HEIDENHAIN TNC 320 User Manual page 205

Overtime for tool life
Refer to your machine manual.
This feature must be enabled and adapted by the
machine tool builder.
The tool condition at the end of planned tool life depends on e.g.
the tool type, machining method and workpiece material. In the
OVRTIME column of the tool table, enter the time in minutes for
which the tool is permitted to be used beyond the tool life.
The machine manufacturer specifies whether this column is
enabled and how it is used during tool search.
Tool usage test
Requirements
The tool usage test function must be enabled by your
machine manufacturer.
Refer to your machine manual.
To conduct a tool usage test, you must activate Create tool usage
files in the MOD menu.
Further Information: "Tool usage file", page 584
Generate a tool usage file
Depending on the setting in the MOD menu, you have the
following options for generating the tool usage file:
Completely simulate the NC program in the Test run operating
mode
Completely run the NC program in the Program Run, Full
Sequence/Single Block operating modes
In the Test run operating mode press the GENERATE TOOL
USAGE FILE soft key (also possible without simulation)
The tool usage file generated is in the same directory as the NC
program. It contains the following information:
HEIDENHAIN | TNC 320 | Conversational Programming User's Manual | 9/2016
Tool data 5.2
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