Siemens SINUMERIK 880 Programming Manual page 165

9 Tool Offsets
9.5 G40/G41/G42 Intersection cutter radius path compensation (CRC)
Remedy:
Program the functions G58/G59/G33 before selecting the cutter radius compensation, or
cancel the cutter radius compensation (select G58/G33) and then reselect CRC.
When CRC has been selected, including the G40 block, the effective zero offset must not be
changed.
Example:
Y
N05
90
N60
N55
30
W
Cutter centre path
Programmed workpiece contour
Rounding with R
Milling with cutter radius compensation
N05 G01 G41 D1 G90 G17 X30. Y90. F500 S56 M03
L F
N10 G91 X30. Y30.
N15 G02 X30. Y–30. I0. J–30.
L F
N20 G01 X30.
N25 G02 X30. Y30. I30. J0.
L F
N30 G01 X–15. Y–30.
L F
N35 X15. Y–30.
L F
N40 X–30.
L F
N45 X–30. Y–30.
L F
N50 X–45. Y30.
L F
N55 X–15. Y30.
N60 G40 G90 X0. Y90.
N65 ...
9–10
N10
N15
N50
45 90
L F
L F
L F
© Siemens AG 1991 All Rights Reserved
N25
N30
N20
N35
N40
R
N45
120 150
R = 14.000 mm
L F
6ZB5 410-0HD02
SINUMERIK 880, (PG)
05.91
R
R
R
X