Operation Manual

HEIDENHAIN CNC PILOT 640 525
7.3 Tool data
Counterbore
Select "New tool."
Select special tools.
Select special drilling tools.
Select counterbore.
The help graphics illustrate the dimensions of the tools.
Special parameters for counterbores
DV Hole diameter
DH Stud diameter
ZA Stud length
For further tool parameters, see Seite 516.
For drilling operations with constant cutting speed, the
hole diameter (DV) is used to calculate the spindle
speed.