HEIDENHAIN TNC 620 User Manual page 415

Incremental jog positioning
With incremental jog positioning the TNC moves the currently
active handwheel axis by a preset distance defined by you:
Press the handwheel soft key F2 (STEP)
Activate incremental jog positioning: Press handwheel soft key
3 (ON)
Select the desired jog increment by pressing the F1 or F2 key.
If you press and hold the respective key, each time it reaches a
decimal value 0 the TNC increases the counting increment by a
factor of 10. If in addition you press the CTRL key, the counting
increment increases to 1. The smallest possible jog increment is
0.0001 mm. The largest possible is 10 mm
Confirm the selected jog increment with soft key 4 (OK)
With the + or – handwheel key, move the active handwheel axis
in the corresponding direction
Entering miscellaneous functions M
Press the handwheel soft key F3 (MSF)
Press the handwheel soft key F1 (M)
Select the desired M function number by pressing the F1 or F2
key
Execute the M function with the NC start key
Entering the spindle speed S
Press the handwheel soft key F3 (MSF)
Press the handwheel soft key F2 (S)
Select the desired speed by pressing the F1 or F2 key. If you
press and hold the respective key, each time it reaches a
decimal value 0 the TNC increases the counting increment by a
factor of 10. If in addition you press the CTRL key, the counting
increment increases to 1000
Activate the new speed S with the NC start key
TNC 620 | User's Manual
HEIDENHAIN Conversational Programming | 5/2013
Moving the machine axes 13.2
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