Siemens SINUMERIK 840D Function Manual page 148

V1: Feedrates
5.2 Path feedrate F
● Block search / REPOS / ASUP
● Alarms / emergency stop / malfuncations
corresponds to the behavior for G33/G34/G35.
There are no specific restrictions.
Examples
Example 1: Convex thread in the clockwise direction with end and center point programming
Program code
N5 G0 G18 X50 Z50
N10 G335 Z100 K=3.5 KR=25 IR=-20 SF=90
Figure 5-4
Example 2: Convex thread in the counter-clockwise direction with end and center point
programming
Program code
N5 G0 G18 X50 Z50
N10 G336 Z100 K=3.5 KR=25 IR=20 SF=90
148
Convex thread in the clockwise direction with end and center point programming
Comment
; Approach starting point.
; Turn convex thread in the clock-
wise direction.
Comment
; Approach starting point.
; Turn convex thread in the coun-
ter-clockwise direction.
Function Manual, 06/2019, A5E47437747B AA
Axes and spindles