HEIDENHAIN PT 855 for Milling - Manual (Page 34)

I - 2 Working with POSITIP – First Steps
32 Operating Instructions POSITIP 855
Y
X
50
50
30
30
1
20
20
2
0
0
Displaying and moving to positions
Operating mode:
DISTANCE-TO-GO
Example: Drilling by traversing to display value zero
Enter the coordinates in incremental dimensions. These are indi-
cated in the following (and on the screen) with a preceding I .
The datum is the workpiece zero point.
Hole at
X = 20 mm
Y = 20 mm
Distance from hole
to hole I X= 30 mm
I Y= 30 mm
Hole depth Z =–12 mm
Pre-position the drill over the first hole.
Select the Z axis.
N o m i n a l p o s i t i o n v a l u e ?
1 2
ENT
Enter the nominal position value for the hole depth: Z = –12 mm.
Confirm your entry.
The graphic positioning aid for the Z axis is displayed.
Drill 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.
N o m i n a l p o s i t i o n v a l u e ?
Retract the drill in the tool axis (Z).
Select the X axis.
0 3
Enter the nominal position value for hole : X = 30 mm
and
mark your input as an incremental dimension.
Select tool radius compensation R 0.
1
2
1
1
2