Siemens SINUMERIK 840Di sl Programming Manual page 370

Tool offsets
8.11 Smooth approach and retraction
N10 G0 X0 Y0 Z20 G64 D1 T1 OFFN = 5
N20 G41 G247 G341 Z0
DISCL = AC(7) DISR = 10 F1500 FAD=200
N30 G1 X30 Y-10
N40 X40 Z2
N50 X50
N60 G248 G340 X70 Y0 Z20 DISCL = 6
DISR = 5 G40 F10000
N70 X80 Y0
N80 M30
Selecting the approach and retraction contour
The appropriate G command can be used
• to approach or retract with a straight line (G147, G148),
• a quadrant (G247, G248) or
• a semicircle (G347, G348).
370
;(P )
0app
;Approach (P )
3app
;(P )
4app
;(P )
4ret
;Retract (P )
3ret
;(P )
0ret
Programming Manual, 11/2006, 6FC5398-1BP10-2BA0
Fundamentals