Siemens SINUMERIK 840D sl Programming Manual page 155

Preconditions
● The probe must be called as a tool with tool length compensation and be active.
● Tool type of the probe: 3D multi probe (type 710)
● In the active WO, the approximate values for the position of the balls regarding offset and
● Only minor deviations from the actual position of workpiece from the cycle can be
● The ball diameter must be significantly greater than the ball diameter of the probe stylus.
Starting position before the measurement
The probe must be positioned above the setpoint sphere center point of the 1st sphere at a
safe height.
Note
The measuring points must be selected so that there is no danger of a collision with a sphere
fixture or another obstacle during measuring or intermediate positioning.
The measurement path in parameter DFA should be selected so large that all measuring
points can be reached within total measurement path 2 DFA. Otherwise no measurement
can be performed or the measurements are incomplete.
Position after the end of the measuring cycle
The probe is above the determined sphere center point of the 3rd sphere at a safe height
(height at the starting position).
Procedure
The part program or ShopMill program to be processed has been created and you are in the
editor.
Measuring cycles
Programming Manual, 02/2011, 6FC5398-4BP40-0BA0
rotation are entered and activated. The value in the offset of the WO refers to the 1st ball.
expected.
1. Press the "Meas. workpiece" softkey.
2. Press the "3D" softkey.
3. Press the "3 spheres" softkey.
The input window "Measure: 3 spheres" is opened.
Measuring variants
2.3 Measure workpiece (milling)
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