Operation Manual
HEIDENHAIN CNC PILOT 4290 427
6.8 C-Axis Contours
Core hole on front/rear face contour
Countersinking on front/rear face contour
Tapping on front/rear face contour
Core hole parameters
B Diameter of hole
P Depth of hole (excluding point)
W Point angle
W=0°: the AWG generates a “feed rate reduction (V=1)” for
the drilling cycle
W>0°: point angle
Fit: H6 to H13 or “without fit” (see “Drilling” on page 556)
Countersinking parameters
R Sinking diameter
U Sinking depth
E Sinking angle
Thread parameters
I Nominal diameter
J Thread depth
K Thread runout length
F Thread pitch
Type of thread:
Right-hand thread
Left-hand thread