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2014

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TIG 320 AC/DC

INVERTER AC/DC PULSED TIG WELDER

IMPORTANT:

Read this Owner’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.

OPERATOR’S MANUAL

Содержание TIG 320 AC/DC

Страница 1: ...nual 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 8: ...cess ratio of igniting arc TIG 320 400 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 igni...

Страница 9: ...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 thin...

Страница 10: ...hree phase 380V work frequency AC is rectified into DC about 312V then is converted to medium frequency AC about 20KHz by inverter device IGBT module after reducing voltage by medium transformer the m...

Страница 11: ...hown 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...

Страница 12: ...0 65 0 70 no load voltage V 61 67 Adjustment range of start current A 10 welding current 10 welding current Adjustment range of welding current A 10 320 10 400 Adjustment range of downslope time S 0...

Страница 13: ...nt and brighten the over heat pilot lamp on the 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...

Страница 14: ...age continually goes beyond the safe work voltage 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...

Страница 15: ...CTION 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...

Страница 16: ...ds 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 is turned on while swit...

Страница 17: ...INSTALLATION AND ADJUSTMENT 15 4 2 Control panel...

Страница 18: ...INSTALLATION AND ADJUSTMENT 16...

Страница 19: ...range 0 0 2 0 Is Starting current only with 4T Unit A Setting range 10 320 TIG 320 10 400 TIG 400 Tup Upslope time Unit S Setting range 0 0 10 Ip Welding current Unit A 10 320 TIG 320 10 400 TIG 400 I...

Страница 20: ...with 4T Unit S Setting range 10 320 TIG 320 10 400 TIG 400 Tpo Gas post flow time Unit S Setting range 0 10 AC frequency only with TIG AC Unit Hz Setting range 50 250 Balance only with TIG AC Balance...

Страница 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...

Страница 22: ...ng value of start current t2 Loosen the gun switch 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...

Страница 23: ...d hold it Electromagnetic gas valve is turned on The shielding gas stars to flow 0 t1 Pre gas time 0 1 1s t1 t2 Arc is ignited and the output current rises to the setting welding current Iw or Ib from...

Страница 24: ...e TIG torch is pressed quickly the welding current 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 connecti...

Страница 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...

Страница 26: ...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 of stainless steel single run welding Workpiece thickness mm Joint form tungsten electrode diameter m...

Страница 27: ...20 14 16 Parameters of piping back sealing welding for mild steel DCEP Piping diameter mm Tungsten electrode diameter mm Gas nozzle diameter mm Welding wire diameter mm Welding current A Arc voltage...

Страница 28: ...s originate from Welding Dictionary P538 Volume 2 of Edition 2 4 6 Operation Environment Height above sea level is below 1000m Operation temperature range 100 C 400 C Relative humidity is below 90 200...

Страница 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...

Страница 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...

Страница 31: ...early examination Measure the insulating impedance among the main circuit PCB and case if it below 1M insulation is thought to be damaged and need to change and need to change or strengthen insulation...

Страница 32: ...lue The max value is not accordant refer to 3 1 Adjust potentiometer Imin on the power board The min value is not accordant refer to 3 1 Adjust potentiometer Imaxin the current meter 6 No no load volt...

Страница 33: ...played isn t accordant with the actual value Please refer to 3 1 Adjust potentiometer Imin on the power board The max value displayed isn t accordant with the actual value Please refer to 3 1 Adjust p...

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

Страница 35: ...MAINTENANCE AND TROUBLESHOOTING 33...

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