Siemens SINUMERIK 840D sl Programming Manual page 181
Measuring cycles hmi sl
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Empirical values and mean values
An empirical value stored in data block GUD5 in array _EV[ ] can be incorporated in the
result calculation after measurement is completed.
Optionally, averaging is performed over a number of parts (array _MV[ ]) and the tolerance
bands are checked.
Both are activated in _EVNUM (see Parameter description Section "Description of the most
important defining parameters").
Parameters
Parameters
_MVAR
_SETVAL
_CPA
_CPO
_STA1
_ID
_INCA
_RF
_KNUM
_TNUM
_TNAME
_DLNUM
_TENV
The following additional parameters are also valid:
_VMS, _CORA, _TZL, _TMV, _TUL, _TLL, _TDIF, _TSA, _FA, _PRNUM,
_EVNUM, _NMSP and _K.
_CORA only relevant for monodirectional probe.
The other parameters must also be assigned if _KNUM=0 because they refer to the
workpiece.
The diameter or width difference is monitored here with _TSA.
Measuring cycles
Programming Manual, 03/2009 Edition, 6FC5398-4BP10-2BA0
5.6 CYCLE979 workpiece: Measure hole/shaft/groove/rib at an angle
Data type
Meaning
1
Measure hole with tool offset
2
Measure shaft with tool offset
3
Measure groove with tool offset
4
Measure web with tool offset
REAL, >0
Setpoint diameter, width (acc. to drawing)
REAL
Center point of abscissa
(with reference to workpiece zero)
REAL
Center point of ordinate
(with reference to workpiece zero)
-360 to
Start angle
+360
degrees
REAL
Incremental lifting of applicate with prefix
(only measure with web, lift for crossing)
-360 to
Indexing angle (only for measuring hole or shaft)
+360
useful values for 3-point measurement: -120 ... + 120 degrees
degrees
useful values for four-point measurement: -90 ... +90 degrees
REAL, >0
Feed for circular interpolation (mm/min)
(only measure for hole and/or shaft)
0, >0
0: without automatic tool offset
>0: with automatic tool offset
(Individual values: see Parameter description section "Description of the
most important defining parameters", Parameter _KNUM)
INT, ≥0
Tool number for automatic tool offset
STRING[32] Tool name for automatic tool offset
(alternative for _TNUM if tool management active)
INT, ≥0
DL number for additive/setup offset
STRING[32] Name of tool environment for automatic tool offset
Measuring Cycles for Milling and Machining Centers
181
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