HEIDENHAIN iTNC 530 (340 422) ISO programming - Manual (Page 450)

450 11 Test Run and Program Run
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.1 Gr
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11.1 Graphics
Function
In the Program Run modes of operation as well as in the Test Run
mode, the TNC provides the following display modes. Using soft keys,
select whether you desire:
n Plan view
n Projection in 3 planes
n 3-D view
The TNC graphic depicts the workpiece as if it were being machined
with a cylindrical end mill. If a tool table is active, you can also simulate
the machining operation with a spherical cutter. For this purpose,
enter R2 = R in the tool table.
The TNC will not show a graphic if
n the current program has no valid blank form definition
n no program is selected
With Machine Parameters 7315 to 7317 you can have the TNC display
a graphic even if no tool axis is defined or moved.
Overview of display modes
The TNC displays the following soft keys in the Program Run and Test
Run modes of operation:
A graphic simulation is not possible for program sections
or programs in which rotary axis movements or a tilted
working plane are defined. In this case, the TNC will
display an error message.
The TNC graphic does not show a radius oversize DR that
has been programmed in the T block.
Display mode Soft key
Plan view
Projection in 3 planes
3-D view