Calibrate Probe - Length (Cycle973) - Siemens SINUMERIK 840D sl Programming Manual

2.2.2

Calibrate probe - length (CYCLE973)

Function
With this measuring version, a workpiece probe with cutting edge positions SL=5 to 8 can be
calibrated on a known surface (workpiece-related). The trigger points of the probe are
determined.
Optionally, the actual length can be entered in the tool offset memory via the "Adapt tool
length" parameter.
Measuring principle
The switching position of the workpiece probe in an axis is calculated into the measuring
probe length. The calculated trigger point is determined in the corresponding axis and axis
direction, and entered in the selected calibration data set (calibration data field) of the
workpiece probe.
The probe travels in the measuring direction to the calibration edge (e.g. workpiece)
Figure 2-1
Preconditions
● The surface must be in parallel to an axis of the workpiece coordinate system (WCS).
● The calibration surface must have a low surface roughness.
● The workpiece probe is called as tool with tool offset.
● 580 must be declared as the probe type.
Starting position before the measurement
The probe must be positioned opposite to the calibration surface.
Position after the end of the measuring cycle
The probe is at the distance of the selected measurement path (DFA) away from the
calibration surface.
Measuring cycles
Programming Manual, 02/2011, 6FC5398-4BP40-0BA0
Calibrate: Length on the surface (CYCLE973), example G18, SL=7
Measuring variants
2.2 Measure workpiece (turning)
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