HEIDENHAIN PT 855 for Milling - Manual (Page 44)

I - 3 Hole Patterns and Rectangular Pocket
42 Operating Instructions POSITIP 855
2nd step: Display graphic
The graphic makes it easy to verify the entered data.
The solid circle represents the currently selected hole.
Linear hole patterns
POSITIP displays the pattern
graphically on the screen.
Here, 3 rows of 4 holes are shown.
1st hole at X=20 mm, Y=10 mm
Hole spacing: 10 mm
Angle between rows and X axis: 18°
Row spacing: 12 mm
Coordinates of the current hole are
shown at the bottom of the screen.
The graphic is influenced by operating parameter P 89
(see chapter II - 2).
3rd step: Drill
Start linear hole pattern function.
After drilling, retract in the tool axis.
Drill the remaining holes in the same manner.
Functions for drilling and graphic
Drill:
Traverse to display value zero in the tool axis.
The frame of the positioning aid is a dashed line for this axis.
Move to hole:
Traverse each coordinate of the working plane to display value zero.
The frame of the positioning aid is a solid line for these axes.
Function Soft Key
Go to next hole
Return to last hole
End drilling