HEIDENHAIN TNC 640 User Manual page 16

Modified functions 34059x-04
The column NAME has been added to the turning tool table,
see "Tool data", page 638
Up to 4 M functions are now allowed in an NC block, see
"Fundamentals", page 458
New soft keys for transferring values have been introduced in
the pocket calculator, see "Operation", page 210
The distance-to-go display can now also be displayed in the
input system, see "Select the position display", page 802
Several input parameters have been added to
Cycle 241 SINGLE-LIP DEEP HOLE DRILLING,
see Cycle Programming User's Manual
Parameter Q305 NUMBER IN TABLE has been added to Cycle
404, see Cycle Programming User's Manual
In the thread milling cycles 26x an approaching feed rate has
been introduced, see Cycle Programming User's Manual
In Cycle 205 Universal Pecking you can now use
parameter Q208 to define a feed rate for retraction,
see Cycle Programming User's Manual
16
Fundamentals | Control model, software and features
HEIDENHAIN | TNC 640 | ISO Programming User's Manual | 10/2017