Siemens Sinumerik 840D sl Programming Manual page 232

Motion commands
10.10 Thread cutting
Figure 10-8
Example 6: Convex thread in the clockwise direction with end and intermediate point
programming
Program code
N5 G0 G18 X50 Z50
N10 G335 Z100 K=3.5 I1=60 K1=64
Figure 10-9
232
Convex thread in the clockwise direction with center point and opening angle programming
Convex thread in the clockwise direction with end and intermediate point programming
Programming Manual, 01/2015, 6FC5398-1BP40-5BA2
Fundamentals