Positional Data
3.2 Absolute/relative dimensions
Fundamentals
3-4 Programming Manual, 10.2004 Edition, 6FC5 298-7AB00-0BP1
Example of turning
The traverse paths are entered in absolute coordinates with reference to the workpiece zero.
For entering the circle center point coordinates I and J see circle interpolation G2/G3.
=
;
:
N5 T1 D1 S2000 M3 ;Tool, spindle on clockwise
N10 G0 G90 X11 Z1 ;Absolute dimensioning, rapid traverse
;to position XYZ
N20 G1 Z-15 F0.2 ;Tool infeed at feedrate
N30 G3 X11 Z-27 I=AC(-5) K=AC(-21) ;Circle center point in absolute
dimensions
N40 G1 Z-40 ;Retracting
Description
Absolute dimensions, G90
The dimensions refer to the origin of the active coordinate system. You program the point to
which the tool is to travel, e.g. in the workpiece coordinate system.
Non-modal absolute dimensioning AC
When G91 is active, AC can be used to allow entry of incremental dimensions for individual
axes in a specific block.
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