Siemens SINUMERIK 840D sl Programming Manual page 237

Figure 2-9
Example 4: Convex thread in the clockwise direction with end point and opening angle
programming
Program code
N5 G0 G18 X50 Z50
N10 G335 Z100 K=3.5 AR=102.75 SF=90
Figure 2-10
Example 5: Convex thread in the clockwise direction with center point and opening angle
programming
Program code
N5 G0 G18 X50 Z50
N10 G335 K=3.5 KR=25 IR=-20 AR=102.75 SF=90
NC programming
Programming Manual, 12/2019, 6FC5398-2EP40-0BA0
Convex thread in the clockwise direction with end point and radius programming
Convex thread in the clockwise direction with end point and opening angle programming
Fundamentals
2.9 Motion commands
237