HEIDENHAIN NC 124 User Manual

Page 27

Manual Operation and Setup

TNC 124

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

Operating mode: MANUAL OPERATION

Select the Jog Increm. function.

Enter the infeed (5 mm) with the keyboard and confirm your entry with ENT.

Enter the infeed (5 mm) by soft key.

Move the machine axis by the entered infeed, for example in the

X+ direction.

ENT

X+

I n f e e d :
0 . 0 0 0

5 . 0 0 0

Fig. 3.4:

TNC screen for incremental jog

positioning