HEIDENHAIN TNC 640 (34059x-04) User Manual

Page 470

Programming: Turning Operations

14.2 Basis Functions (Software Option 50)

470

TNC 640 | User's Manual

HEIDENHAIN Conversational Programming | 3/2014

In Turning mode, diameter values are displayed on

the X axis position display. The TNC then shows a

diameter symbol on the position display.
In Turning mode, the spindle potentiometer is

effective on the turning spindle (rotary table).
Switching mode is not possible if "Tilting the working

plane" or TCPM is active.
In Turning mode, no coordinate conversions are

permitted except for the datum shift cycle.
You can also use the smartSelect function for

Entering the operation mode:

Show the soft-key row with special functions

Select the menu for

TURNING PROGRAM

FUNCTIONS
Select

BASIC FUNCTIONS

Select

FUNCTION MODE

Select the function for Turning or Milling mode
Select the kinematic model that is to be activated

with switchover (machine-dependent function).

If you do not want to define a kinematic model,

confirm with the NO ENT key

NC syntax

11 FUNCTION MODE TURN "AC_TABLE" ; ACTIVATE TURNING MODE
12 FUNCTION MODE MILL "B_HEAD" ; ACTIVATE MILLING MODE