HEIDENHAIN CNC Pilot 4290 Pilot - Manual (Page 79)

79
Boring, sinking G72
G72 can be used for boring, sinking, reaming, tapping or centering on
the end faces or lateral surface using driven or stationary tools.
Parameters
NS:
Contour block number with boring geometry (G49, G300- or
G310-Geo)
E: Delay (dwell time for chip breaking at end of hole)
default: 0
D: Retraction speed – default: 0
nÿ D=0: Rapid traverse
nÿ D=1: Feed rate
K: Retraction level (radial hole: diameter) – no input: tool returns to
starting position/moves to clearance height
Hole pattern: ”NS” points to the contour of the hole (not to the
pattern definition).
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illing cy
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