Siemens SINUMERIK 840D sl Programming Manual page 179

Measuring cycles hmi sl
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Procedure for groove
The probe is in the groove and approaches both measuring points one after the other in the
selected measuring height along an oblique straight line as defined by angle _STA1 and
which travels through CPA, CPO.
Procedure for web
When using the measuring variants for the web _MVAR=4, _MVAR=104 , additional details
are needed for crossing the web with _ID.
_ID specifies the distance (with prefix) from the measuring height.
CAUTION
If _CBIT[14]=0, length 1 (L1) of the probe refers to the ball center. Radius R is then not
taken into account in the length and must be included in _ID!
Measuring point P2 is approached via P2' along an oblique straight line according to angle
_STA1 and which runts through _CPA, _CPO.
P1', P2' are both distance _FA (path) from the contour.
Measuring cycles
Programming Manual, 03/2009 Edition, 6FC5398-4BP10-2BA0
Measuring Cycles for Milling and Machining Centers
5.6 CYCLE979 workpiece: Measure hole/shaft/groove/rib at an angle
179

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