HEIDENHAIN iTNC 530 (340 49x-05) Cycle programming - Manual (Page 54)

54 Using Canned Cycles
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Global data for probing functions
U Setup clearance: Distance between stylus and workpiece surface
for automated approach of the probing position.
U Clearance height: The coordinate in the touch probe axis to which
the TNC traverses the touch probe between measuring points, if the
Move to clearance height
option is activated.
U Move to clearance height: Select whether the TNC moves the
touch probe to the setup clearance or clearance height between the
measuring points.
Applies for all Touch Probe Cycles 4xx.