TIG-250 ACDC

  Product Parameters 

• Language interface for the human-computer interaction main interface, simple, intuitive and easy to understand the operation panel layout is convenient for the correct operation of all kinds of users. 

• Can achieve high quality manual welding. The excellent control algorithm obviously improves the manual welding performance: the arc is easier, the welding current is stable, small splash, non-stick strip, good weld forming, can automatically adapt to the length or section of the welding cable, has the excellent quality under the size specification.

• High required argon arc welding can be achieved Improved digital constant current regulation technology to ensure the full specification of low noise and high stable arc quality, at the same time, excellent and mature control algorithm, for the user free control current form provides a convenient and practical method, the machine provides including classic 2 steps, 4 steps, spot welding, a total of 3 kinds of argon arc operation mode, for the user of the special process requirements provides a good way. 

• Support remote control. This machine also provides an analog remote control mode, that is, the foot on.

  
  

  Owner's Manual 

TIG-250  AC/DC WELDING MACHINE

NOTE: Please read this manual carefully before use.

Product Specifications and features are subject to change without notice. While every attempt has been made to provide the most accurate and current information possible at the time of publication, this manual is intended to be a general guide.

WARNING! Please read these instructions before installing and commissioning the device.

  1. General Comments 

Start-up and operation of the device can only be made after carefully reading this Operator's Manual.

Damage to the device due to improper handling will result in the loss of warranty rights.

It is forbidden to modify devices and interfere in its construction.

Attention

Welding may endanger the safety of the operator and other persons in the vicinity. Therefore, special precautions should be taken during welding. Before welding, read the occupational health and safety regulations in force at the workplace.

During electric welding with MMA and TIG methods, there are the following hazards:

• ELECTRIC SHOCK

•  NEGATIVE EFFECT OF ARROW ON EYES AND SKIN OF HUMAN

• POISON AND GAS DAMAGE

• BURNS

• NOISE

Prevention of electric shock

• Connect the device to a technically efficient electrical installation with proper protection

• Assemble current wires with the device switched off,

• Do not use handles and power cables with damaged insulation,

• In conditions of particular danger of electric shock (work in environments with high humidity and closed tanks) work with a helper supporting the work of the welder and watching over safety, use clothing and gloves with good insulating properties

• If you notice any irregularities, you should ask competent people to remove them.

• It is forbidden to operate the device with covers removed

• Do not touch the torch gun or gas interface when the device is connected and press the trigger, do not torch the electrode head when initiate arc

Prevention of the negative impact of the electric arc on the eyes and human skin

• Wear protective clothing (gloves, apron, leather shoes),

• Use shields or protective shields with a properly selected filter,

• Use protective covers made of non-combustible materials and properly choose the color of the walls that absorb harmful radiation.

Prevention of poisoning by vapors and gases emitted during welding from electrode lagging and metal evaporation

• Use ventilation devices at work stations

• Blow with fresh air when working in a confined space

Prevention of burns

• Use appropriate protective clothing and footwear to protect against burns from arc radiation and spatter

• Avoid soiling the clothes with lubricants and oils that may lead to ignition of the clothing.

Prevention of negative impact of noise

• Use earplugs or other noise protection measures,

• Warn of the dangers of nearby people.

Before starting the device

• Check the condition of electrical and mechanical connections. It is forbidden to use handles and power cables with damaged insulation. Improper insulation of holders and power cords may result in electric shock,

• Ensure proper working conditions, ensure the right temperature, humidity and ventilation in the workplace. Outside of enclosed spaces, protect against atmospheric precipitation,

Persons operating the welder should

• Have the power to weld electric electrodes with coated electrodes and the TIG method,

• know and follow the health and safety regulations applicable when carrying out welding work,

• Use appropriate, specialist protective equipment: gloves, apron, rubber boots, shield or welding helmet with a properly selected filter,

• Be familiar with the contents of these operating instructions and operate the welder for its intended purpose

Any repairs to the device may only be made after disconnecting the plug from the mains socket. When the device is connected to the power it is not allowed to touch any elements constituting the welding current circuit with bare hands or through damp clothing. It is forbidden to remove the external covers when the device is connected to the power. Maintenance and repair work may only be carried out by authorized persons subject to the safety and operating conditions applicable to electrical equipment.

  2.General Description 

The SYNERGIC welding machine is used for manual welding by direct current and alternating current using Manual Metal Arc (MMA) and Gas Tungsten Arc Welding (GTAW), also known as Tungsten Inert Gas (TIG) welding.  In the design and construction of the device the latest developments in the field of PWM technology (pulse width modulation) and IGBT modules (bipolar transistors with an insulated gate) were used, thanks to which the welder is characterized by small size and low weight.

The ARC FORCE function is available during MMA welding. During TIG welding it is possible to regulate the rise and fall of current, pre-outflow and gas outflow as well as pulse and AC current parameters. The device has a memory of 10 sets of parameter settings for the TIG HF and MMA methods.

  3.Technical Parameters 

Level of security

IP determines to what extent the device is resistant to solid and water contamination. IP23 means that the device is designed to work indoors and is not suitable for use in the rain.

  4.Panel Instruction 

4.1 Mode option (In the non-welding working state) 

4.2 POLAR option (In the non-welding working state)

4.3 PULSE option (In the non-welding working state)

4.4 Welding torch on/off option (In the non-welding working state)

4.5 MMA VRD OPTION (In the non-welding working state, press and hold knob actuator）

4.6 Welding Current Sync

  5.Setting 

HOT START & ARC FORCE - allows you to adjust the dynamics of the welding arc during MMA welding. The shortening of the arc length is accompanied by an increase in the welding current, which results in stabilization of the arc. Decreasing the value gives a soft curve and a smaller depth of penetration, while increasing the value causes deeper penetration and the possibility of short arc welding. When the large value of the ARC FORCE function is set, you can weld while maintaining an arc with a minimum length and high melting rate of the electrode. The adjustment range: 0 ~ 150%

PRE-FLOW - time from pressing the buttonin the grip handle and opening the gas valve until the arc is ignited. Usually should be more than 0,5s.                                                                                       

Adjustment range: 0.1~15.0s

INITIAL CURRENT  - the current appearing in the circuit after pressing the button in the grip handle. The higher the initial current, the easier it is to ignite the arc.

Adjustment range(%):  10%~100%

UP SLOPE (Time of current increase) - welding current rise time from the initial current to the set welding current value.                                                                                                                          

Adjustment range: 0.0~15.0 s

WELDING CURRENT (Peak Amp) – main welding current

Adjustment range: 5 ~ Max Current

SPOT TIME (time of spot welding) – spot welding time

Adjustment range:0.1~15.0 s

DUTY CYCLE(pulse duty)  - duration of the impulse, allows you to adjust the depth of the penetration. The increase in width increases the depth of penetration, the reduction reduces the amount of heat entering the material, reducing the risk of burning thinner sheets or smaller elements

Adjustment range: 5~95% (>200Hz Duty 50%)

PULSE FREQUENCY - the frequency with which the value of the current pulse between the welding current and the base current changes.

Adjustment range: 0.2~250Hz / suggest at 200Hz

BASE CURRENT (Base Amp) - the current responsible for maintaining the welding process, the lower value of the current pulse. It makes it easier to control the amount of heat entering the material.

The base current adjustment is only possible during pulse welding

Adjustment range: 10%~100%

AC FREQUENCY  - the function is useful when welding aluminum. The higher the frequency, the more focused the arc will be. (it’s not a better quality weld with higher frequency)

Adjustment range: 20~ 250 Hz/ suggest at 60Hz

AC BALANCE - The ratio of the duration of the positive to negative phase. The reduction of the balance results in the introduction of more heat into the material, resulting in a narrower weld and deeper penetration, and at the same time reduces the heat load of the tungsten electrode. Increasing the balance results in the introduction of less heat into the material, resulting in better cleaning, a broad joint and a shallower penetration, however, it significantly weighs the tungsten electrode.

Adjustment range: Sync Set ±10% Adjust

DOWN SLOPE (time of current descent) - time of transition current from the welding current to the final current.

Adjustment range: 0.0~15.0 s

FINAL CURRENT  - current at the end of the weld sequence.

Adjustment range: 10%~100%

POST FLOW  - time from quenching the arc to closing the gas valve to cover the solidifying weld pool from the air and to cool the tungsten electrode. Too short time of outflow may result in oxidation of the weld,

Adjustment range: 0.5~15.0s

  6.Preparation Of The Device For Work 

If the device is stored or transported in low temperatures, the device should be brought to the right temperature before starting work !!!

6.1description Of Operation

• Negative polarization socket”-”

• Gas connector

• Remote socket

• Positive polarization socket”+”

• Supply power wire

• Ground terminal

• Switch on/off

• Spigot shield gas

6.1mma Method

The ends of the welding cables should be connected to the sockets (1) and (4) on the front panel, so that the polarity of the electrode is on the electrode holder. The polarity of the welding cable connection depends on the type of electrode used and is given on the electrode packaging. The ground cable clamp must be securely attached to the welded material. Connect the device's plug to a 230V 50Hz mains socket.

6.2 Tig Method

The tig torch should be connected to  gas connector(2) and remote socket (3) .

The gas pipe from the reducer should be led and attached to the gas connector (8) located on the back of the housing.

Connect the positive polarization socket (4) to the material to be welded with a wire with a earth clamp.

Connect the device's plug to a 230V 50Hz mains socket.

Note: If use lift tig torch, the torch will connect Negative polarization socket”-”(1)  and  gas connector(2).

Connect the positive polarization socket (4) to the material to be welded with a wire with a earth clamp.

  7.Problem And Solution 

In case of malfunction of the device, before sending the welder to the service, check the list of basic failures and try to remove them yourself.

Any repairs to the device may only be made after disconnecting the plug from the mains socket.

List of codes:

  8.Operating Instructions 

Operation of the device should take place in an atmosphere free from corrosive ingredients and high levels of dust. Do not place the device in dusty places, near grinders, etc. Dust and contamination with metal filings of control boards, wires and connections inside the device can lead to an electrical short circuit and consequent damage to the welder.

Avoid operation in environments with high humidity, in particular in situations of dew on metal elements.

In the case of dew on metal elements, for example, after entering a cool device into a warm room, wait until the dew disappears. It is recommended that when the machine is used outdoors, it should be placed under the roof in order to protect it from adverse weather conditions.

  9.Maintenance Instructions 

As part of everyday service, keep the welder clean, check the condition of external connections and the condition of wires and electric cables.

Replace consumable parts regularly.

Periodically clean the device inside by blowing with compressed air to remove dust and metallic filings from the control plates as well as wires and electrical connections.

At least once every six months a general review and condition of electrical connections should be made, in particular:

• Protection against electric shock

• Insulation condition

• Security system status

• Correct operation of the cooling system

  10.Storage And Transport Instructions 

The device should be stored at -10 ° C to + 40 ° C and relative humidity up to 80% free from corrosive fumes and dust. The transport of packaged devices should take place in covered transport means. During transport, the packed device should be secured against shifting and ensure their proper position.

TIG-250 ACDC  Parameter table .pdf

TIG-250 ACDC instructions.pdf