12
08.97 Punching and Nibbling
12.2 Automatic
ath se
mentation
12
840 D
NCU 572
NCU 573
840Di
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Siemens AG 2000. All rights reserved
SINUMERIK 840D/840Di/810D/FM-NC Programming Guide Advanced (PGA) – 04.00 Edition
12-425
Programming example 2
Automatic path segmentation is to be used to
create the individual rows of holes. The maximum
path segment length (SPP value) is specified in
each case for segmentation purposes.
25
45
150 75375
37.79
275
125
150
75
Y
X
160
1
2
3
Program extract
N100 G90 X75 Y75 F60 PON
Position at starting point 1; punching on;
punch one hole
N110 G91 Y125 SPP=25
Maximum path segmentation length for
automatic segmentation: 25 mm
N120 G90 X150 SPOF
Punching off, position at starting point 2
N130 X375 SPP=45 PON
Punching on, maximum path segment length
for automatic path segmentation: 45 mm
N140 X275 Y160 SPOF
Punching off, position at starting point 3
N150 X150 Y75 SPP=40 PON
Punching on, the calculated path segment
length of 37.79 mm is used instead of the
40 mm programmed as the path segment
length.
N160 G00 Y300 SPOF
Punching off, position