Operation Manual

HEIDENHAIN CNC PILOT 640 355
4.9 Drilling and milling patterns
Drilling pattern circular, axial
Select drilling
Select drilling, axial
Select deep-hole drilling, axial
Select tapping, axial
Press the Pattern circular soft key
Press Pattern circular to machine drilling patterns in which the
individual features are arranged at a regular spacing in a circle or
circular arc on the face.
The parameters for creating the hole are also requested.
Use the following parameter combinations to define the center of the
pattern:
 XM, CM or
 XK, YK
CIRCULAR DRILLING PATTERN, AXIAL
Cycle parameters
X, Z Starting point
C Spindle angle (C-axis position)—(default: current spindle
angle)
Q Number of holes
XM, CM Center of pattern in polar coordinates
XK, YK Center of pattern in Cartesian coordinates
K Pattern diameter
A Angle of 1st hole (default: 0°)
Wi Angle increment (pattern spacing)—(default: holes are
arranged at a regular spacing in a circle)