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5-6-7. How to adjust the electric current ac-
cording to the material thickness
The electric current is increased by turning the
laser current adjustment knob, located on the left
side of the laser tube, clockwise. The electric cur-
rent is decreased by turning the aforementioned
knob counterclockwise. The pointer of the current
indication meter located on the right side of the
knob vibrates to the right and left according to the
increase / decrease of the electric current. In the
case of normal cutting operation, the electric cur-
rent is 100 mA ± 1 mA, while the maximum current
value is 20 mA.
5-7. Adjusting the air volume of the fan
The air volume of the fan can be adjusted by
regulating the input voltage of the fan. Turn the
thyristor type knob to regulate the input voltage of
the fan. The air volume of the fan is increased by
increasing the input voltage, or decreased by de-
creasing the input voltage. Adjust the air volume of
the fan until the material is not sucked by the fan.
– 19 –
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