 or at the end of program.
5.6
M Functions for Contouring Behavior