setpoint speed of the following axis (calculated from master spindle and using the CTAB curve
table).
Following axis position
Following axis position
using curve table
Y
Y
No synchronism
If the following axis position calculated moves away from the current following axis position
when the master value coupling is activated, it is not possible to establish synchronization.
Actual value and setpoint coupling
Setpoint coupling provides better synchronization of the leading and following axis than actual
value coupling and is therefore set by default.
Setpoint value coupling
Actual value coupling
Ax1 Ax2
NCU
Setpoint coupling is only possible if the leading and following axis are interpolated by the same
NCU. With an external leading axis, the following axis can only be coupled to the leading axis
via the actual values.
Work preparation
3.16 Axis couplings
NC programming
Programming Manual, 12/2019, 6FC5398-2EP40-0BA0 915
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