
A-78656E/01 FANUC Series 16i/18i-TB Compound Machining Function
75/127
Nov.14.2001 Edition 1
NOTE
1. When a tool is selected from available tools, tools
are searched starting from the current tool towards
the last tool to find a tool whose life has not expired.
When the last tool is searched during this search, the
search restarts from the first tool. When it has been
determined that there are no tools whose life has not
expired, the last tool is selected. When the tool
currently being used is changed by tool skip signal,
the next new tool is selected using the method
described here.
2. When tool life counting indicates that the life of the
last tool in a group has expired, the tool change
signal is output. When tool life managed by time, the
signal is output when the life of the last tool in the
group has expired. When tool life is managed by
usage frequency (count), the signal is output when
the CNC unit is reset or the tool life count restart M
code is specified.
3. This function does not include whole specification of
tool life management of normal M system. The tool
change type is A type in both turning mode and
milling mode.
3.3.6
Displaying and Setting Tool Life Management Data
Tool life data can be displayed to inform the operator of the current
state of tool life management. Groups which require tool changes are
also displayed. The tool life counter for each group can be preset to
an arbitrary value. Tool data (execution data) can be reset or cleared.
To register or modify tool life management data, a program must be
created and executed.