HEIDENHAIN SW 68894x-03 - Manual (Page 151)

HEIDENHAIN CNC PILOT 640 151
4.3 Single cut cy
cles
Circular machining
Call the single-cut menu
Select circular machining (counterclockwise)
Select circular machining (clockwise)
 Off: When the cycle is completed, the tool remains
at the cycle end position.
 On: Tool returns to the starting point
Circular machining
The tool moves on a circular path from the starting point X, Z to the
contour end point X2, Z2 at the programmed feed rate and remains
at the cycle end position.