BorMann BIW4005 Owner's Manual page 2

Important Note: Before operating this equipment read the manual fully.
WARNING!
This equipment uses high voltage electrical current and produces extremely high temperatures. Misuse of this machine could
result in fire, destruction of property, severe injury, or even death. Only qualified individuals should install, operate, or
service this machine. All national, state, and local laws and restrictions must be followed.
Please not products are subject to continual development and may be subject to change without notice.
Brief introduction of air plasma cutter
At first thank you for choosing and using our cutter!
Cut series air plasma cutter are produced by advanced inverter technology.
The principle is to invert 50Hz power frequency into high frequency (HF can reach over l00KHz) by utilizing high power IGBT
technology. Then rectify and decompress output high power DC source through pulse width modulation technique (PWM).
Efficiency has been improved by 30%. Arc starting system uses principle of HF oscillation, which to make it easy to start arc.
Product performance characteristics
• Digital display
• Modem high tech design.
• Great reduction in magnetic and resistance loss enhances the cutting efficiency and energy saving effect.
• Working frequency is beyond the audio range
• Industry leading control system
• Streamline design of front and rear panels.
• Excellent insulating property.
• Cutting speed is fast, noiseless, scarfing is bright and clean.
Safety Cautions!
On the process of welding, there will be any possibility of injury, so please take protection into consideration during
operation. More detail please review the Operator Safety Guide, which complies with the preventive requirements
of the manufacturer.
Electric shock-- may lead to death!
• Set the earth fitting according to applying standard.
• Plasma cutting may cause burning. Don't put any naked part of your body such as finger near to the operation.
• It is forbidden to touch the electric parts when the skin is naked, wearing wet gloves or clothes.
• Make sure you are insulated from the ground and the workshop.
• Make sure you are in safe position.
Gas -- may be harmful health!
• Keep your head out of the gas.
• When arc welding, air extractor should be used to prevent from breathing gas.
Arc radiation -- Harmful to your eye and burn your skin!
• Use suitable helmet and light filter, wear protective garment to protect eye and body.
• Use suitable helmet or curtain to protect looker-on.
Fire
Do not cutting near flammable material or where the atmosphere may contain flammable dust, gas, or liquid vapours
Noise -- extreme noise harmful to ear!
• Use ear protector or others means to protect ear.
• Warn that noise harmful to hearing if looker on around
Do not cut on containers that have held combustibles, or on closed containers such as tanks, drums, or pipes. Don't
put the machine placed 35 degrees in slope.
Please tum off the machine and remove the power plug after work finished.
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