Bore Hole (Centric) G49-Geo - HEIDENHAIN CNC PILOT 640 User Manual

DIN/ISO programming | Form elements of turning contour
Bore hole (centric) G49–Geo
G49 defines a single hole with countersink and thread at the turning
center (front or rear face). The G49 hole is a form element, not part of
the contour.
Parameter:
Z: Position Starting position for hole (reference point)
B: Diameter
P: Depth excluding point
W: Point angle (default: 180°)
R: Sink diam.
U: Sink depth
E: Sink angle
I: Thread diameter
J: Thread depth
K: Start of thread – runout length
F: Thread pitch
V: Direction of thread: (default: 0)
0: Right-hand thread
1: Left-hand thread
A: Angle – position of the first hole (default: 0°)
A = 0°: Front face
A = 180°: Rear side
O: Center. diam.
Program G49 in the FINISHED PART section, not in
TEMPORARY, FRONT or REAR SIDE
Machine the G49 hole with G71..G74
HEIDENHAIN | User's Manual smart.Turn and DIN Programming | 12/2017
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