HEIDENHAIN CNC Pilot 4290 Pilot - Manual (Page 22)

22
Bore hole (centered) G49-Geo
G49 defines a single bore hole with countersink and thread at the
turning center (front or end face).
Parameters
Z:
Starting position for hole (reference point)
B: Bore hole diameter
P: Depth of hole (excluding point)
W: Point angle – default: 180°
R: Countersinking diameter
U: Countersinking depth
E: Countersinking angle
I: Thread diameter
J: Thread depth
K: Thread runout length
F: Thread pitch
V: Left-hand or right-hand thread - default: 0
■ V=0: Right-hand thread
■ V=1: Left-hand thread
A: Angle (position of bore hole) – default: 0
■ A=0: front end
■ A=180: tail end
O: Centering diameter
• G49 is programmed in the FINISHED PART section (not in
the FRONT or REAR SIDE section).
• The contour defined with G49 is machined with G71...G74.
F
o
rm
elements
fo
r cont
our descr
iption