HEIDENHAIN CNC Pilot 4290 - Manual (Page 110)

4 DIN PLUS 98
G103 Geo
Hole on front/rear face G300 Geo
Hole with countersinking and thread.
Parameters
XK,YK: Center in Cartesian coordinates
B: 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 – inclination of hole (reference: Z axis)
■ Front face – default: 0° (range: –90° < A < 90°)
■ Rear face – default: 180° (range: 90° < A < 270°)
O: Centering diameter
Machine the G300 holes with G71...G74.
4.5 Geometry Commands
B: Chamfer/rounding arc – transition to the next contour element.
Program the theoretical end point when you enter a chamfer/
rounding arc.
■ No entry in B: tangential transition
■ B=0: no tangential transition
■ B>0: Radius of the rounding arc
■ B<0: Width of chamfer
Programming
■ X, XK, YK: absolute, incremental, modal or ”?”
■ C: Absolute, incremental or modal
■ I, J: Absolute or incremental
■ End point must not be the starting point (no full circle).