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Operating Manual

for

250 Amp AC/DC Pulse IGBT TIG Welder With PFC Technology

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Содержание TIGWELD 250 EX

Страница 1: ...Operating Manual for 250 Amp AC DC Pulse IGBT TIG Welder With PFC Technology...

Страница 2: ...4 5 Specifications and Ratings Pg 7 8 Main Unit Knob Button Function Diagram Pg 9 10 TIG Pulsing Pg 11 TIG Section Torch Assembly Pg 12 Selecting the Right Tungsten Pg 13 14 Selecting the Right Fille...

Страница 3: ...take a moment to register your product on our website at www longevity inc com or www lweld com Once again thank you for choosing Longevity as your main welding supplier Longevity Global Inc 23591 Fo...

Страница 4: ...ail at help longevity inc com to obtain a return authorization code In addition to the warranty we offer we would like for you to register your product on our website at www longevity inc com resource...

Страница 5: ...wires or circuit components with bare hands Wear dry welding gloves when welding The operator must be insulated from the work piece Smoke and gas can be harmful to health Ensure that the working area...

Страница 6: ...protect your hearing Ensure that machine is grounded through the power cord or on the machine case Never operate the machine in bare feet or on a wet floor Never switch the machine off while it s in...

Страница 7: ...250 EX www longevity inc com Main Unit Amp Adjust TIG Torch and TIG Torch Pieces Stick Electrode Holder Foot Pedal Ground Clamp Air Hose and Ground Clamp Not pictured Argon Regulator Different then p...

Страница 8: ...Inverter IGBT Protection Class IP23 Weight 49 lb Size unit only L 19 6 in x H 15 25 in x W 9 25 in AC TIG DC TIG Output AC 10 250 A DC 5 250 A Arc Starting Mode HF Lift TIG Rated Duty Cycle at Max Amp...

Страница 9: ...ES P P Current 5 NO YES YES Post Gas 0 25s NO YES YES Up Slope Time 0 10s NO YES YES Down Slope Time 0 10s NO YES YES Pulse Frequency DC TIG 0 5 500Hz NO YES YES Pulse Wide Range AC TIG 0 5 10Hz NO YE...

Страница 10: ...ng Amps Indicator Main Amps 5 Peak Amp Indicator Pulse Peak Amps 1 100 6 Downslope Time Indicator Period in TIG welding during which the specified main current I1 is lowered to the final current 7 End...

Страница 11: ...will blink and the data will be saved 31 Hot Start 32 Hot Time 33 AC Frequency 34 Parameter Adjustment Knob Used to adjust welding parameter 35 Balance 30 30 Used to set the cleaning action for TIG A...

Страница 12: ...drops back to the base current I G In TIG pulsing small sections of the welding location melt quickly and then solidify again quickly In manual applications using TIG pulsing the filler wire is appli...

Страница 13: ...TIGWELD 250 EX www longevity inc com TIG Section Setting Up The TIG Torch...

Страница 14: ...offers excellent performance A drawback is that this tungsten has a low level radiation hazard and the fact that they no recommend to weld aluminum We recommend this tungsten with our stand alone DC...

Страница 15: ...718 2 Lanthanated TL2 7040 TL2 7116 TL2 7332 TL2 718 Amparage Ac 20 30 30 80 60 130 120 200 Amparge Dc 15 50 50 120 80 150 130 250 Sharpening a Tungsten Sharpening a tungsten is very important for a...

Страница 16: ...1 ER70S 6 Steel Wire 3 32 X 36 70S2 1 16 1 ER70S 2 Steel Wire 1 16 X 36 80SD2 1 16 1 ER80SD 2 Steel Wire E1 16 X 36 Longevity offers quality filler rods at affordable prices Please take a look at the...

Страница 17: ...regulator pictured below is included with your unit Setting it up to your argon bottle is easy Simply screw in the valve to the bottle and set the pressure to about Use 100 Argon at 15 25 CFH cubic fe...

Страница 18: ...ve information of basic TIG welding applications there are a couple of basic steps that need to be taken The tungsten must be sharpened and shaped before initiating an arc With inverter TIG welding ma...

Страница 19: ...direct the arc to the front of the weld puddle 3 Grip the filler rod at a 15 degree angle to the weld surface with the other hand Hold the rod in the iridescent cone of gas that surrounds the weld pud...

Страница 20: ...and produces uneven deposits with irregular ripples The recommended length of the arc is equal to the diameter of the bare end of the electrode as shown in figure 3 The length of the arc depends upon...

Страница 21: ...TIGWELD 250 EX www longevity inc com Sample of a quality stainless steel weld TALLATION...

Страница 22: ...work piece no more than the electrode width 3 Continue the arc by feeding the electrode into the weld puddle while moving the electrode forward This will take some coordination but will be fairly eas...

Страница 23: ...ement of an E6011 rather a simple example of what may be used in developing proficient technique It is recommended that a variety of electrodes be used and practiced with Consultation with an experien...

Страница 24: ...c is struck between the electrode and the work piece creating a weld pool and depositing a consumable metal electrode into the joint The electrode s protective coating also acts as a shielding gas pro...

Страница 25: ...TIGWELD 250 EX www longevity inc com...

Страница 26: ...on DCEN Less penetration AC Medium can be more spatter also DCEP Most penetration Catalog and Capabilities LONGEVITY has what you need for stick welding from welders to welding supplies and protective...

Страница 27: ...uld be cleaned once a month Keep the machine exterior clean with mild soap and water Do not walk on or store items on the cables or cords Do not jar drop or stack items on top of the machine Always co...

Страница 28: ...4462 or via email at help longevity inc com Unit Will Not Weld Check ground connection torch setup and check if you are in the proper mode ARC TIG If you are TIG Welding check to see if you have the...

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