Turning Measurement - Front Edge (Cycle974) - Siemens SINUMERIK 840D sl Programming Manual
Measuring cycles
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Measuring variants
3.2 Measure workpiece (turning)
3.2.5
Turning measurement - front edge (CYCLE974)
Function
With this measuring variant, workpiece dimensions can be measured at edges in the direction
of the infeed axis and offsets derived from these.
The measurement result and the measurement difference can be used for:
● Correction of a work offset
● Offset of a tool
● Measurement without offset
Note
Extended measurement
Information on measurement in conjunction with a third axis can be found in ChapterExtended
measurement (Page 105).
Measuring principle
The measuring cycle determines the actual value of a measuring point at an edge of the turned
part, relative to the workpiece zero.
The difference between the actual value (measured value) and a specified setpoint in the 1st
axis of the plane is calculated (for G18: Z).
An extended tool offset in the summed and setup offsets is possible.
For the tool offset, generally empirical values can be included in the calculation.
Figure 3-3
92
Measure: Front edge (CYCLE974)
Programming Manual, 12/2017, 6FC5398-4BP40-6BA1
Measuring cycles
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