Graphics; Application - HEIDENHAIN TNC 640 User Manual

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19.1 Graphics

In the Program run, single block and Program run, full sequence

operating modes, as well as in the Test Run Operating Mode, the

control graphically simulates a machining operation.

The control features the following views:

Projection in three planes

In the Test Run operating mode, you can additionally

use the 3-D line graphics.

The graphic depicts the workpiece as if it were being machined

with a cylindrical end mill.

For active tool tables, the control also takes the entries in the

columns LCUTS, T-ANLGE, and R2 into consideration.

With the model type 3-D graphic setting and in turning mode

you also see the indexable inserts of the turning tools from

toolturn.trn.

The control will not show a graphic if

the current program has no valid workpiece blank definition

no program is selected

with blank form definition with a subprogram, the BLK FORM

block was not yet run

The simulation of programs with 5-axis machining or

tilted machining might run at reduced speed. With the

MOD menu Graphic settings you and decrease the

Model quality and in that way increase the speed of

If you are using a TNC 640 with touch control, you can

replace some keystrokes with hand-to-screen contact.

Further information:

"Operating the Touchscreen",

Test Run and Program Run | Graphics

HEIDENHAIN | TNC 640 | ISO Programming User's Manual | 10/2017