Siemens sinumerik 808d Programming And Operating Manual page 40

Programming principles
1.3 Axis movements
Programming example: End point and radius specification
Figure 1-12
N5 G90 Z30 X40
N10 G2 Z50 X40 CR=12.207
Note
With a negative leading sign for the value with CR=-..., a circular segment larger than a
semicircle is selected.
Programming example: Definition of end point and aperture angle
Figure 1-13
N5 G90 Z30 X40
N10 G2 Z50 X40 AR=105
40
Example for end point and radius specification
; Starting point circle for N10
; End point and radius
Example for end point and aperture angle specification
; Starting point circle for N10
; Opening angle and end point
Turning Part 2: Programming (Siemens instructions)
Programming and Operating Manual, 05/2012, 6FC5398-5DP10-0BA0