HEIDENHAIN TNC 640 User Manual page 729

Manual Operation and Setup | Moving the machine axes
Incremental jog positioning
With incremental jog positioning the control moves the currently
active handwheel axis by a preset increment 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.
The smallest possible increment is 0.0001 mm (0.00001 inches).
The largest possible increment is 10 mm (0.3937 inches).
Confirm the selected jog increment with soft key 4 (OK)
With the + or - handwheel key, move the active handwheel axis
in the corresponding direction
If you press and hold the F1 or F2 key, each time it
reaches a decimal value 0 the control increases the
counting increment by a factor of 10.
By also pressing the CTRL key, you can increase the
counting increment by a factor of 100 when pressing F1
or F2.
Inputting miscellaneous functions M
Press the F3 (MSF) handwheel soft key
Press the F1 (M) handwheel soft key
Select the desired M function number by pressing the F1 or F2
key
Execute the M miscellaneous function with the NC Start key
Entering the spindle speed S
Press the F3 (MSF) handwheel soft key
Press the F2 (S) handwheel soft key
Select the desired speed by pressing the F1 or F2 key
Activate the new speed S with the NC Start key
If you press and hold the F1 or F2 key, each time it
reaches a decimal value 0 the control increases the
counting increment by a factor of 10.
By also pressing the CTRL key, you can increase the
counting increment by a factor of 100 when pressing F1
or F2.
HEIDENHAIN | TNC 640 | Conversational Programming User's Manual | 10/2017
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