Siemens Sinumerik 840D sl Programming Manual page 195

Examples
Example 1: Milling
Program code
N10 G0 X0 Y0 Z0 G90 T1 D1
N20 G41 X30 Y30 G1 F1000
N30 CT X50 Y15
N40 X60 Y-5
N50 G1 X70
N60 G0 G40 X80 Y0 Z20
N70 M30
Fundamentals
Programming Manual, 01/2015, 6FC5398-1BP40-5BA2
Milling a circular arc with CT directly after the
straight part.
Comment
; Activation of TRC.
; Circular-path programming with tangential transi-
tion.
Motion commands
10.6 Circular interpolation
195