Measuring And Tool Offset; General Information - Siemens SINUMERIK 840D sl Programming Manual
Measuring cycles hmi sl
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5.4.3
Measuring and tool offset
5.4.3.1
General information
Function
Using this measuring cycle and the _MVAR = x0xxmeasurement variants, a hole, shaft,
groove, a web, or a rectangle can be measured paraxially.
Automatic tool offset is also possible. This tool is specified in _TNUM and _TNAME.
The D number and type of offset are specified in coded form in variable _KNUM.
With an extended tool offset, a tool from a particular stored tool environment "_TENV" and
additive or setup offsets can be corrected by specifying the DL number in _DLNUM.
Detailed information on the parameters: see Parameter description section "Description of
the most important defining parameters".
If the dimensions of a tool are corrected to this extent, the next workpiece can be
manufactured with lower tolerances.
Parameters
Parameters
_MVAR
_SETVAL
_SETV[0]
_SETV[1]
_ID
_SZA
Measuring cycles
Programming Manual, 03/2009 Edition, 6FC5398-4BP10-2BA0
5.4 CYCLE977 workpiece: Measure hole/shaft/groove/web/rectangle parallel to axes
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
5
Measure rectangle inside with tool offset
6
Measure rectangle outside with tool offset
1001
Measure hole by contouring a protection zone with tool offset
1002
Measure shaft by including a protection zone with tool offset
1003
Measure groove by contouring a protection zone with tool offset
1004
Measure web by including a protection zone with tool offset
1005
Measure rectangle inside with protection zone with tool offset
1006
Measure rectangle outside with protection zone with tool offset
REAL, >0
Setpoint (acc. to drawing)
(only for hole, shaft, groove, web)
REAL, >0
Setpoint value rectangle length (in the abscissa)
Setpoint for rectangle length (in the ordinate)
(only for measuring rectangle)
REAL
Incremental infeed of applicate with sign (only for measuring shaft, web,
or rectangle, and for measuring hole/groove/shaft/web traveling around
or taking account of a safety zone)
REAL, >0
Diameter/width of the protection zone
•
(inside for hole/groove, outside for shaft/web)
Length of the safety zone in the abscissa
•
(only for measuring rectangle)
Measuring Cycles for Milling and Machining Centers
151
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