HEIDENHAIN POSITIP 880 User Manual page 40

Example: Drilling by traversing to display value zero
Enter the coordinates in incremental dimensions. These are indicated
in the following (and on the screen) with a preceding I. The datum is
the workpiece zero. See Fig. I.33 & Fig. I.34.
Hole 1 at: X = 20 mm / Y = 20 mm
to hole 1: IX = 30 mm / IY = 30 mm
Distance from hole 2
Hole depth: Z = –12 mm
Operating mode: DISTANCE-TO-GO
NOMINAL POSITION VALUE
Select an axis key: X axis.
Enter nominal position value for hole 1: X = 20 mm
and press ENT. Cursor will move to the Y axis field.
NOMINAL POSITION VALUE
Enter nominal position value for hole 1: Y = 20 mm
and press ENT. Cursor will move to the Z axis field.
NOMINAL POSITION VALUE
Enter the nominal position value for the hole depth:
Z = –12 mm The graphic positioning aid for the Z axis
is displayed. Press USE soft key.
Pre-position the drill over the first hole. 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 in the tool axis (Z).
Once the axis is moved to zero it will increment to
next block.
Press the NEXT BLOCK soft key.
Select an axis key: X axis.
40
Fig. I.33 Drilling example
Fig. I.34
I Operating Instructions