Portable TIG Welders - Westermans
Portable TIGWelding Machines.Portable, compact, efficient!TIGELECTRODEwww.merkle.de
TIGELECTRODEAC/DC Welding UnitsSeries LogiTIGFunctionality and easy operationContinuous setting of the welding current.State-of-the-art Inverter technology.Operation at 230 V single phase(LogiTIG 220/240 AC/DC).High frequency (HF)-ignition and LiftTIG ignition.3 different AC curves selectable, square,sinusoidal and noise reduced.Jobs: Saving and loading of completeparameter settings.Adjustable AC frequency 50 – 200 Hz.Adjustable parameters: start/end current,upslope/downslope, gas pre/post flow.Temperature activated cooling fan.Approved for welding in confined areas,S-symbol approved.MMA/stick electrode welding.2 welding currents that can be activatedthrough the welding torch.Torch with potentiometer as an option.Digital display for welding current, time andfrequency with pre-display and hold function.High frequency TIG-DC-pulse up to 12 kHz fora defined narrow arc plasma alike.TIG pulse mode as a standard.2AC balance control for the modificationof the arc curve and penetration.Optional: Water cooling unit (see page 7).
Portable TIG Welding Machines.Welding units for AC/DC!Technical data:LogiTIG 220 AC/DCLogiTIG 240 AC/DCLogiTIG 300 AC/DCPower supply1 x 230 V1 x 230 V3 x 400 VFrequency50 - 60 Hz50 - 60 Hz50 - 60 HzContinuous current3.2 kVA3.7 kVA10.4 kVAContinuous power14 A16 A15 ATIG operation mode:No load voltage75 V95 V70 VWorking voltage10 - 18.8 V10 – 17.2 V / 19.6 V***10 - 22 VWelding current (DC)3 - 220 A3 - 180 A / 240 A***5 - 300 AWelding current (AC)5 - 220 A5 - 180 A / 240 A***5 - 300 A220 A* (40 C)Duty cycle 25 % (10 min.)240 A (20 C)Duty cycle 35 % (10 min.)220 A** (20 C)Duty cycle 40 % (10 min.)300 A (40 C)Duty cycle 50 % (10 min.)Duty cycle 60 % (10 min.)180 A** (20 C)140 A (40 C)160 A (40 C)280 A (40 C)Duty cycle 100 %160 A120 A (40 C)130 A (40 C)250 A (40 C)1.5 - 5 mm(20 C)MMA/stick electrode mode:1.5 - 3.25 mm1.5 - 4 mmNo load voltage75 V100 V70 VWorking voltage20 - 27 V20 - 26,4 V / 28 V***20 - 32 VElectrode diameterIP 23Protection classInverterGeneratorHF-/LiftTIGIgnition /- 91 %AC-balanceAC-frequency50 - 200 HzAdjustmentscurrent 1, current 2, time 1, time 2, gas pre/post flow time, upslope/downslope, AC-curve shape,time ignition pulse, hot start time/current, (Arc Force)current, voltage, time, frequency with pre-display and hold functionLED displayyesJob programs2-stroke / 4-stroke / 4-stroke with 2 currentsOperation modes0.2 Hz - 12 kHzTIG pulsation (DC)hot start, anti stick, arc forceMMA/stick electrode weldingsocketRemote controlTCG connectorTorch connection50 mmSocketsEN 60974-1 „S„ /CENormWeightDimensions l x w x h17 kg24.5 kg39.2 kg480 x 200 x 465 mm535 x 230 x 465600 x 300 x 575*: Slow-blow fuse 16 A**: Slow-blow fuse min 20 A*** BiPower operationTechnical details are subject to change.3
Merkle High Frequency DC Pulse.Concentrated, narrow welding arc!High frequency DC pulseThe machines of the series MobiTIG and LogiTIG comeas a standard with the high frequency DC pulse. The arccan be pulsed with a frequency up to 12 kHz. The arccharacteristics provide outstanding opportunities in TIGDC welding that are not available in the normal TIG arc:Characteristics:Extreme arc constriction.Arc similar to plasma welding.Less heat input.Higher welding speed.Extremly stable arc.Perfectly for corner welds.Low noise emission.StandardTIG weldHigh frequencyDC pulse weldHigh frequency pulse forperfect corner weldsMerkle MobiTIG 280 DCwith BiPower PLUS!ERBiPOW The times of having to consider which machine to connectto which plug socket are now over!The new BiPowerPLUS option available for ourMobiTIG 280 DC opens new areas of flexibility for welding.In the workshop with 400 V three phase, or on the job sitewith 230 V single phase, you are prepared wherever youfind yourself.The new BipowerPLUS makes it possible!400 V230 V/The benefits:Practical adapter offers the best flexibilityConnection with 230 V single phase or400 V three phase4
Portable TIG Welding Machines.Welding units for DC!Characteristics:Continuous setting of the welding current.Low weight, portable.2-stroke/4-stroke operation.High frequency (HF) and LiftTIG ignition.Socket for remote control.Digital display for all parameters, with predisplay and hold function for welding current .Job programs (MobiTIG).2 welding currents with activation atthe welding torch.TIG pulsation as a standard.Adjustable start/final current and downslope time.The welding units MobiTIG 190 DC, MobiTIG 280 DC and TIG 300 DCare suitable for TIG welding in DC of stainless steel, mild steel andcopper. All units can operate in MMA/stick electrode mode. Theunits can be characterized by numerous features.Technical data:MobiTIG 190 DCMobiTIG 190 DC mobilMobiTIG 280 DCTIG 300 DC1 x 230 V (50 - 60 Hz)1 x 230 V (50 - 60 Hz)3 x 400 V (50/60 Hz)1 x 230 V (50/60 Hz)3 x 400 V (50 - 60 Hz)Continuous power2.8 kVA2.8 kVA9.7 kVA3.7 kVA7.6 kVAContinuous current12 A12 A14 A16 A11 APower supplyTIG operation mode:No load voltage64 V64 V90 V103 V89 VWorking voltage10 - 17.6 V10 - 17.6 V10 - 21.2 V10 - 17.6 V10 - 22 V3 - 280 A3 - 190 A5 - 300 A180 A (20 C)5 - 190 A5 - 190 ADuty cycle 20% ED (10 min.)180 A (40 C)180 A (40 C)Duty cycle 35% ED (10 min.)180 A (20 C)180 A (20 C)280 A (40 C)Duty cycle 60% ED (10 min.)150 A (20 C) 110 A (40 C)150 A (20 C) 110 A (40 C)240 A (40 C)110 A (40 C)280 A (40 C)Duty cycle 100% ED130 A (20 C) 90 A (40 C)130 A (20 C) 90 A (40 C)210 A (40 C)90 A (40 C)220 A (40 C)1.5 - 5 mmWelding currentDuty cycle 40% ED (10 min.)250 A (40 C)Duty cycle 50% ED (10 min.)300 A (40 C)MMA/stick electrode mode:1.5 - 3.25 mm1.5 - 3.25 mm1.5 - 5 mm1.5 - 3.25 mmNo load voltage64 V64 V90 V103 V99 VWelding current5 - 160 A5 - 160 A5 - 280 A5 - 160 A5 - 300 AElectrode diameterIP 23Protection classHF-/LiftTIGIgnitioncurrent 1, current 2; time 1 and 2; gas post flow; start / final currentAdjustmentscurrent, voltage, time, frequency with pre-display and hold functionLED displayJob programsyesTIG-Pulseyesyes0.2 Hz - 12 kHz0.2 Hz - 12 kHz0.2 Hz - 12 kHzMMA/stick electrode weldingHotstart, anti stick, arc forceBiPower TechnologieMerkle TCG with 5 pol. plugEN 60974-1 „S“ /CENormWeight0.2 Hz - 800 Hz50 mmTorch connectionDimensions l x w x h-2-stroke, 4-stroke, 4 stroke with current 2Operation modes8.9 kg12.8 kg19 kg26 kg355 x 160 x 275 mm475 x 222 x 484 mm485 x 200 x 435 mm530 x 230 x 465 mmTechnical details are subject to change.5
Portable TIG Welding Units.Perfect in handling and functionality!Display (series LogiTIG):Digital display as a standard.Expert mode or standard mode programmable.Different languages selectable.Lock through PIN security number.Easy operation through rotary switch.TCG torch connector:The main advantages of the Merkle TCG(TIG Center Gas) connector:Small sizeLow weightExchange of the torch without toolsNegative socket for connection of TIG torchand electrode cable2 rubber rings assure gas seal achievedMMA/stick electrode welding:1. Arc force: Increasing of the welding currentin order to avoid adherence of the electrode.2. Hotstart function:Increasing of the start current to assure asafe ignition. The hotstart current and time areadjustable.3. Anti Stick function:In case of adherence of the electrode, the currentis switched off immediately. Re-ignition afterseparation is only possible with a short delay.6
TIG Welding Units.Trolleys and water cooling units!Trolley TW 120:The trolley TW 120 is designed for easy transportation of the welding unit in theworkshop or on site.Extra large wheels (200 mm).Gas bottle holder for a 10, 20 or 50 l cylinder (if machine is fixed to the trolley).Drawer for tools, accessories, spare parts and consumables.Suspension possibilities for cables and torch heads.Torch holders for varions welding torch types on left and right side.Dust protection filter:Specially for workstations and workshops with higher dust pollution i.e. grindingdust, recommends the use of dust filters. The filter is attached easily.Water cooling units WK 200/230/300:The water cooling units can be mounted as anoption to the welding units MobiTIG 280 DC,LogiTIG and TIG 300 DC. Welding machine andwater cooling unit then form one compact unit,easy to transport.Different applications are possible: weldingwith a water cooled torch in the workshopor using a gas cooled torch on site. Easymounting and dismounting in a few seconds,via one pluggable electrical connection(option) placed on the rear panel of the unit.Technical dataPower supply:pluggable cablesto the power sourceWater pump:rotatory pumpPressure switch:integratedWater connection:2 quick disconnectcouplingsWeight:12 kg (WK 200)18 kg (WK 230)20 kg (WK 300)Dimensionsl x w x h:590 x 200 x 200 (WK 200)610 x 230 x 215 (WK 230)600 x 300 x 260 (WK 300)7
03/2012Create your future successfully.With Merkle. Your specialist for weldingunits, welding machines, torches andintelligent automation systems. Withown subsidiaries and Merkle dealersin Germany, Europe and many othercountries throughout the world.Welcome to Merkle.MIG/MAG Welding UnitsSynergic Pulse Welding UnitsTIG Welding UnitsMMA / Stick Electrode Welding UnitsPlasma Welding and Cutting UnitsTurntables and Roller Drive UnitsWelding and Cutting TorchesAutomation Components and SolutionsMerkle Roboticswww.merkle.deMerkle Schweissanlagen-Technik GmbH I Industriestr. 3 I D-89359 Koetz I Germany I Phone: 49 (0) 8221 915-0Fax: 49 (0) 8221 915-40 I Email: info@merkle.de
Portable TIG Welding Machines. Welding units for DC! The welding units MobiTIG 190 DC, MobiTIG 280 DC and TIG 300 DC are suitable for TIG welding in DC of stainless steel, mild steel and copper. All units
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