Operation Manual

HEIDENHAIN CNC PILOT 640 139
4.1 Working with cycles
Soft keys in cycle programming: Depending on the type of cycle,
you define the variants of the cycle by soft key (see table below).
Soft keys in cycle programming
Call the interactive contour input
Move to the tool change position
Activate spindle positioning (M19)
 On: Tool returns to starting point
 Off: Tool remains at cycle end position
Switch to the finishing operation
Switch to the expanded mode
Open the turret list and tool list. You can load the tool
from the list.
Load the actual positions X and Z in Teach-in mode
Accept the proposed values for feed rate and cutting
velocity from the database
 On: Constant speed [rpm]
 Off: Constant surface speed [m/min]
Linear drilling or milling pattern on face or lateral surface
Circular drilling or milling pattern on face or lateral surface
Transfer entered/changed values
Cancel the current dialog