INVERTER WELDING MACHINE JET TIG II AC/DC 250 COOLER TROLLEY WELDER FANTASY

Industrial devices Welder Fantasy JET TIG II 250 are microprocessor welding power sources based on IGBT technology, designed for welding carbon steels, stainless steels, acid-resistant steels, copper, brass, magnesium, titanium and all aluminum alloys.

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This top-class device sets new standards among AC/DC welding machines, and the user-friendly control panel ensures selection of all necessary operating parameters.

The JET TIG II AC/DC 250 welder enables welding using the following methods:

• TIG DC PULSE lift-arc - the arc is ignited by contact of the electrode with the welded material; the pulse function allows welding thin elements through periodic changes in current intensity.

• TIG DC PULSE HF - non-contact HF ignition using an ionizer in TIG DC PULSE mode

• TIG DC lift-arc - In the TIG method (Tungsten Inert Gas), the electric arc is ignited in a shield of inert gas (argon) between the welded element and a non-consumable electrode made of pure tungsten or tungsten with additives. In TIG lift-arc mode the arc is ignited when the electrode touches the welded element. In TIG DC mode the current is constant.

• TIG DC HF - In order to completely eliminate the possibility of contaminating the weld with tungsten, it is recommended that the electrode does not touch the welded element; therefore a non-contact arc ignition using high-frequency discharges generated by the built-in ionizer is used.

• TIG AC PULSE lift-arc - welding in this mode combines the use of alternating current with a pulse, which allows welding very thin aluminum elements. The arc is ignited through contact of the electrode with the welded material.

• TIG AC PULSE HF - a function enabling welding of thin aluminum elements. Non-contact ignition thanks to the use of an ionizer.

• TIG AC lift-arc - a function allowing welding of aluminum using alternating current, which during aluminum welding performs the function of cathodic cleaning. Thanks to the possibility of setting the AC BALANCE parameter, i.e. the alternating current balance, it is possible to adjust the ratio of the duration of its phases relative to each other.

• TIG AC HF - an analogous function enabling welding of aluminum with alternating current; ignition occurs non-contact using high-frequency current generated by the ionizer.

• TIG AC + DC - the ADVANCED AC function enables welding with mixed AC DC current. In a single cycle there is a transition between AC alternating current and DC negative polarity DC(-). This cycle repeats throughout the entire welding process. Welding with mixed current is particularly useful when joining elements of different thicknesses. Noise emission is also reduced compared to welding with AC alternating current.

• TIG SPOT – TIG SPOT welding is used for lap joining (tacking) thin sheets (up to 1.5 mm, with drilling up to 5 mm – hole-spot joint) made of steel, alloy steels, and also for joining sheets before butt welding. The method consists of introducing a short heat impulse (0.1-4 s), during which the surface of the sheet affected by the electric arc is partially melted and welded to the sheet located directly beneath it.

• MMA DC+ - In the MMA method a coated electrode is used, consisting of a metal core covered with flux coating. An electric arc is produced between the end of the electrode and the welded material. The arc is ignited by touching the electrode end to the welded material. MMA DC+ means welding with positive polarity – more heat is released in the material and less in the electrode.

• MMA DC- - the difference compared to MMA DC+ is that polarity in MMA DC- mode is negative, so the heat distribution is reversed – more heat is released on the electrode and less in the welded material.

• MMA VRD DC+ - available in MMA DC+ mode, the VRD function (Voltage Reduction Device – module reducing the idle voltage of the device secondary circuit). It increases safety and reduces the risk of electric shock. The function turns the welding power on and off when resistance between the electrode tip and the welded element is measured during welding.

• MMA VRD DC- - available in MMA DC- mode, the VRD function (Voltage Reduction Device) works analogously to MMA VRD DC+, the difference is the negative polarity.

For all TIG methods the following welding modes can be used:

• ARC IGNITION VIA LIFT-ARC SYSTEM (2T and 4T)
• NON-CONTACT HF ARC IGNITION (2T and 4T)
• ARC IGNITION USING A REMOTE CONTROL PEDAL (2T and 4T)

DEVICE FEATURES:

• compact design
• integrated construction with cooler and trolley
• LCD display of welding parameters
• LCD display of individual program
• possibility to save 9 full programs
• 2-STROKE and 4-STROKE
• HF or LIFT mode
• dual-function adjust knob (coarse and precise adjustment),
• possibility of connecting remote control – control pedal, torch with potentiometer
• very wide selection of welding functions:
  • possibility of selecting waveform shape:

    • ADVANCED SQUARE - rectangular AC waveform allows welding aluminum with magnesium additives

    • SOFT SQUARE - trapezoidal AC waveform used for welding aluminum with silicon additives

    • TRIANGULAR - triangular waveform setting is optimal for welding thin elements, including anodized aluminum

    • SINE - sinusoidal waveform recommended for welding pure aluminum 99.999%
  • AC/DC EASY SETUP - possibility to use pre-programmed factory settings.
  • NORMAL SETUP - welding parameters set according to individual needs.
  • HOT START - function increasing current at arc ignition, facilitating the start of welding.
  • HF - the device is equipped with an ionizer that allows non-contact ignition of the welding arc.
  • PRE and POST GAS - gas flow before and after welding.
  • UP and DOWN SLOPE - rise and fall of welding current.
  • PULSE - pulsed current function mainly used when welding thin elements (even with a thickness of 0.1 mm), metals with low melting point such as lead, or welding in forced positions. Other advantages of pulsed current welding include a smaller heat-affected zone, greater welding arc stability, greater penetration depth and improved weld face appearance.
  • ARC FORCE - function stabilizing the welding process by maintaining the welding arc voltage value regardless of its length and facilitating control over the amount of spatter.
  • VRD - Voltage Reduction Device - reduces the idle voltage of the device secondary circuit. Increases safety and reduces the risk of electric shock.
  • PFC - Power Factor Correction - increasing the power factor to a value as close as possible to 100% in order to reduce power losses in transmission lines.

SET CONTENTS:

• welder Welder Fantasy JET TIG II AC/DC 250 IGBT
• welding cooler filled with coolant
• integrated welding trolley
• welding torch TIG PARKER SGT 18 FLEX - 4 m
• ground clamp 3 m
• electrode holder 3 m
• instruction manual in Polish

TECHNICAL DATA:

Files to download:

JET TIG II 250 AC/DC TOWER user manual