HEIDENHAIN NC 124 - Manual (Page 56)

4 Positioning with MDI
56 TNC 124
The TNC can mirror the coordinate axes for linear hole
pattern graphics if the corresponding user parameter is set
(see Chapter 13).
The TNC 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.
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
3rd step: Drill
Before you start drilling verify the data entered in the drilling cycle!
NC
NC
NC
NC
Functions for drilling and graphic
Function Soft key
Go to next hole
Return to last hole
End graphic/drilling
Drill the next and all remaining holes.
Pre-position in the second coordinate axis.
Start the linear hole pattern function.
Pre-position in the first coordinate axis.
Drill. The TNC drills the bolt hole as defined by the input data for Pecking
(or Tapping).