Würth POWERCUT 70 Manual de usuario

PLASMA CUTTING MACHINE

APARAT ZA PLAZMA REZANJE

POWERCUT 70

Art. 5952 899070

Operating instructions

Uputstvo za upotrebu

PLASMA CUTTING MACHINE

POWERCUT 70

General safety rules

WARNING: Read and understand all instructions. Failure to follow all instructions

listed below may result in serious injury.

CAUTION: Do not allow persons to operate or assemble this POWERCUT 70

until they have read this manual and have developed a thorough understanding of how

the POWERCUT 70 works.

WARNING: The warnings, cautions, and instructions discussed in this instruction

manual cannot cover all possible conditions or situations that could occur. It must be

understood by the operator that common sense and caution are factors which cannot

be built into this product, but must be supplied by the operator.

SAVE THESE INSTRUCTIONS

IMPORTANT SAFETY CONSIDERATIONS

1.1 Your Welding Environment

-Keep the environment you will be welding in free from flammable materials.

-Always keep a fire extinguisher accessible to your welding environment.

-Always have a qualified person install and operate this equipment.

-Make sure the area is clean, dry and ventilated. Do not operate the welder in humid,

wet or poorly ventilated areas.

-Always have your welder maintained by a qualified technician in accordance with local,

state and national codes.

-Always be aware of your work environment. Be sure to keep other people, especially

children, away from you while welding.

-Keep harmful arc rays shielded from the view of others.

-Mount the welder on a secure bench or cart that will keep the welder secure and

prevent it from tipping over or falling.

1.2 Your Welder’s Condition

-Check ground cable, power cord and welding cable to be sure the insulation is not

damaged. Always replace or repair damaged components before using the welder.

-Check all components to ensure they are clean and in good operating condition before

use.

1.3 Use of Your Welder

CAUTION

Do not operate the welder if the output cable, electrode, torch, wire or wire feed system

is wet. Do not immerse them in water. These components and the welder must be

completely dry before attempting to use them.

-Follow the instructions in this manual.

-Keep welder in the off position when not in use.

-Connect ground lead as close to the area being welded as possible to ensure a good

ground.

-Do not weld if you are in an awkward position. Always have a secure stance while

welding to prevent accidents. Wear a safety harness if working above ground.

-Do not drape cables over or around your body.

-Wear a full coverage helmet with appropriate shade (see ANSI Z87.1 safety standard)

and safety glasses while welding.

-Wear proper gloves and protective clothing to prevent your skin from being exposed to

hot metals, UV and IR rays.

-Do not overuse or overheat your welder. Allow proper cooling time between duty

cycles.

-Keep hands and fingers away from moving parts and stay away from the drive rolls.

-Do not point torch at any body part of yourself or anyone else.

-Always use this welder in the rated duty cycle to prevent excessive heat and failure.

1.4 Specific Areas of Danger, Caution or Warning

Electrical Shock

WARNING

Electric arc welders can produce a shock that can cause injury or death.

Touching electrically live parts can cause fatal shocks and severe burns.

While welding, all metal components connected to the wire are electrically hot.

Poor ground connections are a hazard, so secure the ground lead before welding.

-Wear dry protective apparel: coat, shirt, gloves and insulated footwear.

-Insulate yourself from the work piece. Avoid contacting the work piece or ground.

-Do not attempt to repair or maintain the welder while the power is on.

-Inspect all cables and cords for any exposed wire and replace immediately if found.

-Use only recommended replacement cables and cords.

-Always attach ground clamp to the work piece or work table as close to the weld area

as possible.

-Do not touch the welding wire and the ground or grounded work piece at the same

time.

-Do not use a welder to thaw frozen pipes.

Fumes and Gases

WARNING

-Fumes emitted from the welding process displace clean air and can result in injury or

death.

-Do not breathe in fumes emitted by the welding process. Make sure your breathing air is

clean and safe.

-Work only in a well-ventilated area or use a ventilation device to remove welding

fumes from the environment where you will be working.

-Do not weld on coated materials (galvanized, cadmium plated or containing zinc,

mercury or barium). They will emit harmful fumes that are dangerous to breathe. If

necessary use a ventilator, respirator with air supply or remove the coating from the

material in the weld area.

-The fumes emitted from some metals when heated are extremely toxic. Refer to the

material safety data sheet for the manufacturer’s instructions.

-Do not weld near materials that will emit toxic fumes when heated. Vapors from

cleaners, sprays and degreasers can be highly toxic when heated.

UV and IR Arc Rays

DANGER .

The welding arc produces ultraviolet (UV) and infrared (IR) rays that can

cause injury to your eyes and skin. Do not look at the welding/cutting arc without

proper eye protection.

-Always use a helmet that covers your full face from the neck to top of head and to the

back of each ear.

-Use a lens that meets ANSI standards and safety glasses. For welders under 160

Amps output, use a shade 10 lens; for above 160 Amps, use a shade 12. Refer to the

ANSI standard Z87.1 for more information.

-Cover all bare skin areas exposed to the arc with protective clothing and shoes.

Flame-retardant cloth or leather shirts, coats, pants or coveralls are available for

protection.

-Use screens or other barriers to protect other people from the arc rays emitted from

your welding.

-Warn people in your welding area when you are going to strike an arc so they can

protect themselves.

Fire Hazards

WARNING

Do not weld on containers or pipes that contain or have had flammable,

gaseous or liquid combustibles in them. Welding creates sparks and heat that can

ignite flammable and explosive materials.

-Do not operate any electric arc welder in areas where flammable or explosive

materials are present.

-Remove all flammable materials within 10 m of the welding arc. If removal is not

possible, tightly cover them with fireproof covers.

-Take precautions to ensure that flying sparks do not cause fires or explosions in

hidden areas, cracks or areas you cannot see.

-Keep a fire extinguisher close in the case of fire.

-Wear garments that are oil-free with no pockets or cuffs that will collect sparks.

-Do not have on your person any items that are combustible, such as lighters or

matches.

-Keep work lead connected as close to the weld area as possible to prevent any

unknown, unintended paths of electrical current from causing electrical shock and fire

hazards.

-To prevent any unintended arcs, cut wire back to 6 mm stick out after welding.

Hot Materials

CAUTION

Welded materials are hot and can cause severe burns if handled improperly.

-Do not touch CUTTING materials with bare hands.

-Do not touch torch nozzle after welding until it has had time to cool down.

Sparks/Flying Debris

CAUTION

Welding creates hot sparks that can cause injury. Chipping slag off welds

creates flying debris.

-Wear protective apparel at all times: ANSI-approved safety glasses or shield, welder’s

hat and ear plugs to keep sparks out of ears and hair.

Electromagnetic Field

CAUTION

-Electromagnetic fields can interfere with various electrical and electronic

devices such as pacemakers.

-Consult your doctor before using any electric arc welder or cutting device

-Keep people with pacemakers away from your welding area when welding.

-Do not wrap cable around your body while welding.

-Wrap Cutting torch and ground cable together whenever possible.

-Keep Cutting torch and ground cables on the same side of your body.

Shielding Gas Cylinders Can Explode

WARNING

-High pressure cylinders can explode if damaged, so treat them carefully.

-Never expose cylinders to high heat, sparks, open flames, mechanical shocks or arcs.

-Do not touch cylinder with Cutting torch.

-Always secure cylinder upright to a cart or stationary object.

-Keep cylinders away from welding or electrical circuits.

-Use the proper regulators, gas hose and fittings for the specific application.

-Do not look into the valve when opening it.

-Use protective cylinder cap whenever possible.

1.5 Proper Care, Maintenance and Repair

DANGER .

-Always have power disconnected when working on internal components.

-Do not touch or handle PC board without being properly grounded with a wrist strap.

Put PC board in static proof bag to move or ship.

-Do not put hands or fingers near moving parts such as drive rolls of fan.

POWERCUT 70 use and care

- Do not modify the POWERCUT 70 in any way. Unauthorized modification may impair

the function and/or safety and could affect the life of the equipment. There are

specific applications for which the POWERCUT 70 was designed.

- Always check of damaged or worn out parts before using the POWERCUT 70.

Broken parts will affect the POWERCUT 70 operation. Replace or repair damaged or

worn parts immediately.

- Store idle POWERCUT 70. When POWERCUT 70 is notin use, store it in a secure

place out of the reach of children. Inspect it for good working condition prior to

storage and before re-use.

Product Introduction

POWERCUT series is metal cutter equipment with high efficiency. Its working principle

is to use the compressed air as the ionization medium, and then form the high density

plasma arc heat source by the torch nozzle’s compress effect, which melt the metal as

a result. The melted metal will be blown off by the high speed gas flow at the same time

to form into narrow cutting slot, thus the metal can be melted and cut very rapidly.

This series cutting equipment possesses good features like easy operation, energy

saving, high speed cutting, narrow cutting slot, less deformation of work pieces, reliable

and safe apply, low investment etc. It is suitable for almost all metal plate and pipe

materials, including mild steel, stainless steel, aluminum, copper, titanium, nickel alloy,

cast iron etc. It is widely used in ship building, motor manufacturing, metal structure,

boiler, pressure vessel and pipe making, medical appliance and machinery making etc.

The feature of POWERCUT series:

- Small and light ,the weight of POWERCUT 70 is only 18 kg.

- Advanced IGBT inverter technology attributes to stable capability ,high efficiency and

energy saving

- Work can be reliable at ±15% of fluctuation for input voltage.

- Visible gas adjustment and easy operation, specially suitable for decoration。

- Cutting thickness capacity of machine will reach 22 mm.

- Cutting slot both narrow and glabrous;no damage to the work pieces.

- Complete protective function. include the protections of overheat.

Safety Operation

Operator’s Self Protection

●Please always follow the rules that conform to safety and hygiene. Wear protective

garments to avoid injuries to eyes and skins

●Do not touch to the working piece while operation in case of the electric leaking

accident occurred

●Do not touch to the two output polarity (The polarity of the torch and the polarity of the

work piece.) at the same time without any insulation protection.

●Do not cut the vessel with inflammable and explosive materials or the sealed

pressure vessel.

●Avoid operation under water or high humidity places.

●Shut off the power supply before changing the connect tip or electrode.

●Do not aim the torch at any part of the body.

●Do not aim the contact part of the torch after the cutter is on.

Attention

●POWERCUT 70 series cutter is electronic products whose spare parts are very

tender, do not change or adjust with a rush otherwise the connections will be

damaged.

●Check the connection to see if it is well connected, whether the earth (ground)

connection is reliable, etc.

●Fumes and gases produced when cutting are hazardous to health. Make sure to work

in places where there are exhaust or ventilation facilities to keep fumes or emissions

away from the breathing zone.

●Insulate the working area since spatter will be occurred.

●No access to switching or modulating by others while the cutter is working

●Cutters have strong electromagnetism and frequency interference, so keep away

people with heart pace or the articles which can be interfered by electromagnetism

and frequency.

●No squeeze or punch to the cutting cable.

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