HEIDENHAIN ITNC 530 - PILOT SMART NC Manual page 102

Additional parameters on the drilling parameters detail form:
U
Predrilled diameter: Enter if pre-drilled holes are to be machined
again. This allows you to rough-mill holes more than twice as large as
the tool diameter
Globally effective parameters on the global data detail form:
U
Setup clearance
U 2nd setup clearance
U Feed rate for traversing between machining positions
U
Climb milling, or
U Up-cut milling
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