HEIDENHAIN NC 124 - Manual (Page 36)

3 Manual Operation and Setup
36 TNC 124
Example: Probe the circumference of a hole
and set the center of the hole as a datum
Main plane: X / Y plane
Tool axis: Z
X coordinate of the
circle center: X = 50 mm
Y coordinate of
circle center: Y = 0 mm
Y
X
0
1
2
3 4
X?
Functions for Datum Setting
Operating mode: MANUAL OPERATION/ELECTRONIC
HANDWHEEL/JOG INCREMENT
Go to the second soft-key row.
Select Circle Center.
Select plane containing the circle (main plane): Plane X/Y.
P r o b e 1 s t p o i n t i n X / Y
/
Move tool towards first point 1 on the circumference until it makes contact.
Store position of the bore hole wall.
Retract tool from bore hole wall.
Probe three additional points on the circumference in the same manner.
Further information appears on the screen. Store positions with Note.
0 5
ENT
Enter first coordinate (X = 50 mm)
and
transfer coordinate as datum for the circle center.
ENT
Accept default entry Y = 0 mm.
E n t e r c e n t e r p o i n t X
X = 0
E n t e r c e n t e r p o i n t Y
Y = 0