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4. Tool Status
The TOOL screen lists the status of each tool as follows. It is displayed when the machine
specification requires it. Typical specification is mentioned in parentheses, but it is not
always displayed.
USED ..................................... The tool is used.
MONITORED ......................... The tool is used with load monitoring enabled.
OUT OF LIFE ......................... The tool is out of life.
WORN OUT ........................... The tool is worn out. (Cutting monitoring)
SKIP ....................................... The tool is skipped by a skip signal.
TOOL NOSE MEAS. N.G. ....... The tool was found out no good in tool nose
measurement. (Macro measurement, etc.)
WORK MEAS. N.G. ................ The tool was found out no good in work measurement.
(Macro measurement, etc.)
OVERLOAD ERROR............. An overload error resulted. (Cutting monitoring)
NO-LOAD ERROR ................ A no-load error resulted. (Cutting monitoring)
EXTERNAL ERROR .............. An external error resulted. (Breakage detection, etc.)
18-2 Spare Tool Management
1. Feature
If the Txx command in the machining program is a spare tool command, the spare tool
management function will automatically select a defectless tool out of a preregistered spare
tool group. The tool is selected out of the spare tool group in order of used tool
(MONITORED included), unused tool of higher order registration, and last selected tool if all
the tools are out of life.
2. Functioning
Determine a group number for the tools of identical type which are specified as spare tools
in the program, using an arbitrary number larger than the numerical value in the parameter
no. 8078 (standard value: 1,000), and register it as a call number used to specify a spare
tool in the SPARETOOL screen.
Register the spare tools in the tool group in ORDER 1 onward.
After setting the call number and spare tool number, specify a spare tool in the program.
The spare tool management function automatically selects a defectless tool out of the spare
tool group.
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