Operational Sequence - Siemens SINUMERIK 840D sl Programming Manual
Measuring cycles hmi sl
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5.9.2.2
Operational sequence
Position before measuring cycle call
Before measuring cycle CYCLE997 is called the probe must be positioned at safety height
above the set sphere center point (setpoints in _SETV[...]) of the 1st sphere.
General
The measuring cycle generates the travel movements for approaching the measuring points
itself and executes the measurements according to the selected measuring variant.
Note
The value selected for parameter _FA should be so large that all spheres can be reached
within total measurement path 2 · _FA.
Otherwise, no measurement will be performed or they will be incomplete.
Next process for measuring variant "Paraxial measurement" (_MVAR=x01x9):
All intermediate positioning actions and measurement movements are paraxial with the
active workpiece coordinate system. The measuring points are approached at distance _FA
from the sphere lateral surface (setpoint sphere diameter). Measuring point P1 is
approached first. After positioning in the abscissa, ordinate, the applicate is lowered to the
Measuring cycles
Programming Manual, 03/2009 Edition, 6FC5398-4BP10-2BA0
Measuring Cycles for Milling and Machining Centers
5.9 CYCLE997 workpiece: Measuring a sphere and ZO determination
231
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