HEIDENHAIN TNC 426 B, TNC 430 315
Working without additional traverse limits
To allow a machine axis to use its full range of traverse, enter the
maximum traverse of the TNC (+/- 99999 mm) as the AXIS LIMIT.
To find and enter the maximum traverse:
ú
Set the Position display mod function to REF.
ú
Move the spindle to the positive and negative end positions of
the X, Y and Z axes.
ú
Write down the values, including the algebraic sign.
ú
To select the MOD functions, press the MOD key.
ú
Enter the limits for axis traverse: Press the LIMIT
SWITCH soft key and enter the values that you wrote
down as limits in the corresponding axes
ú To exit the MOD function, press the END soft key
The tool radius is not automatically compensated in the
axis traverse limit value.
The traverse range limits and software limit switches
become active as soon as the reference points are
traversed.
Datum display
The values shown at the lower left of the screen are the manually
set datums referenced to the machine datum. They cannot be
changed in the menu.
12.14 Displaying HELP files
Help files can aid you in situations in which you need clear
instructions before you can continue (for example, to retract the
tool after an interruption of power). The miscellaneous functions
may also be explained in a help file. The figure at right shows the
screen display of a help file.
HELP files are not provided on every machine. Refer to
your machine tool builder for more information.
Selecting HELP files
ú Select the MOD function: Press the MOD key
ú
To select the last active HELP file, press the HELP soft
key.
ú Call the file manager (PGM MGT key) and select a
different help file, if necessary.
12.14 Displaying HELP files
Okap12.pm6 30.06.2006, 07:04315
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