HEIDENHAIN TNC 426B (280 472) ISO programming - Manual (Page 104)

88 5 Programming: Tools
Calling tool data
A tool call in the machining program is triggered with the function T.
Example:
1 Press T on the alphabetic keyboard.
Enter the tool number or the tool name: The
tool must already be defined in a G99 block or in
the tool table. To call a tool by the tool name,
enter the name in quotation marks. The tool
name always refers to the entry in the active
tool table TOOL .T (not TNC 410).
In addition, for the TNC 426, TNC 430 with NC
software 280 474-xx:
If you wish to call a tool with other
compensation values, enter also the index you
defined in the tool table after the decimal point.
<
Only TNC 426, TNC 430 with NC software 280 474-xx and TNC
410:
Tool length oversize?
<
0.5 Delta value for the tool length
<
Tool radius oversize?
<
0.5 Delta value for tool radius
<
17 Select spindle axis: e.g. Z-axis
<
2500 Select rotational speed and end the block with
the END
key
5.2 T
ool D
ata
The program blocks window will display the
following line:
N20 T5 G17 S2500 *
or
N20 T5.2 DL+0.5 DR+0.5 G17 S2500 *
Tool preselection with tool tables
When you use tool tables, enter a G51 block to
preselect the next tool to be selected. Simply enter
the tool number or a corresponding Q parameter, or
type the tool name in quotation marks (not TNC
410).
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