Example
The basic system is metric (MD10240 $MN_SCALING_SYSTEM_IS_METRIC = 1). However,
the workpiece drawing has dimensions shown in inches. This is the reason why within the part
program, the inch system of units is selected. After the inch dimensions have been processed,
the metric system of units is again selected.
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Program code Comment
N10 G0 G90 X20 Y30 Z2 S2000 M3 T1 ; X=20 mm, Y=30 mm, Z=2 mm, F=rapid traverse
mm/min
N20 G1 Z-5 F500 ; Z=-5 mm, F=500 mm/min
N30 X90 ; X=90 mm
N40 G70 X2.75 Y3.22 ; programmed system of units: inch
; X=2.75 inch, Y=3.22 inch, F=500 mm/min
N50 X1.18 Y3.54 ; X=1.18 inch, Y=3.54 inch, F=500 mm/min
N60 G71 X20 Y30 ; programmed system of units: Metric
; X=20 mm, Y=30 mm, F=500 mm/min
N70 G0 Z2 ; Z=2 mm, F=rapid traverse mm/min
N80 M30 ; end of program
Further information
Reading and writing data in the case of G70/G71 and G700/G710
Data area G70 / G71 G700 / G710
Read Write Read Write
Display, decimal places (WCS) P P P P
Display, decimal places (MCS) G G G G
Feedrates G G P P
Position data X, Y, Z P P P P
Fundamentals
2.8 Geometry settings
NC programming
160 Programming Manual, 12/2019, 6FC5398-2EP40-0BA0
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