HEIDENHAIN SW 68894x-02 - Manual (Page 503)

HEIDENHAIN CNC PILOT 640 503
7.
3
Tool
data
Twist drills and indexable-insert drills
Select "New tool."
Select drilling tools.
For indexable-insert drills, switch to dialog for
indexable-insert drills.
The help graphics illustrate the dimensions of the tools.
Special parameters for twist drills
DV Drill diameter
BW Drill angle: Point angle of the drill
AW Driven tool : This parameter specifies for drilling and tapping
tools during cycle programming whether switching commands
are generated for the spindle or the driven tool.
 0: Stationary tool
 1: Driven tool
NL Usable length
RW Angle of orientation: Deviation from the main machining
direction (input range: –90° to +90°)
AX Salient length in X
FH Chuck height
FD Diameter of the chuck
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.