
OPERATION5. TEST OPERATION
B–63684EN/01
440
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.
Tool
Check the machining
by altering the feedrate
from the value speci-
fied in the program.
Feedrate 100 mm/min
(Specified by programmed)
Feedrate 50 mm/min after
feedrate override
Workpiece
Fig.5.2 Feedrate override
Procedure for 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.
The override that can be specified ranges from 0 to 254%. For individual
machines, the range depends on the specifications of the machine tool
builder.
5.2
FEEDRATE
OVERRIDE
Procedure
0 200
J
OG FEED RATE OVERRIDE
Restrictions
D Override Range