Operation Manual

HEIDENHAIN MANUALplus 620 507

7.3 Tool data

Countersink

Select "New tool."

Select special tools.

Select special drilling tools.

Select counterbore.

The help graphics illustrate the dimensions of the tools.

Special parameters for countersinks

DV Hole diameter

DH Stud diameter

BW Drill angle

For further tool parameters, see Page 497.

For drilling operations with constant cutting speed, the

drilling diameter (DV) is used to calculate the spindle

speed.