HEIDENHAIN MANUALplus 620 197
4.4 Contour Form Elements
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.
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 chamfer
F Thread pitch
V Left-hand or right-hand thread (default: 0)
0: Right-hand thread
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 section, not in AUXILIARY
CONTOUR, FACE or REAR.
Machine the G49 hole with G71...G74.
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