Siemens SINUMERIK 840D sl Programming Manual page 145

Measuring cycles
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Parameter
Parameter Data type
_MVAR
_MA
_FA
_ID
The following additional parameters are also valid:
_VMS, _TZL, _TSA, _PRNUM and _NMSP.
_TZL, _TSA not for incremental calibration!
See also
Variable measuring velocity: _VMS (Page 2-14)
Tolerance parameters: _TZL, _TMV, _TUL, _TLL, _TDIF and _TSA (Page 2-15)
Probe type, probe number: _PRNUM (Page 2-17)
Multiple measurement at the same location: _NMSP (Page 2-19)
Measuring cycles
Programming Manual, Release 04/2006, 6FC5398-4BP10-0BA0
Meaning
0
Calibrate tool probe (machine-related)
10
Calibrate tool probe (workpiece-related)
10000
Calibrate tool probes incrementally (machine-related)
10010
Calibrate tool probe incrementally (workpiece-related)
1...3
Number of the measuring axis
103, 203
Number of the offset and measuring axis
102, 201
(not for _MVAR=10000 and _MVAR=10010)
>0
Measurement path
<0
For incremental calibration (_MVAR=1000x0) the travel direction is also
defined via _FA.
_FA > 0: Travel direction +
_FA < 0: Travel direction -
REAL, ≥0
Offset
The offset affects calibration of 3rd measuring axis if the calibration tool
diameter is larger than the upper diameter of the probe. Here the tool is
offset by the tool radius from the center of the probe, minus the value in
_ID. The offset axis is also specified in _MA. Parameter _ID should usually
set to 0.
Measuring Cycles for Milling and Machining Centers
5.2 CYCLE971 tool: Measuring milling tools, drills
5-11

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