Axis couplings
9.1 Coupled motion (TRAILON, TRAILOF)
Job planning
Programming Manual, 07/2010, 6FC5398-2BP40-0BA0
499
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.
:
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Program code Comments
…
N100 TRAILON(V,Y) ; Activation of 1st coupled axis grouping
N110 TRAILON(W,Z,–1) ; Activation of 2nd coupled axis grouping, Negative
coupling factor: Coupled-motion axis traverses in the
opposite 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.
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