Siemens SINUMERIK 840Di sl Programming Manual page 346

Tool offsets
8.8 Tool radius compensation (G40, G41, G42)
N10 G0 Z100
N20 G17 T1 M6
N30 G0 X0 Y0 Z1 M3 S300 D1
N40 Z-7 F500
N50 G41 X20 Y20
N60 Y40
N70 X40 Y70
N80 X80 Y50
N90 Y20
N100 X20
N110 G40 G0 Z100 M30
346
;Retract to tool change point
;Change tool
;Call tool offset values, ;select length compensation
;Tool infeed
;Activate tool radius compensation, tool
;operates on left-hand side of contour
;Mill contour
;Retract tool, end of program
Programming Manual, 11/2006, 6FC5398-1BP10-2BA0
Fundamentals