FANUC Series 16/18/160/180-Model C Machining Center Operators Manual

PROGRAMMING
B–62764EN/01
11. TOOL FUNCTION
(T FUNCTION)
141
Tools are classified into various groups, with the tool life (time or
frequency of use) for each group being specified. The function of
accumulating the tool life of each group in use and selecting and using
the next tool previously sequenced in the same group, is called the tool
life management function.
Tool group number m
Tool life
Tool
number
Code specifying
tool compensa-
tion value
1
n
The first tool life
management data
The nth tool life
management data
Fig.11.2(a) Tool life management data (number of n tools)
By choosing a tool from a tool group specified by a machining program,
the tool life can be managed.
Tool life management data
Tool group number 1
Command for selecting
tool group m
Tool change command
(M06)
Machining program
Machine
CNC
Tool
selection
Machine and CNC operations
Tool group number m
Tool group number p
Places a se-
lected tool in
the wait state
Attaches the
tool in the wait
state to
the spindle
(tool change).
Automatically selects, from
tool group m, a tool whose
life has not expired.
Starts counting the life of
the tool attached to the
spindle.l
Fig. 11.2(b) Tool Selection by Machining Program
For two–path control, tool life management is applied independently for
each path. Tool life management data is also set for each path.
11.2
TOOL LIFE
MANAGEMENT
FUNCTION

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