Siemens SINUMERIK 840D Programming Manual page 226

Turning Cycles
4
4.4 Undercut cycle – CYCLE94
Further notes
You must activate a tool offset before you call the
cycles. Otherwise alarm
61000 "No tool offset active"
is output and the cycle is aborted.
Programming example
Undercut_form_E
You can machine an undercut of form E with this
program.
N10 T25 D3 S300 M3 G95 F0.3
N20 G0 G90 Z100 X50
N30 CYCLE94 (20, 60, "E")
N40 G90 G0 Z100 X50
N50 M02
4-226
X
60
Specification of technology values
Selection of starting position
Cycle call
Approach next position
End of program
SINUMERIK 840D/840Di/810D/FM-NC Programming Guide, Cycles (PGZ) - 04.00 Edition
03.96
4
FORM E
20
Z
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