SWP Stealth Cobra TIG 201 Operator's Manual
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SWP Stealth Cobra TIG 201 Operator's Manual

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OPERATOR'S MANUAL
TIG 201 INVERTER
Part No. 9111H
IMPORTANT
Read this Operator's Manual completely before attempting to use this equipment.
Save this manual and keep it handy for quick reference.
Pay particular attention to the safety instructions we have provided for your protection.
Contact your distributor if you do not fully understand this manual.

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  • Page 1 OPERATOR’S MANUAL TIG 201 INVERTER Part No. 9111H IMPORTANT Read this Operator’s Manual completely before attempting to use this equipment. Save this manual and keep it handy for quick reference. Pay particular attention to the safety instructions we have provided for your protection. Contact your distributor if you do not fully understand this manual.

  • Page 2: Table Of Contents

    SAFETY CONTENT §1 SAFETY..............................1 §2 SUMMARY ............................9 §2.1 Features ..............................9 §2.2 Brief Introduction ..........................10 §2.3 Parameters .............................. 12 §2.4 Duty cycle & Over heat ......................... 13 §2.5 Working Principle ..........................13 §2.6 Volt-Ampere Characteristic ........................ 14 §3 Installation &...
  • Page 3 SAFETY §4.2 Troubleshooting ............................ 41 §4.3 MMA Welding - Trouble Shooting ....................42 §4.4 DC TIG Welding - Trouble Shooting ....................44 §4.5 List of error code ........................... 46...

  • Page 4: Safety

    SAFETY §1 SAFETY Notice: The instructions are for reference only. The manufacturer reserves the right to explain the differences between the description and the product due to product changes and upgrades! The device is manufactured using state-of-the-art technology and according to recognised safety standards. If used incorrectly or misused, however, it can cause: ...
  • Page 5 SAFETY Excessive ambient temperature will cause the machine heat dissipation is not smooth, so that the internal components of the machine heat seriously. Usually the maximum operating temperature is 104°F (40°C). Low temperature may lead to performance degradation or damage of components inside the product, resulting in ice inside the water tank.
  • Page 6 SAFETY Many harmful phenomena, such as noise, bright light and harmful gas, will inevitably occur in the welding process. In order to avoid harmful By product phenomena causing harm to the human body, it is necessary to make corresponding preparations in advance. Arc rays from the welding process produce intense visible and invisible ultraviolet and infrared rays that can burn eyes and skin.
  • Page 7 SAFETY Welding may produce fumes and gases hazardous to health. Avoid breathing these fumes and gases.  Do not breathe the smoke and gas generated whilst welding or cutting, keep your head out of the fumes. Use enough ventilation and/or exhaust at the arc to keep fumes and gases away from the breathing zone.
  • Page 8 SAFETY Flying sparks from the welding arc, hot work piece, and hot equipment can cause fires and burns. Accidental contact of electrode to metal objects can cause sparks, explosion, overheating or fire.  Welding sparks and hot materials from welding can easily go through small cracks and openings to adjacent areas.
  • Page 9 SAFETY cylinder outlet valve and gas regulator. Use only compressed gas cylinders containing the correct shielding gas for the process used and properly operating regulators designed for the gas and pressure used. All hoses, fittings, etc. should be suitable for the application and maintained in good condition.

  • Page 10: Safety Device

    SAFETY maintenance. Don’t sling cables or leads around either the body or parts of the body. The electrode (rod electrode, tungsten electrode, welding wire, etc) must  Never be immersed.  Never be touched when current is flowing. When the machine is connected to the power supply, there is electricity inside the machine.
  • Page 11 SAFETY  Shield off entire welding installation. Radiation Class A Device.  Only can be used in the industrial area.  If it is used in other area, it may cause connection and radiation problems of circuit. Radiation Class B device. ...

  • Page 12: Summary

    SUMMARY §2 SUMMARY §2.1 Features  PFC Technology: Power factor more than 0.99. Multiple advantages such as energy saving and welder input voltage.  Input voltage, works with single-phase: 110V/230V.  Lift TIG and HF Start Modes for versatility when welding around sensitive electronic equipment.

  • Page 13: Brief Introduction

    SUMMARY §2.2 Brief Introduction BT TIG-series welding machine adopts the latest pulse width modulation (PWM) technology and insulated gate bipolar transistor (IGBT) power module, which can 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.
  • Page 14 SUMMARY 5. DC Pulsed TIG has the following characters: 1) Pulse heating. Metal in Molten pool has short time on high temperature status and freezes quickly, which can reduce the possibility to produce hot crack of the materials with thermal sensitivity. 2) The workpiece gets little heat.

  • Page 15: Parameters

    SUMMARY §2.3 Parameters Models BT TIG 201 Parameters Power source 1-110V±10% 1-230V±10% Frequency (Hz) 50/60 Rated input current (A) 31.4 33.0 36.6 39.0 20.1 20.8 28.7 30.2 Rated input power (kVA) 3.46 3.62 4.01 4.28 4.62 4.78 6.58 6.93 Welding current range (A) 10~160 3~160 10~130...

  • Page 16: Duty Cycle & Over Heat

    SUMMARY §2.4 Duty cycle & Over heat The letter “X” stands for duty cycle, Relation of welding current and duty which is defined as the proportion of cycle for BT TIG 201 the time that a machine can work continuously within a certain time (10 minutes).

  • Page 17: Volt-Ampere Characteristic

    SUMMARY §2.6 Volt-Ampere Characteristic BT TIG-series welding machine has an excellent volt-ampere characteristic, whose graph is shown as the following figure. The relation between the conventional rated loading voltage U and the conventional welding current I is as follows: When I ≤600A, U =10+0.04I (V);...

  • Page 18: Installation & Operation

    INSTALLATION & OPERATION §3 Installation & Operation §3.1 Layout for Front and Rear panel TIG torch remote connection socket. “-” Output terminal. “+” Output terminal. TIG torch gas connector. Inlet gas connector. Input power cable. Power switch.

  • Page 19: Layout For Control Panel

    INSTALLATION & OPERATION §3.2 Layout for Control panel §3.2.1 Control panel 1. Welding mode button: Press it to select MMA/ HF TIG/ LIFT TIG welding mode. 2. Output waveform button.* 3. Trigger mode selecting button: Press it to select 2T or 4T trigger mode. * 4.
  • Page 20 INSTALLATION & OPERATION 10. Screen: It will show all welding parameters, such as welding voltage, welding current and other parameters set. 11. Parameter B button: Press it to select Arc force or Diameter size. If the button is not pressed within 3s, the selection will be automatically removed. Denotes more detailed explanation of function to follow.
  • Page 21 INSTALLATION & OPERATION Introduction: (1) 0: Press the gun switch and hold it. Electromagnetic gas valve is turned on. The shielding gas stars to flow. (2) 0～t1: Pre-gas time (0.1~2.0s) (3) t1～t2: Arc is ignited and the output current rises to the setting welding current (I ) from the min welding current.
  • Page 22 INSTALLATION & OPERATION useful to longer welds as the trigger is not required to be held on continuously. TIG series of welding machines also has more current control options that can be used in 4T mode. The start current and crater current can be pre-set. This function can compensate the possible crater that appears at the beginning and end of the welding.
  • Page 23 INSTALLATION & OPERATION (12) t7: Electromagnetic valve is closed and stop argon flowing. Welding is finished. Function A button (6) In HF TIG/ Lift TIG, press it to select Pre-gas time, Pre current and Up slope time; In Spot welding mode, press it to select Pre-gas time; In JOB program, press it to load the parameter settings for the select number.

  • Page 24: Mma Display Introduction

    INSTALLATION & OPERATION §3.2.2 MMA display introduction 1. Welding mode button: Press it to enter MMA welding mode. 2. Out waveform button: Press it to select DC output or AC Square wave output. 3. Parameter A button: Press it to select Hot start. Setting range: 0~10. 4.

  • Page 25: Hf/Lift Tig Display Introduction

    INSTALLATION & OPERATION §3.2.3 HF/LIFT TIG display introduction 1. Welding mode button: Press it to enter HF TIG or LIFT TIG welding mode. 2. Output waveform button: Press it to select DC output or AC wave output. 3. Trigger mode button: Press it to select 2T or 4T trigger mode. 4.

  • Page 26: Tig Pulse Display Introduction

    INSTALLATION & OPERATION 5. Function A button: Press it to select Pre-gas time, Start arc current and Up slope time. 6. Function B button: Press it to select Down slope time, End arc current and Post-gas time. 7. Parameters select/adjust knob: Press it to select welding current and other parameters.

  • Page 27: Tig Spot Display Introduction

    INSTALLATION & OPERATION §3.2.5 TIG Spot display introduction 1. Current display: 3~200A (DC)/10~200A (AC). 2. T display: 0.2~1.0s. 3. T display: off~10.0s. §3.2.6 JOB Program introduction 1. Welding mode display: Here are selected welding states. 2. Parameters display: Here are all selected parameters values. 3.

  • Page 28: Installation & Operation For Mma Welding

    INSTALLATION & OPERATION §3.3 Installation & Operation for MMA welding §3.3.1 Set up installation for MMA Welding Connection of Output Cables Two sockets are available on this welding machine. For MMA welding the electrode holder is shown be connected to the positive socket, while the earth lead (work piece) is connected to the negative socket, this is known as DCEP.

  • Page 29: Operation For Mma Welding

    INSTALLATION & OPERATION (5) With the corresponding input power supply terminal or socket good contact and prevent oxidation; (6) With a multi meter measure the input voltage is within the fluctuation range; (7) The power ground is well grounded. §3.3.2 Operation for MMA Welding (1) According to the above method to install is correct, rotate the power switch, so that the power switch is “ON”...

  • Page 30: Mma Welding

    INSTALLATION & OPERATION §3.3.3 MMA Welding One of the most common types of arc welding is manual metal arc welding (MMA) or stick welding. An electric current is used to strike an arc between the base material and a consumable electrode rod or ‘stick’. The electrode rod is made of a material that is compatible with the base material being welded and is covered with a flux that gives off gaseous vapours that serve as a shielding gas and providing a layer of slag, both of which protect the weld area from atmospheric contamination.

  • Page 31: Mma Welding Fundamentals

    INSTALLATION & OPERATION core wire melts and is deposited into the welding pool. The covering on a shielded metal arc welding electrode is called Flux. The flux on the electrode performs many different functions. These include: ● producing a protective gas around the weld area ●...

  • Page 32: Arc Length

    INSTALLATION & OPERATION Electrode Size Current Range ø mm (Amps) 2.5 mm 60~95 3.2 mm 100~130 4.0 mm 130~165 5.0 mm 165~260 Correct current selection for a particular job is an important factor in arc welding. With the current set too low, difficulty is experienced in striking and maintaining astable arc. The electrode tends to stick to the work, penetration is poor and beads with a distinct rounded profile will be deposited.

  • Page 33: Installation & Operation For Tig Welding

    INSTALLATION & OPERATION downwards to keep the correct arc length at all times. Excessive travel speeds lead to poor fusion, lack of penetration etc, while too slow a rate of travel will frequently lead to arc instability, slag inclusions and poor mechanical properties. ...

  • Page 34: Dc Tig Welding

    INSTALLATION & OPERATION Regulator. Check for Leaks! (6) Connect the gas line to the machine inlet gas connector via the quick push lock connector located on the rear panel. Check for Leaks! (7) Connect the power cable of welding machine with the output switch in electric box on site.

  • Page 35: Tig Welding Fusion Technique

    INSTALLATION & OPERATION DC TIG welding is a process in which an arc is struck between a TUNGSTEN electrode and the metal work piece. The weld area is shielded by an inert gas flow to prevent contamination of the tungsten, molten pool and weld area. When the TIG arc is struck the inert gas is ionized and superheated changing its molecular structure which converts it into a plasma stream.
  • Page 36 INSTALLATION & OPERATION This is known as Fusion welding where the edges of the metal pieces are melted together using only the heat and arc force generated by the TIG arc. Once the arc is started the torch tungsten is held in place until a weld pool is created, a circular movement of the tungsten will assist is creating a weld pool of the desired size.

  • Page 37: Tungsten Electrodes

    INSTALLATION & OPERATION §3.4.4 Tungsten Electrodes Tungsten is a rare metallic element used for manufacturing TIG welding electrodes. The TIG process relies on tungsten’s hardness and high-temperature resistance to carry the welding current to the arc. Tungsten has the highest melting point of any metal, 3,410 degrees Celsius.
  • Page 38 INSTALLATION & OPERATION Material Safety Data Sheet (MSDS) for its use. E3 (Color Code: Purple) E3 tungsten electrodes (AWS classification EWG) contain a minimum of 98% percent tungsten and up to 1.5 percent Lanthanum and small percentages of Zirconium and Yttrium they are called E3 Tungsten.

  • Page 39: Tungsten Preparation

    INSTALLATION & OPERATION 1.5 percent lanthanated. These electrodes have excellent arc starting, a low burn off rate, good arc stability, and excellent re-ignition characteristics. Lanthanated tungsten also share the conductivity characteristics of 2 percent thoriated tungsten. Lanthanated tungsten electrodes are ideal if you want to opti-mise your welding capabilities. They work well on AC or DC electrode negative with a pointed end, or they can be balled for use with AC sine wave power sources.
  • Page 40 INSTALLATION & OPERATION edges, imperfections, or poor surface finishes not visible to the eye that will contribute to weld inconsistency and weld defects. Always ensure to grind the tungsten in a longitudinal direction on the grinding wheel. Tungsten electrodes are manufactured with the molecular structure of the grain running lengthwise and thus grinding crosswise is “grinding against the grain.”...

  • Page 41: Operation Environment

    INSTALLATION & OPERATION Tungsten electrodes for DC welding should be ground longitudinally and concentrically with diamond wheels to a specific included angle in conjunction with the tip/flat preparation. Different angles produce different arc shapes and offer different weld penetration capabilities. In general, blunter electrodes that have a larger included angle provide the following benefits: •...

  • Page 42: Operation Notices

    INSTALLATION & OPERATION  Preferably site the machine some angles above the floor level, the maximum angle does not exceed 15°.  Protect the machine against heavy rain or in hot circumstance against direct sunshine.  The content of dust, acid, corrosive gas in the surrounding air or substance cannot exceed normal standard.

  • Page 43: Maintenance & Troubleshooting

    MAINTENANCE & TROUBLESHOOTING §4 Maintenance & Troubleshooting §4.1 Maintenance In order to guarantee that arc welding machine works high-efficiently and in safety, it must be maintained regularly. Let customers understand the maintenance methods and means of arc welding machine more, enable customers to carry on simple examination and safeguarding by oneself, try one's best to reduce the fault rate and repair times of arc welding machine, so as to lengthen service life of arc welding machine .Maintenance items in detail are in the following table.

  • Page 44: Troubleshooting

    MAINTENANCE & TROUBLESHOOTING Observe that whether the current output cable is damaged. If it is damaged, it should be wrapped up, insulated or changed. Use the dry compressed air to clear the inside of arc welding machine. Especially for clearing up the dusts on radiator, main voltage transformer, Monthly inductance, IGBT module, the fast recover diode and PCB, etc.

  • Page 45: Mma Welding - Trouble Shooting

    MAINTENANCE & TROUBLESHOOTING Troubles Reasons Solution no-load voltage The machine is damaged Check the main circuit output (MMA) The welding cable is not connected Connect the welding cable to with the two output of the welder. the welder’s output. The welding cable damaged. Repair or change it.
  • Page 46 MAINTENANCE & TROUBLESHOOTING adhered to and followed. Trouble Possible Reason Suggested Remedy Check earth lead is connected. Check Incomplete welding circuit all cable connections. Check the MMA selector switch is No arc Wrong mode selected selected Check that the machine is switched No power supply ON and has a power Arc length too long...

  • Page 47: Dc Tig Welding - Trouble Shooting

    MAINTENANCE & TROUBLESHOOTING Seek assistance for the correct joint design and fit up Electrode welds Change the polarity, check the with different or Incorrect polarity electrode manufacturer for correct unusual arc polarity characteristic §4.4 DC TIG Welding - Trouble Shooting The following chart addresses some of the common problems of DC TIG welding.
  • Page 48 MAINTENANCE & TROUBLESHOOTING metal Remove all grease, oil or moisture Contaminated filler wire from filler metal Check the filler wire and change if Incorrect filler wire necessary Incorrect Gas Use pure Argon gas Yellowish residue/ Set the gas flow between 20~40 CFH smoke on the Inadequate gas flow (10~20 l/min) flow rate...

  • Page 49: List Of Error Code

    MAINTENANCE & TROUBLESHOOTING §4.5 List of error code Error Type Error code Description Over-heating (1st thermal relay) Over-heating (2nd thermal relay) Thermal relay Over-heating (3rd thermal relay) Over-heating (4th thermal relay) Over-heating (Program in default) Phase loss No water No gas Welding machine Under voltage Over voltage...

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Stealth cobra bt tig 2019111h

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