Siemens SINUMERIK 840D Programming Manual page 217

3
12.97
08.99
3.15 Pocket milling with islands – CYCLE73, CYCLE74, CYCLE75
Programming example 1
The machining task involves machining a pocket with
two islands from solid material and then finishing the
pocket in plane X, Y
Sample program 1.mpf (pocket with islands)
%_N_SAMPLE1_MPF
;$PATH=/_N_WKS_DIR/_N_CC73BEI1_WPD
;Example_1: Pocket with islands
;Solid machine and finish
$TC_DP1[5,1]=120 $TC_DP3[5,1]=111
$TC_DP6[5,1]=4
$TC_DP1[2,1]=120 $TC_DP3[2,1]=130
$TC_DP6[2,1]=5
N100 G17 G40 G90
N110 T5 D1
N120 M6
N130 M3 F2000 S500 M8
N140 GOTOF _MACHINE
;
N510 _EDGE:G0 G64 X25 Y30
N520 G1 X118 RND=5
N530 Y96 RND=5
N540 X40 RND=5
N545 X20 Y75 RND=5
N550 Y35
N560 _ENDEDGE:G3 X25 Y30 CR=5
;
N570 _ISLAND1:G0 X34 Y58
N580 G1 X64
N590 _ENDISLAND1:G2 X34 Y58 CR=15
;
N600 _ISLAND2:G0 X79 Y73
N610 G1 X99
N620 _ENDISLAND2:G3 X79 Y73 CR=10
;
© Siemens AG, 2002. All rights reserved
SINUMERIK 840D/840Di/810D Programming Guide Cycles (PGZ) – 11.02 Edition
Y
98
73
58
30
A
34
20 79
All radii on R5 corners
;Tool offset mill T5 D1
;Initial conditions G code
;Load milling tool
;Define edge contour
;Define bottom island
;Define top island
3
Milling Cycles
Y
A
A - A
X
Z
17.5
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