Siemens SINUMERIK 840D sl Programming Manual page 213
Measuring cycles hmi sl
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The measuring points are derived from the specified angle and distances. Measurement is
performed paraxially to the existing workpiece coordinate system (WCS).
Note
When setting up the internal corner, the cycle only traverses in the plane at measuring
height.
When setting up the external corner, the corner can either be passed over using the shortest
path (lift in applicate) or traveled around in the plane.
Parameter
Parameter
_MVAR
_FA
_KNUM
_STA1
_INCA
_ID
_SETV[0]
_SETV[1]
For measuring variants 105 and 106 only (rectangle):
_SETV[2]
_SETV[3]
Measuring cycles
Programming Manual, 03/2009 Edition, 6FC5398-4BP10-2BA0
5.8 CYCLE961 workpiece: Setup inside and outside corner
Data type
Meaning
105
Set up internal corner of a rectangle
(geometry known, 3 measuring points)
106
Set up external corner of a rectangle
(geometry known, 3 measuring points)
107
Set up internal corner (geometry unknown, 4 measuring points)
108
Set up external corner (geometry unknown, 4 measuring points)
REAL
Measuring path, only included if _FA larger than internally calculated
0, >0
0: without automatic ZO correction
>0: with automatic ZO correction
(Individual values: see Parameter description section "Description of
the most important defining parameters"., Parameter _KNUM)
REAL
Approx. angle of posit. direction of the abscissa with respect to
reference edge of the workpiece in MCS
Negative value in clockwise direction
•
Positive value in counterclockwise direction
•
REAL
Approximate angle between reference edge and 2nd edge of
workpiece (precision: <10 degrees):
Negative value in clockwise direction
•
Positive value in counterclockwise direction
•
REAL
Incremental retraction of applicate when measuring external corner,
used to travel around the corner, especially _ID=0: The corner is
traveled around – not passed over.
REAL, >0
Distance between starting point and measuring point 2 in direction
_STA1 (P1 is at _SETV[0] / 2)
REAL, >0
Distance between starting point and measuring point 4 in direction
STA1+ INCA (P3 is at _SETV[1] / 2)
REAL
Offset of zero offset WCS (corrected) in abscissa
REAL
Offset of zero offset WCS (corrected) in ordinate
Measuring Cycles for Milling and Machining Centers
(accuracy: <10 degrees):
1)
213
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