HEIDENHAIN NC 124 - Manual (Page 27)

3 Manual Operation and Setup
TNC 124 27
Moving the Machine Axes
Incremental jog positioning
Incremental jog positioning enables you to move a machine axis by
the increment you have preset each time you press the correspond-
ing direction key.
Current jog increment
If you enter a jog increment, the TNC stores the entered value and
displays it right of the highlighted input line for Infeed.
The programmed jog increment is effective until a new value is en-
tered by keyboard or soft key.
Maximum input value
0.001 mm £ jog increment £ 99.999 mm
Changing the feed rate F
You can increase or decrease the feed rate F by turning the knob for
feed rate override.
Example: Moving the machine axis in the X+ direction by incremental
jog positioning
Z
X
5 5
5 10
Operating mode: MANUAL OPERATION
Select the Jog Increm. function.
Enter the infeed (5 mm) — with the keyboard and confirm your entry with ENT.
or or
Enter the infeed (5 mm) — by soft key.
Move the machine axis by the entered infeed, for example in the
X+ direction.
ENT
5
X+
´
I n f e e d :
0 . 0 0 0
I n f e e d :
0 . 0 0 0
5 . 0 0 0
Fig. 3.4: TNC screen for incremental jog
positioning