HEIDENHAIN TNC 640 User Manual page 658

16
Entering tool data
The tool data correspond to the data from the turning-tool table.
Further information:
Please note for tool calls:
TOOL CALL block without tool axis
Cutting speed and spindle speed with TURNDATA SPIN
Switch the spindle on with M3 or M4
To set a spindle speed limitation you can use the NMAX value from
the tool table as well as SMAX value from FUNCTION TURNDATA
SPIN.
Activating and positioning the facing slide function
Before you can activate the facing slide function, you have to select
a kinematic model with facing slide by means of FUNCTION MODE
TURN. The machine tool builder provides this kinematic model.
Example
N50 FUNCTION MODE TURN "FACINGHEAD"*
Upon activation, the facing slide automatically moves to
the datum in the X and Y axes. Position the spindle axis
to clearance height beforehand or enter the clearance
height in the FACING HEAD POS block.
Activate the facing slide function as follows:
Press the SPEC FCT key
Press the TURNING PROGRAM FUNCTIONS soft
key
Press the FACING SLIDE soft key
Press the FACING HEAD POS soft key
Enter the clearance height, if required
Enter enter the feed rate, if required
Example
N70 FACING HEAD POS*
N70 FACING HEAD POS HEIGHT+100 F1000*
658
"Tool data", page 638
Turning | Turning program functions (option 50)
Switchover to turning mode with facing slide
Activating without clearance height
Activating with positioning to clearance height Z+100 at rapid
traverse 1000
HEIDENHAIN | TNC 640 | ISO Programming User's Manual | 10/2017