Siemens Sinumerik 840D sl Programming Manual page 28

Drive commands
2.1 Interpolation commands
Programming example
At the cylindrical plane (it arises because the circumference of a cylindrical workpiece is
rolled off), in which the Z-axis is accepted as the linear axis and the A-axis as the rotary axis,
the following program is written:
Figure 2-7
Program
M19
G40
G00 Z30. A-10.
G07.1 A57.296
G90
G42 G01 A0 F200
G00 X50.
G01 A90. F100
G02 A120. Z60. R30
G01 Z90.
Z120. A150.
Z150.
G03 Z150. A210. R30.
G02 Z120. A240. R30
G01 A300.
Z30. A330.
A360.
G00 X100.
G40 G01 A370.
G07.1 A0
G00 A0
28
G07.1 - Programming example
;Operation with cylindrical interpolation ON
;(workpiece radius = 57.926)
;Operation with cylindrical interpolation OFF
Programming Manual, 06/09, 6FC5398-7BP10-1BA0
ISO Milling