HEIDENHAIN TNC 620 (34056x-04) Cycle programming - Manual (Page 57)

PATTERN DEF pattern definition 2.3
2
TNC 620 | User's Manual Cycle Programming | 5/2013
57
Defining a full circle
If you have defined a
workpiece surface in Z not
equal to 0, then this value is effective in addition to
the workpiece surface
Q203 that you defined in the
machining cycle.
Bolt-hole circle center X (absolute): Coordinate of
the circle center in the X axis
Bolt-hole circle center Y (absolute): Coordinate of
the circle center in the Y axis
Bolt-hole circle diameter: Diameter of the bolt-
hole circle
Starting angle: Polar angle of the first machining
position. Reference axis: Reference axis of the
active machining plane (e.g. X for tool axis Z). You
can enter a positive or negative value
Number of repetitions: Total number of machining
positions on the circle
Coordinate of workpiece surface (absolute): Enter
Z coordinate at which machining is to begin
NC blocks
10 L Z+100 R0 FMAX
11 PATTERN DEF CIRC1
(X+25 Y+33 D80 START+45 NUM8 Z+0)