IV-15
Setting runout detector (option)
W
hen using the optional runout detector, set the runout tolerance
before starting the cutting operation of the machine.
NOTICE
O Just after the start of the machine, the runout detector is turned off, and OFF
is shown in the ON/OFF field at the right of the DEVIATION button on the
CNC INPUT or MANUAL INPUT display. Press the RUNOUT DETECTOR
ON/OFF button to show ON on the DEVIATION display.
Breaking in new saw blade
Breaking in a new saw blade is basic to the correct use of the machine.
Each time when you use the new saw blade, be sure to break it in as
described below.
Unless properly broken in, the saw blade may become unable to cut
any more in the middle of its life, may run out early, or may prematurely
come to the end of its life.
1 Set the broken-in running speed to 20 to 30% lower than the
normal speed.
For CNC input, set the override rate (%) to adjust the broken-in
speed to 20 to 30 % lower than the normal speed.
2 Decrease the cutting rate to about 1/2 to 2/3 of the standard
cutting rate.
For CNC input, set the override rate (%) to decrease the cutting
rate to about 1/2 to 2/3 of the standard cutting rate.
Cut an appropriate workpiece with the new saw blade to an area
approximately equal to “standard cutting rate u 80 (min)” under the
following conditions.
Example: Cut a 200 mm high workpiece at a standard cutting rate of
60 cm
2
/min.
Broken-in cutting area = 60 cm
2
/min u 80 min = 4800 cm
2
Broken-in cutting length = 4800 u 100 y 200 = 2400 mm
Or cut a 7.874 in. high workpiece at a standard cutting rate of 9.3
in.
2
/min.
Broken-in cutting area = 9.3 in.
2
/min u 80 min = 744 in.
2
Broken-in cutting length = 744 in.
2
y 7.874 in. = 94.488 in.
When the broken-in cutting operation is completed, slowly return the
saw blade running speed and cutting rate to the normal, and cut more
work with the new saw blade.
If the saw blade vibrates during cutting before normal cutting conditions
are achieved, it is not properly broken in. In this case, lower the saw
blade running speed and cutting rate again, and gradually bring them
back to the normal cutting conditions while checking for vibration.
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