HEIDENHAIN TNC 426, User Manual

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HEIDENHAIN TNC 426, TNC 430 403
1
1
.1 Gr
aphics
Shift the soft-key row in the Test Run mode of operation until the
following soft keys appear:
To change the detail magnification:
The soft keys are listed in the table above.
U
Interrupt the graphic simulation, if necessary.
U Select the workpiece surface with the corresponding soft key (see
table).
U
To reduce or magnify the blank form, press and hold the MINUS or
PLUS soft key, respectively.
U Restart the test run or program run by pressing the START soft key
(RESET + START returns the workpiece blank to its original state).
Cursor position during detail magnification
During detail magnification, the TNC displays the coordinates of the
axis that is currently being isolated. The coordinates describe the area
determined for magnification. To the left of the slash is the smallest
coordinate of the detail (MIN point), to the left is the largest (MAX
point).
If a graphic display is magnified, this is indicated with MAGN at the lower
right of the graphics window.
If the workpiece blank cannot be further enlarged or reduced, the TNC
displays an error message in the graphics window. To clear the error
message, reduce or enlarge the workpiece blank.
Function Soft keys
Select the left/right workpiece surface
Select the front/back workpiece surface
Select the top/bottom workpiece surface
Shift the sectional plane to reduce or
magnify the blank form
Select the isolated detail