HEIDENHAIN CNC Pilot 4290 V7.1 - Manual (Page 162)

162
4.7 Cont
our F
o
rm
Elements
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.
Parameters
Z Starting position for hole (reference point)
B Hole diameter
P Depth of hole (excluding point)
W Point angle (default: 180°)
R Sinking diameter
U Sinking depth
E Sinking 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 corresponding to the position of the hole (default: 0)
„ A=0°: Front face
„ A=180°: Rear side
O Centering diameter
„ Program G49 in the FINISHED PART segment, not in
FRONT or REAR SIDE.
„ Machine the G49 hole with G71...G74.