Fanuc Series 15i/150i-MA (Programming) Operators Manual

B-63324EN/03 PROGRAMMING 5.FEED FUNCTIONS
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5.4 OVERRIDE
The rapid traverse rate and cutting feedrate can be overridden from the
machine operator’s panel.
5.4.1 Feedrate Override
A programmed feedrate can be reduced or increased by a percentage
(%) selected by the override dial. This feature is used to check a
program.
For example, when a feedrate of 100 mm/min is specified in the
program, setting the override dial to 50% moves the tool at 50 mm/min.
Fig. 5.4.1 (a) Feedrate override
Set the feedrate override dial to the desired percentage (%) on the
machine operator’s panel, before or during automatic operation.
On some machines, the same dial is used for the feedrate override dial
and jog feedrate dial. Refer to the appropriate manual provided by the
machine tool builder for feedrate override.
Restrictions
-Override Range
The override that can be specified ranges from 0 to 254%. (When the
second feedrate override is used, an additional override of 0% to 254%
(0% to 655.34% when the second feedrate override B is used) is
applied.
For individual machines, the range depends on the specifications of the
machine tool builder.
Tool
Check the machining by altering the
feedrate from the value specified in
the program.
Feedrate 100 mm/min
(Specified by programmed)
Feedrate 50 mm/min after
feedrate override
Workpiece
0 200
JOG @FEED RATE OVERRIDE

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