HEIDENHAIN TNC 620 User Manual page 160

5
Circular motion in another plane
The control normally makes circular movements in the active
working plane. However, you can also program circular arcs that do
not lie in the active working plane.
Example
3 TOOL CALL 1 Z S4000
4 ...
5 CC X+25 Z+25
6 L X+45 Y+25 Z+25 RR F200 M3
7 C X+45 Z+25 DR+
By simultaneously rotating these circular movements you can create
spatial arcs (arcs in three axes).
Full circle
For the end point, program the same coordinates as for the starting
point.
The starting and end points of the arc must lie on the
circle.
The maximum value for input tolerance is 0.016 mm.
Set the input tolerance in the machine parameter
circleDeviation (no. 200901).
Smallest possible circle that the control can traverse:
0.016 mm.
160
Programming contours | Path contours — Cartesian coordinates
HEIDENHAIN | TNC 620 | Klartext Programming User's Manual | 01/2022