HEIDENHAIN iTNC 530 (340 49x-03) smarT.NC Pilot - Manual (Page 40)

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Global data for milling operations with contour cycles
8 Set-up clearance: Distance between tool tip and workpiece surface
for automated approach of the cycle start position in the tool axis.
8 Clearance height: Absolute height at which the tool cannot collide
with the workpiece (for intermediate positioning and retraction at the
end of the cycle).
8 Overlap factor: The tool radius multiplied by the overlap factor equals
the lateral stepover.
8 Climb or up-cut: Select the type of milling.
Global data for probing functions
8 Set-up clearance: Distance between stylus and workpiece surface for
automated approach of the probing position.
8 Clearance height: The coordinate in the touch probe axis to which
smarT.NC traverses the touch probe between measuring points, if the
Move to clearance height
option is activated.
8 Move to clearance height: Select whether smarT.NC moves the
touch probe to the set-up clearance or clearance height between the
measuring points.