Siemens SINUMERIK 840DE Programming Manual page 342

Tool offsets
8.11 Smooth approach and retraction
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).
8-46
;Retract (P )
3ret
;(P )
0ret
Programming Manual, 10.2004 Edition, 6FC5 298-7AB00-0BP1
Fundamentals