Siemens SINUMERIK 840D Programming Manual page 139

03.96
3
Programming example
Circular pocket
With this program you can machine a circular pocket
in the YZ plane. The center point is defined by Y50
Z50. The infeed axis for the depth infeed is the
X axis, the pocket depth is entered as an absolute
value. Neither a final machining allowance nor a
safety clearance is defined.
DEF REAL RTP=3, RFP=0, DP=-20,->
-> PRAD=25, FFD=100, FFP1, MID=6
N10 FFP1=FFD*2
N20 G19 G90 G0 S650 M3 T20 D20
N30 Y50 Z50
N40 POCKET2 (RTP, RFP, , DP, , PRAD, ->
-> 50, 50, FFD, FFP1, MID, 3, )
N50 M30
-> Must be programmed in a single block
 Siemens AG 2000 All rights reserved.
SINUMERIK 840D/840Di/810D/FM-NC Programming Guide, Cycles (PGZ) - 04.00 Edition
3.8 Milling circular pockets - POCKET2
Z
Definition of variables with value
assignment
Specification of technology values
Approach starting position
Cycle call
Parameters FAL, VARI, MIDF, FFP2,
SSF are omitted
End of program
Milling Cycles
A
B
Y
50
3
Z
A - B
X
20
3-139