Operation Manual

HEIDENHAIN CNC PILOT 4290 439
6.8 C-Axis Contours
Core hole on lateral surface contour
Countersinking on lateral surface contour
Tapping on lateral surface contour
Core hole parameters
B Diameter of hole
P Hole depth (depth of hole and countersink – without drill point
and center 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