ALIEN WELD XT200 Manuel utilisateur

MODEL: xt200

TIG HIGH FREQUENCY / MMA

OPERATORS’ MANUAL

IMPORTANT: Welcome to use the Alienweld XT200 welding machine. Read This Owner'sManual carefully before

attempting to use this equipment. Used correctly, can prolong the service life of the arc welding machine!

 
CONTENT 
SAFETY ....................................................................................................................................................................................... 1 
1 SIGNAL EXPLANATION...................................................................................................................................................................... 1 
2 ARC WELDING DAMAGE............................................................................................................................................................... 1 
3 INSTALLATION, OPERATION AND MAINTANCE NOTICES.............................................................................................. 4 
4 THE KNOWLEDGE OF ELECTRIC AND MAGNETIC FIELDS ...................................................................................................... 5 
ARC WELDING MACHINE INTRODUCTION..........................................................................................................................6 
1 DEVICE BRIEF INTRODUCTION........................................................................................................................................................6 
2 WORKING PRINCIPLE.......................................................................................................................................................................7 
3 VOLT-AMPERE CHARACTERISTIC................................................................................................................................................7 
INSTALLATION AND ADJUSTMENT..................................................................................................................................... 8 
1 PARAMETERS .................................................................................................................................................................................... 8 
2 DUTY CYCLE & OVER HEAT............................................................................................................................................................10 
3 EQUIPMENT CONNECTION（TIG/MMA）.................................................................................................................................11 
OPERATION INTRODUCTION................................................................................................................................................13 
1 LAYOUT FOR THE FRONT PANEL..............................................................................................¡Error! Marcador no definido. 
2 WELDING PARAMETERS...............................................................................................................................................................15 
3 OPERATION ENVIRONMENT...........................................................................................................................................................................................17
4 WELDING NOTICES.........................................................................................................................................................................18 
ELECTRICAL PRINCIPLE DRAWING.......................................................................19 
EXPLOSIVE VIEW.....................................................................................................20 
 
 
 
 
 

1. SAFETY

1.1 Signal Explanation

The above signals mean warning! Notice! Running parts and getting an electric shock or thermal parts will take

damage for your body or others. The corresponding notices are as follows. It is quite a safe operation after taking

several necessary protection measures.

1.2 Arc Welding Damage

⚫The following signals and word explanations are to some damages for your body or others happening on the

welding operation. While seeing these, please remind of yourself or others to be dangerous.

⚫Only ones who are trained professionally can install, debug, operate, maintain and repair the equipment.

⚫During the operation, non-concerned people should be lift, especially for children.

⚫After shutting off the machine power, please maintain and examine the equipment according to because of the DC

voltage existing in the electrolytic capacitors.

ELECTRIC SHOCK CAN KILL!

⚫Never touch electrical parts.

⚫Wear dry, hole-free glovesand clothesto insulate you.

⚫Insulate yourself from workpiece and ground using dry insulation. Make certain the insulation is large enough to

cover your full area of physical contact with workpiece and ground.

⚫Take carefully when using the equipment in small place, falling-off and wet circumstance.

⚫Never shut off the machine power before installation and adjustment.

⚫Ensure to install the equipment correctly and ground the work or metal to be welded to a good electrical (earth)

ground according to the operation manual.

⚫Always confirm that whether the earth wire of equipment case is access to the power control box through the

earth wire of power cable before shutting off the power switch.

⚫Check whether the input cable is damaged or exposed, replace the damaged cable immediately.

⚫Shut off the power when you’re not using the equipment.

⚫Don't use the dilapidated, damaged, small sized and bad contact cables.

⚫Don't twine the cableson your body.

⚫If you touch one electrode of the workpiece、ground or equipment, please don’t touch the another electrode.

⚫Keep the equipment in good condition, timely maintain or replace the damaged parts, make regular

maintenance according to the instructions.

⚫If the equipment operates deviate from the ground, please take safety measures.

⚫When the clamp is not used in connection with welding workpiece, proceeding insulation, in order to avoid

contacting with the metal objects.

⚫Don’t connect two or more electrodes or output cables froma single output end of the welding machine.

WELDING SPARKS CAN CAUSE FIRE OR EXPLOSION!

⚫Protect yourself and others, avoid from the sparksand hot metal damage.

⚫Don't welding in the area of combustible materials; the splash spark may cause burning.

⚫Remove the combustible materials within 10 m around the welding arc. If not, use the approved mulch covers

them closely.

⚫Beware of welding sparks and fever material caused by welding, they are easy to fly to neighboring areas

through small sew narrow opening.

⚫Alert to fire, put a fire extinguisher nearby the welding area.

⚫When welding on the ceiling, floor, wallsor isolation thing, alert to cause fire.

⚫Don't weld on the airtight container such as oil tank, the cylinder or pipe, unless take the feasible measures

before.

⚫According to the actual situation, connect the cables to the workpiece as close as possible to the welding area,

in order to avoid the welding current through too long or unknown path, then cause shock and fire.

⚫Don't use arc welding machine for pipeline thaw out.

⚫If you do not use the equipment l, please take down the electrode from the electrode holder or pulled out the

welding cablesform the output end.

⚫Wear no oil protective clothing, such as leather gloves, thick welding clothes, no flanging pants, boots, hats, etc.

⚫Before welding, the present person should hand over all the fuels, such as butane lighter and matches.

FUMES AND GASES CAN BE DANGEROUS!

⚫Let your head away from dust, do not inhale the dust.

⚫If indoors, keep good ventilation, or use exhaust device to drive the smoke and gas that produced by welding.

⚫Read relevant safety data material, follow the manufacturer’s introduction and suggestions for metals,

consumables, cloth, clean goods, etc.

⚫When process welding in a narrow area, ensure good ventilation or wear supplied-air respirator, at the

meanwhile, there must have trained person present. The dust and gas produced by welding will reduce the

oxygen content, and cause effect and damage to people's health.

⚫Don't process welding around the field that have skimmed, cleaning or injection work, the heat and radiation

produced by arc reacts with the water vapor in the air may produce the gas with strong toxicity and

stimulating.

⚫Don't process welding on the material surface of electroplating metal, unless the coating has been removed,

welding area is in good ventilation. Wear supplied-air respirator if necessary. Because in welding, the coated

metal will release poisonous gas.

THERMAL COMPONENTS MAY CAUSE SEVERE BURNS！

⚫Don’t touch the thermal components directly by hand.

⚫Use the welding gun or torch to welding after cooling.

ARC RAYS CAN DAMAGE YOUR EYS AND BURN YOUR SKIN!

⚫During welding and watching, wear a helmet with the proper filter and cover plates to protect your face and

eyes from sparks.

⚫Use the glasses with side armor and approved safety glasses under the helmet.

⚫Protect other nearby personnel with suitable, non-flammable screening and /or warn them not to watch the arc

nor expose themselvesto the arc raysor to hot spatter or metal.

⚫Use suitable clothing and spats made from durable flame-resistant material (fur and wool) to protect your skin.

1.3 Installation, operation and maintenance notices

FIRE OR EXPLOSION MAY CAUSE DANGEROUS！

⚫Don’t place and install the equipment in the fuel and flammable surface or nearby.

⚫Don't make the power cord overload, ensure that the specifications of power supply system, load rate are not

exceeding the rated value, and operating equipment correctly.

EQUIPMENT SLIPPED OFF MAY CAUSE DANGEROUS!

⚫Through crane hoisting equipment, prohibit to rolling cylinders or other components.

⚫It must have enough carrying of equipment to hoist or support welding equipment.

⚫If using a forklift to hoist the equipment, it must be ensured that the forklift arm is long enough to extend to the

other side of the equipment.

RUNNING PARTS MAY BE DANGEROUS!

⚫Away from the running components, such as the fan, etc.

⚫Far from the equipment extrusion parts, such as the drive wheels, etc.

⚫Ensure that all the clutch window, panel, cover board or protective device of the equipment in a safe place

⚫The protection class of our arc welding machine is IP23S，not suitable for operating in heavy rain.

⚫Excessive noise isharmful to your listening. In the welding process, it can cause noise, if the noise decibels istoo

high, please wear hearing protector.

1.4 The knowledge of electric and magnetic fields

Electric current flowing through any conductor causes localized Electric and Magnetic Fields (EMF). The

discussion on the effect of EMF is ongoing all the world. Up to now, no material evidences show that EMF may have

effects on health. However, the research on damage of EMF is still ongoing. Before any conclusion, we should minimize

exposure to EMF as few as possible.

In order to minimize EMF, we should use the following procedures:

Tie the cables together through woven.

All cables should be put away and far from the operator.

Never coil the power cable around your body.

Make sure welding machine and power cable to be far away from the operator as far as possible according to

the actual circumstance.

Connect the work cable to the workpiece asclose as possible to the area being welded.

The people with heart-pacemaker shouldbe away from the welding area.

2. ARC WELDING MACHINE INTRODUCTION

This operation manual is suitable for the inverter DC pulsed (non-pulsed) TIG/MMA machine.

2.1 Brief introduction

This series welding machine adopts the latest pulse width modulation (PWM) technology and insulated gate

bipolar transistor (IGBT) inverter technology, which can realize TIG operation and change work frequency to

medium frequency so as to replace the traditional hulking work frequency transformer with the cabinet medium

frequency transformer. Thus, it is characterized with portable, small size, light weight, low consumption and etc.

This series machine hassuch good performance: in TIG mode, Pre flow time（3）start current（4）current up slope

（5）welding current（6）base current（7）pulse frequency（8）Pulse duty factor（12）Down slope time（9）

Crater current（10）post flow time（11）and etc parameters can be adjusted; In MMA mode, arc starting current（14）

arc force（15）and the welding current parameters also can be adjusted separately, the welding mode can select by

“welding mode selective switch”（2）the welding parameters can adjust by ”selection knob”（1）.

When adjust the” selection knob” to the corresponding function, the pilot light on, then press the “selection knob”

to confirm, the pilot light is twinkling. Press the “selection knob” again, the output pulsed conditions transform by “ON”

or “OFF”. Pulse selective pilot light is（13），This series machine have intelligence protection function inside, such as

over-voltage、low-voltage、over-current、low-current. When the machine arise the failures above, the alarm pilot

light in the front panel （17）will light，in the meantime, it will cut the output current, play the role of self-protection

and prolong the service life. Both MMA and TIG mode can achieve excellent welding effect.

This series welding machine is suitable for all positions welding for various plates made of stainless steel,

carbon steel, alloyed steel, titanium, etc, which is also applied to pipe installment, mould mend, petrochemical,

architecture decoration, car repair, bicycle, handicraft and common manufacture.

The Welder Characteristics：

IGBT——Insulation Gate Bipolar Transistor；

MMA——Manual Metal Arc welding；

TIG——Tungsten Inert Gas welding；

2.2 Working Principle

The working principle of THIS- series welding machines is shown as the following figure. Single phase work

frequency AC 220V or 230V (50 Hz) is rectified into DC (about 300V), then is converted to medium frequency AC (about

40-60KHz) by inverter device (IGBT), after reducing voltage by medium transformer (the main transformer) and

rectifying by medium frequency rectifier (fast recovery diode), and is outputted by inductance filtering. The circuit

adopts current feedback control technology to insure current output stably. Meanwhile, the welding current

parameter can be adjusted continuously and steplessly to meet with the requirements of welding craft.

2.3 Volt-Ampere Characteristic

This series welding machine hasan excellent volt-ampere characteristic, whose graph is shown as

the following figure. The relation between the conventional rated loading voltageU2 the conventional welding

current I2 is as follows:

When I2≤600A，U2＝10＋0.04 I2（V）；When I2＞600A，U2＝34（V）.

0600 I2（A）

U2（V）

Working

point

Volt-ampere characteristic The relation between the

conventional loading

voltage and welding current

3. INSTALLATION AND ADJUSTMENT

3.1 Parameters

Type

Parameter

160

180

200

250

Input voltage

1 phase，220~230V±10%，50/60Hz

Rated input current（A）

TIG

MMA

TIG

MMA

TIG

MMA

TIG

MMA

16.4

26.4

33.5

40.6

Rated input power（KW）

2.9

4.7

3.7

5.9

4.6

7.2

4.9

7.5

Power factor

0.80

Maximum no-load voltage (V)

62~64

Welding current range（A）

5～160

5～180

5～200

5～220

Efficiency

≥80％

Duty cycle（40℃，10 min）

160A 40％

180A 30％

200A 25％

220A 25％

100A 100％

Protection class

IP21

Insulation class

Dimensions

（L x W x H）（mm）

380X120X220

Weight（Kg）

5.5

6.2

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