P40 Plasma Cutting Machine
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P a g e
CAN RESULT IN SERIOUS BODILY INJURY.
(5)
After arc starts, hold the torch nozzle at vertical position and watch the arc as it cut along the
line. By lightly dragging the shield on the workpiece, you can maintain a steady cut. For
straight-line cutting, use any straight edge as a guide.
(6)
Evenly move the torch in the desired direction, at a speed which will ensure good cut quality.
Pulling the torch through the cut is easier than push it.
(7)
When cutting, make sure that the sparks are coming out of the bottom of the metal. If they are
spraying on top of the workpiece, you are moving the torch too fast, or you do not have
sufficient power to fully penetrate the workpiece.
(8)
When the cut is finished, release the torch switch to extinguish the arc.
(9)
After finish operation, turn off the gas valve. In the end, turn off welding power source
and wall switch.
6. Safety precaution
6.1.
Installation
(1)
Welding environmental temperature should be between -10
℃
to 40
℃
.
(2)
The air humidity of not more than 90%.
(3)
Avoid environment containing dust or corrosive gas.
(4)
Avoid sunlight or rain, do not let water into the welding machine.
(5)
Avoid the strong wind environment.
6.2.
Safety
Refer to the American National Standard Z49.1 entitled: SAFETY IN WELDING AND CUTTING.
ALL INSTALLATION, OPERATION, MAINTENANCE, AND REPAIR WORK MUST BE
PERFORMED BY QUALIFIED PERSONAL.
(1)
Welders must be equipped with welding mask, gloves and tie the sleeves and collar properly.
Use Table 6.4 to choose proper glass shade, also can reference to ANSI Z49.1 listed in Safety
Standards. There should be an arc shield around welding field to protect others from arc shock.
(2)
Do not weld near flammable, explosive materials or gases.
(3)
Keep finger, hair and clothing away from the rotating fan.
(4)
The power source must be grounded when welding.
(5)
When yellow protection light is enlightened during welding, it is indicating that the welder is
over current or over heat, and automatic protection will be triggered. Stop welding
immediately and wait until welder cool down.
(6)
Welding machine should not work in a flammable and toxic environment, avoid moisture, rain,
and do not directly expose to sun.
