HEIDENHAIN TNC 128 (77184x-02) - Manual (Page 161)

Tool data 5.2
5
TNC 128 | User's Manual HEIDENHAIN Conversational Programming | 5/2014
161
Tool change
Automatic tool change
The tool change function can vary depending on
the individual machine tool. Refer to your machine
manual. Refer to your machine manual.
If your machine tool has automatic tool changing capability,
the program run is not interrupted. When the TNC reaches a
TOOL CALL it replaces the inserted tool by another from the tool
magazine.
Tool usage test
The tool usage test function must be enabled by
your machine manufacturer. Refer to your machine
manual. Refer to your machine manual.
In order to be able to conduct a tool usage test, tool usage files
have to be generated.
The conversational program has to be completely simulated in the
Test Run operating mode or executed in the Program Run, Full
Sequence or Single Block operating mode.
Applying the tool usage test
Before starting a program in the Program Run mode of operation,
you can use the
TOOL USAGE and TOOL USAGE TEST soft keys to
check whether the tools being used in the selected program are
available and have sufficient remaining service life. The TNC then
compares the actual service-life values in the tool table with the
nominal values from the tool usage file.
After you have pressed the
TOOL USAGE TEST soft key, the TNC
displays the result of the tool usage test in a pop-up window. To
close the pop-up window, press the ENT key.
The TNC saves the tool usage times in a separate file with the
extension
pgmname.H.T.DEP. This file is not visible unless the
machine parameter
CfgPgmMgt/dependentFiles is set to MANUAL.
The generated tool usage file contains the following information: