HEIDENHAIN NC 124 - Manual (Page 44)

4 Positioning with MDI
44 TNC 124
A
C
B
Y
X
30
20
0
0
NC
NC
0
N o m i n a l p o s i t i o n v a l u e ?
2
Operating mode: POSITIONING WITH MDI
0
N o m i n a l p o s i t i o n v a l u e ?
3
Example: PECKING
X coordinate of the hole: 30 mm
Y coordinate of the hole: 20 mm
Clearance height: + 50 mm
Setup clearance A : 2 mm
Workpiece surface: + 0 mm
Hole depth B : – 15 mm
Pecking depth C : 5 mm
Dwell time: 0.5 s
Pecking feed rate: 80 mm/min
Hole diameter: e.g. 6 mm
Preparation
➤ Pre-position the tool over the workpiece.
Pre-position the tool in the Y axis.
Pre-position the tool in the X axis.
Select the Y axis.
Select the X axis.
Enter the nominal position value for pre-positioning in the X axis:
X = + 30 mm
and
select tool radius compensation R 0.
Enter the nominal position value for pre-positioning in the Y axis: Y = + 20 mm.
Tool radius compensation is already set to R 0.