HEIDENHAIN CNC Pilot 4290 - Manual (Page 250)

6 TURN PLUS 238
6.5 Finished P
a
rt
Cont
our
(Centric) bore hole
Bore hole defines a single bore hole on the turning center (front or
back).
The hole can contain the following elements:
■ Centering
■ Core drilling
■ Countersinking
■ Thread
Centering parameters
O:
Centering diameter
Countersinking parameter
R:
Countersinking diameter
U: Countersinking depth
E: Countersinking angle
Core hole parameter
B:
Hole diameter
P: Depth of hole (excluding point)
W: Point angle
■ W=0°: ”Feed rate reduction (V=1)”
■ W>0°: Point angle
Fit: H6...H13 or ”none” (see ” 6.16.6 Drilling”)