Example
The workpiece is to be machined on two sides with the axis configuration shown in the diagram.
To do this, you create two combinations of coupled axes.
W
V
Z
Y
X
Axis
Axis
Axis
Axis
Axis
Program code Comment
…
N100 TRAILON(V,Y) ; Activation of 1st coupled axis group.
N110 TRAILON(W,Z,–1) ; Activation of 2nd coupled axis grouping, Negative cou-
pling factor: Coupled-motion axis traverses in the oppo-
site direction from leading axis.
N120 G0 Z10 ; Infeed of Z and W axes in opposite axial directions.
N130 G0 Y20 ; Infeed of Y and V axes in same axis direction.
…
N200 G1 Y22 V25 F200 ; Overlaying of a dependent and independent movement of
coupled motion axis V.
…
TRAILOF(V,Y) ; Deactivation of 1st coupled axis grouping.
TRAILOF(W,Z) ; Deactivation of 2nd coupled axis grouping.
Further information
Axis types
A coupled axis grouping can consist of any desired combinations of linear and rotary axes. A
simulated axis can also be defined as a leading axis.
Coupled-motion axes
Up to two leading axes can be assigned simultaneously to a trailing axis. The assignment is
made in different combinations of coupled axes.
A coupled-motion axis can be programmed with the full range of available motion commands
(G0, G1, G2, G3, etc.). The coupled axis not only traverses the independently defined paths, but
also those derived from its leading axes on the basis of coupling factors.
Work preparation
3.16 Axis couplings
NC programming
Programming Manual, 12/2019, 6FC5398-2EP40-0BA0 893
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