Siemens SINUMERIK 840D Programming Manual page 219

3
12.97
08.99
3.15 Pocket milling with islands – CYCLE73, CYCLE74, CYCLE75
Programming example 2
Machining task:
Before the pocket is milled, the workpiece must be
rough drilled to ensure optimum insertion of the milling
tool.
• Center for rough drilling
• Rough drill
• Solid machine pocket with islands, mill radius 12mm
• Solid machine residual material, mill radius 6mm
• Finish pocket, mill radius 5mm.
Sketch of machining
operation
Machining program:
%_N_SAMPLE2_MPF
;$PATH=/_N_WKS_DIR/_N_CC73BEI2_WPD
; Example_2: Pocket with islands
; 2*rough drill, machine, machine resid.
;
; Tool offset data
$TC_DP1[2,1]=220 $TC_DP6[2,1]=10
$TC_DP1[3,1]=120 $TC_DP6[3,1]=12
$TC_DP1[4,1]=220 $TC_DP6[4,1]=3
$TC_DP1[5,1]=120 $TC_DP6[5,1]=5
$TC_DP1[6,1]=120 $TC_DP6[6,1]=6
TRANS X10 Y10
© Siemens AG, 2002. All rights reserved
SINUMERIK 840D/840Di/810D Programming Guide Cycles (PGZ) – 11.02 Edition
Y
Pocket depth 12mm
INS11A01
∅
30
INS1A01
30
10
70
200
mat. , finish
Milling Cycles
INS3A01
INS2A01
20
20 5
60
3
X
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