HEIDENHAIN ND 780 - Handbuch (Seite 182)

58
I Operating Instructions
I - 3 Milling Specific Oper
ations
Press ENTER (uses last entered preset).
Drill hole
2
: Traverse Z axis until the display value is
zero. The square in the graphic positioning aid is now
centered between the two triangular marks. Retract
the drill.
1/2 Soft Key
The 1/2 soft key is used to find the half-way (or midpoint) between two
locations along a selected axis of a workpiece. This can be performed
in either Actual Value or Distance-To-Go mode.
Example: Finding the midpoint along a selected axis.
X dimension: X = 100 mm
Midpoint: 50 mm
Move tool to first point.
ZERO/SET soft key must be set to Zero.
Select the X axis key and
move to second point.
Press 1/2 soft key, then press the X axis key and
move until you reach zero. This is the midpoint
location.
NOMINAL POSITION VALUE
This feature will change datum locations when in Actual
Value mode.
MOVE TO 1ST POINT
ZERO AXIS AND MOVE TO 2ND POINT
PRESS 1/2 AND MOVE TO ZERO