Top Gun TIG 202E AC/DC Operator'S Manual Download Page 34 | Manualshive

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MAINTENANCE AND TROUBLESHOOTING

32

§5.3 Electrical principle drawing

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Summary of Contents for TIG 202E AC/DC

Page 1: ...anual 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...

Page 2: ...OLARITY CONNECTION MMA 12 3 6 ASSEMBLING THE EQUIPMENT TIG 13 4 OPERATION 14 4 1 LAYOUT FOR THE PANEL 14 4 2 CONTROL PANEL 15 4 3 1 PEDAL SWITCH CONTROL 19 4 3 2 GUN SWITCH CONTROL CURRENT 19 4 4 ARGO...

Page 3: ...equipment according to 5 because of the DC voltage existing in the electrolytic capacitors ELECTRIC SHOCK CAN KILL Never touch electrical parts Wear dry hole free gloves and clothes to insulate yourse...

Page 4: ...elding with electrodes which require special ventilation such as stainless or hard facing or on lead or cadmium plated steel and other metals or coatings which produce highly toxic fumes keep exposure...

Page 5: ...re refueling to prevent spilled fuel from vaporizing on contact with hot engine parts and igniting Do not spill fuel when filling tank If fuel is spilled wipe it up and do not start engine until fumes...

Page 6: ...hazards or overheat lifting chains or cables until they fail Rotating parts may be dangerous Use only compressed gas cylinders containing the correct shielding gas for the process used and properly o...

Page 7: ...minimize exposure to EMF as few as possible In order to minimize EMF we should use the following procedures Route the electrode and work cables together Secure them with tape when possible All cables...

Page 8: ...ss ratio of igniting arc TIG200E AC DC Characteristics MCU control system responds immediately to any changes High frequency and high voltage for arc igniting to ensure the success ratio of igniting a...

Page 9: ...s quickly which can reduce the possibility to produce hot crack of the materials with thermal sensitivity 2 The workpiece gets little heat Arc energy is focused Be suitable for thin sheet and super th...

Page 10: ...out 312V then is converted to medium frequency AC about 40KHz by inverter device IGBT module after reducing voltage by medium transformer the main transformer and rectifying by medium frequency rectif...

Page 11: ...wn as the following figure The relation between the conventional rated loading voltage U2 and the conventional welding current I2 is as follows When I2 600A U2 10 0 04I2 V When I2 600A U2 34 V 67 34 1...

Page 12: ...8 9 DC MMA Duty cycle 40 10 minutes AC TIG MMA DC TIG AC TIG MMA DC TIG 35 200A 40 170A 35 200A 40 170A 60 155A 60 140A 60 155A 60 140A 100 120A 100 110A 100 120A 100 110A No load voltage V 52 52 Adju...

Page 13: ...front panel At this time the machine should be relaxed for 15 minutes to cool the fan When operating the machine again the welding output current or the duty cycle should be reduced 3 3 Movement and p...

Page 14: ...range it will shorten the welder life span The below measures can be used Change the power supply input net Such as connect the welder with the stable power supply voltage of distributor Induce the ma...

Page 15: ...ECTION in TIG welding mode The control cable of torch switch consists of 2 wires pedal control of 3 wires and the aero socket has 14 leads Consumable parts for TIG torch such as tungsten electrode tip...

Page 16: ...rol wire It has 14 leads and lead 8 lead 9 are connected to torch switch control wire 4 Shield gas connector Is connected to the gas input pipe of torch 5 Power source switch Switch to ON the welder i...

Page 17: ...INSTALLATION AND ADJUSTMENT 15 4 2 Control panel TIG 200E AC DC...

Page 18: ...INSTALLATION AND ADJUSTMENT 16 TIG 200E AC DC PULSE...

Page 19: ...rrent only with 4T Unit A Setting range 10 170 DC 10 200 AC Tup Upslope time Unit S Setting range 0 0 10 Ip Welding current Unit A 10 170 TIG DC 10 200 TIG AC Ib Base current Unit A 10 170 TIG DC 10 2...

Page 20: ...with 4T Unit A Setting range 10 170 DC 10 200 AC Tpo Gas post flow time Unit S Setting range 0 10 Balance only with TIG AC Balance adjustment is mainly used to set the adjustment of eliminating metal...

Page 21: ...max current you want The eighth and ninth of the fourteen lead aero socket is gun switch The first and second of the fourteen lead aero socket is short circuit The third fourth and fifth of the fourte...

Page 22: ...witch the output current slopes up from the start current t2 t3 The output current rises to the setting value Iw or Ib the upslope time can be adjusted t3 t4 Welding process During this period the gun...

Page 23: ...gas time 0 2s t1 t2 Arc is ignited and the output current rises to the setting welding current Iw or Ib from the min welding current t2 t3 During the whole welding process the gun switch is pressed an...

Page 24: ...rent will drop a half then if the TIG torch is pressed quickly again the welding current will get back Notices Check the condition of welding and connection units firstly otherwise there will be malfu...

Page 25: ...ding area color protect effect of Ti alloy Welding area color bright argent orange yellow blue purple caesious white powder of titanium oxid Protect effect best better good bad worst 4 5 3 TIG Paramet...

Page 26: ...sharpened of the electrode diameter mm angle of cone background current A 1 0 0 125 12 2 15 1 0 0 25 20 5 30 1 6 0 5 25 8 50 1 6 0 8 30 10 70 2 4 0 8 35 12 90 2 4 1 1 45 15 150 3 2 1 1 60 20 200 TIG...

Page 27: ...side 2 2 2 5 2 3 90 120 8 12 8 12 Butt welding Parameters of piping back sealing welding for mild steel DCEP Piping diameter mm Tungsten electrode diameter mm Gas nozzle diameter mm Welding wire diame...

Page 28: ...5 5 6 6 7 200 260 360 400 30 35 20 22 Notice the above parameters originate from Welding Dictionary P538 Volume 2 of Edition 2 4 6 Operation Environment Height above sea level is below 1000m Operation...

Page 29: ...ed Do not touch the output electrode with any part of your body Before operation no concerned people should be left Do not watch the arc in unprotected eyes Ensure good ventilation of the machine to i...

Page 30: ...r turn on power watch listen to that whether the arc welding machine has shaking whistle calling or peculiar smell If there is one of the above problems find out the reason to get rid of if you can t...

Page 31: ...ent value can be measured by the adjusted plier type ampere meter Yearly examination Measure the insulating impedance among the main circuit PCB and case if it below 1M insulation is thought to be dam...

Page 32: ...ine damaged Change it 3A 4 The number on the display is not intact The LED in the display is broken Change the LED 5 The max and min value displayed doesn t accord with the set value The max value is...

Page 33: ...T module damaged Change it 12 The welding current displayed isn t accordant with the actual value The min value displayed isn t accordant with the actual value Please refer to 3 1 Adjust potentiometer...

Page 34: ...MAINTENANCE AND TROUBLESHOOTING 32 5 3 Electrical principle drawing...

Page 35: ...MAINTENANCE AND TROUBLESHOOTING 33...

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