Detailed description
2.1 Axes
Basic logic functions: Axes, coordinate systems, frames (K2)
Function Manual, 11/2006, 6FC5397-0BP10-2BA0
27
2.1.10 Synchronized axes
Significance
Synchronous axes are components of the path axes, which are not referenced in order to
calculate the tool path velocity. They are interpolated together with path axes (all path axes
and synchronous axes of one channel have a common path interpolator).
All path axes and all synchronous axes of a channel have the same acceleration phase,
constant travel phase and deceleration phase.
The feedrate (path feedrate) programmed under address F applies to all the path axes
programmed in a block but not to the synchronous axes.
Synchronous axes take the same time to cover the programmed path as the path axes.
FGROUP command
The command FGROUP specifies whether the axis is a feed-defining path axis (used to
calculate the path velocity) or a synchronous axis (not used to calculate the path velocity).
Example
N05 G00 G94 G90 M3 S1000 X0 Y0 Z0
;
N10 FGROUP(X,Y)
; Axes X/Y are path axes,
Z is a synchronous axis.
N20 G01 X100 Y100 F1000
; Progr. feedrate 1000 mm/min.
Feedrate of axis X = 707 mm/min.
Feedrate of axis Y = 707 mm/min.
N30 FGROUP (X)
; Axis X is a path axis,
axis Y is a synchronous axis
N20 X200 Y150
; progr. Feedrate 1000 mm/min
Feedrate of Axis X = 1000 mm/min
Feedrate of Axis Y is set to 500 mm/min, because
only half the distance is to be traversed.
Note
The channel axis name must be used for the FGROUP command.
This is defined by the machine data:
MD20080 $MC_AXCONF_CHANAX_NAME_TAB (name of the channel axis in the channel)
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