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INSTALLATION AND ADJUSTMENT

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3.6 Assembling the equipment (TIG)

(ArcoTig 250W/315W ACDC)

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Содержание ArcoTiG HF 315 AC/DC

Страница 1: ... ...

Страница 2: ...with dependable service and our extensive range of first class products Our range can be viewed at https arcoweld com au For support please contact your Authorised distributor or Arcoweld directly T 61 8 9248 3188 F 61 8 9248 3166 93 Mulgul Road MALAGA WA 6090 PO Box 3087 MALAGA DC WA 6945 Email info arcoweld com au Website www alloysteel net ...

Страница 3: ...N MMA 15 3 6 ASSEMBLING THE EQUIPMENT TIG 15 4 OPERATION 16 4 1 LAYOUT FOR THE PANEL 16 4 2 CONTROL PANEL 20 4 3 REMOTE CONTROL 26 4 3 1 Pedal switch control 26 4 3 2 Torch switch control current 27 4 4 ARGON ARC WELDING OPERATION 27 4 4 1 TIG welding 4T operation 27 4 4 2 TIG welding 2T operation 29 4 5 WELDING PARAMETERS 31 4 5 1 Joint forms in TIG MMA 31 4 5 2 The explanation of welding quality...

Страница 4: ... electrolytic capacitors ELECTRIC SHOCK CAN KILL Never touch electrical parts Wear dry hole free gloves and clothes to insulate yourself Insulate yourself from work and ground using dry insulation Make certain the insulation is large enough to cover your full area of physical contact with work and ground Take carefully when using the equipment in confined spaces at heights and in wet environments ...

Страница 5: ...en welding 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 as low as possible and below Threshold Limit Values using local exhaust or mechanical ventilation In confined spaces or in some circumstances outdoors a respirator may be required Additional prec...

Страница 6: ...ng made from durable flame resistant material to protect your skin and that of your helpers from the arc rays Protect other nearby personnel with suitable non flammable screening and or warn them not to watch the arc nor expose themselves to the arc rays or to hot spatter or metal ...

Страница 7: ...Remember that welding sparks and hot materials from welding can easily go through small cracks and openings to adjacent areas Avoid welding near hydraulic lines Have a fire extinguisher readily available Where compressed gases are to be used at the job site special precautions should be used to prevent hazardous situation When not welding make certain no part of the electrode circuit is touching t...

Страница 8: ...tting operations and any other source of heat sparks or flame Never allow the electrode electrode holder or any other electrically hot parts to touch a cylinder Keep your head and face away from the cylinder valve outlet when opening the cylinder valve Valve protection caps should always be in place and hand tight except when the cylinder is in use or connected for use 1 3 The knowledge of Electri...

Страница 9: ...s high frequency and high voltage for arc ignition consistency ARCOTIG 3 CHARACTERISTICS MCU control system responds immediately to any changes High frequency and high voltage for arc igniting to ensure the success ratio of igniting arc the reverse polarity ignition ensures good ignition behavior in TIG AC welding Avoid AC arc break with special means even if arc break occurs the HF will keep the ...

Страница 10: ...olten pool has short time in high temperature status and freezes quickly which can reduce the possibility of hot cracking 2 The workpiece stays cooler Arc energy is focused Suitable for thin sheet and super thin sheet welding 3 Exactly control heat input and the size of the molten pool The depth of penetration is consistent Suitable for welding by one side and forming by two sides and all position...

Страница 11: ...k frequency AC is rectified into DC about 530V 3 phase 220V work frequency AC is rectified into DC about 310V then is converted to medium frequency AC about 20K Hz by inverter device IGBT module after reducing voltage by medium transformer the main transformer and rectifying by medium frequency rectifier fast recovery diodes then is outputted DC or AC by selecting IGBT module The circuit adopts cu...

Страница 12: ...250W 315W AC DC welding machines have an excellent volt amperage characteristic whose graph is shown 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 50 34 10 0 600 I2 A U2 V Working point Volt ampere characteristic The relation between the conventional loadi...

Страница 13: ... 6 5 DC 9 1 AC 8 9 DC 9 7 AC 9 0 DC 10 8 AC 9 7 DC 9 1 AC 8 7 DC 10 2 AC 9 7 DC Max no load voltage V 50 50 adjustable TIG MMA TIG MMA AC DC AC DC AC DC AC DC REC SIN TRI REC SIN TRI REC SIN TRI REC SIN TRI range of start current A 10 250 30 140 30 165 5 250 10 250 30 140 30 165 5 250 10 315 30 140 30 165 5 315 10 315 30 170 30 200 5 315 range of welding current A 10 250 30 140 30 165 5 250 10 250...

Страница 14: ...the time that a machine can work continuously within 10 minutes when it outputs the rated welding current If the welder is overheating the IGBT over heat protection unit inside it will output an instruction to cut output welding current 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...

Страница 15: ...nder voltage protections inside the welder the alarm light will be activated at the same time the current output will be cut off If the power supply voltage continually goes beyond the safe work voltage range it will shorten the welder s lifespan 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 Reduce th...

Страница 16: ...INSTALLATION AND ADJUSTMENT 16 3 6 Assembling the equipment TIG ArcoTig 250W 315W ACDC ...

Страница 17: ...enerally it is usually operated in DC POSITIVE CONNECTION 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 gas nozzle electrode shield short long please enquire us by mail or phone according to the accessory codes When the welding machines are operated in...

Страница 18: ...nect GasOutlet 10 14PinTig PlugConnection 13 AmperageAdjustment 14 50mmNegative DinseFemale 12 QuickConnect BlueWater CoolingFemale 11 QuickConnect RedWater CoolingFemale 18 Voltage Frequency Hz Display 15 NextStep FunctionTigSettings 2 Water Cooling Gas CoolingFunction 3 2T 4TTrigger 4 GasPurge 5 HighFrequencyTig 6 PulseFunction 17 WaveformControl 16 AC DCFunction ...

Страница 19: ...AND TROUBLESHOOTING 19 HF315AC DCOPERATION ThelayoutoftheBackPanel 19 On OffSwitch 20 PrimaryPowerLead 24 Remoteamphenolplug 23 QuickConnectGasFItting 22 QuickConnectBlue CoolingHose 21 QuickConnectRedCooling Hose ...

Страница 20: ...m indicator 11 Welding voltage other parameter display 9 Rod electrode welding key 12 Welding current display 4 HF high frequency i i i k 5 Pulse key 6 Parameter selection key 7 Parameter selection key 8 Adjusting dial 1 Waveform Control Water cooling and gas cooling selecting key ...

Страница 21: ...ing key 2 step mode 4 step mode 3 Gas test key Lights up when Gas test key is pressed after that gas will flow out for 15s Press the key again to stop the gas flow before the 15s are up 4 HF high frequency ignition key Lights up when High frequency key is pressed HF high frequency ignition has been selected 5 Pulse key Lights up when Pulse key is pressed Pulse has been selected 6 and 7 Parameter s...

Страница 22: ...ent Iw SIN 30 100 of main current Iw TRI 30 100 of main current Iw DC 5 100 of main current Iw Factory setting 5 Upslope time Unit S Setting range 0 10 Factory setting 0 Welding current Unit A Setting range WSME 250W WSME 315W REC 10 250 10 315 SIN 30 140 30 170 TRI 30 165 30 200 DC 5 250 5 315 Base current Unit A Setting range 25 Iw 100 of main current Iw Important Only selectable when pulse key ...

Страница 23: ...ry setting 0 Crater arc current only with 4T Unit A Setting range 250W 315W REC 10 250 10 315 SIN 30 140 30 170 TRI 30 165 30 200 DC 5 250 5 315 Factory setting 5 Gas post flow time Unit S Setting range 1 10 0 Factory setting 3 AC frequency only with TIG AC Unit Hz Setting range 50 250 Iw 124A 50 210 124A Iw 155A 50 160 155A Iw 186A 50 110 186A Iw 217A 50 75 217A Iw Balance only with TIG AC Balanc...

Страница 24: ...ther 11 Welding voltage other parameter display Indicates the welding voltage or other parameter Before the start of welding the right hand display shows the pre set value of Tpr Tup Dcy Fp Tdown andTpo There is a 3s time lag open circuit voltage is displayed after adjusting those parameters After the start of welding the right hand display shows the present actual value of the welding voltage Lig...

Страница 25: ...value of the welding current The control panel indicates which position has been reached in the welding process by brightening the light 13 Selection of arc start way in AC mode a AC arc start 1 ON 2 OFF 3 OFF b DC arc start 1 OFF 2 OFF 3 OFF NOTE Only Parameter selection keys and Adjusting dial can be used in the welding process Only Rod electrode welding key Adjusting dial and AC DC selecting ke...

Страница 26: ...e remote box can be used Torch switch control current can be used both ON and OFF 4 3 1 Pedal switch control Plug into the fourteen lead aero socket of pedal switch Welder will identify the pedal switch the welding current knob on the front panel will can t use and only 2T can be selected Set adjustment knob to max current on pedal and use pedal to provide amperage required The eighth and ninth of...

Страница 27: ...nt can be pre set This function can compensate the possible crater that appears at the beginning and end of the welding Thus 4T is suitable for the welding of medium thickness plates Introduction Connected to the 14 lead aero socket on the front panel Pedal control Torch switch Adjust current button when it s pushed up the current increases when it s pushed down the current decreases ...

Страница 28: ...switch is released Note Select the pulsed output the base current and welding current will be outputted alternately otherwise output the setting value of welding current t4 Press the torch switch again the welding current will drop in accordance with the selected down slope time t4 t5 The output current slopes down to the crater current The downslope time can be adjusted t5 t6 The crater current t...

Страница 29: ... welding current t2 t3 During the whole welding process the torch switch is pressed and held without releasing Note Select the pulsed output the base current and welding current will be outputted alternately otherwise output the setting value of welding current t3 Release the torch switch the welding current will drop in accordance with the selected down slope time t3 t4 The current drops to the m...

Страница 30: ...rrent will get back Notices Check the condition of welding and connection units firstly otherwise there will be malfunction such as ignition spark gas leakage out of control and so on Check whether there is enough Argon gas in the shield gas cylinder you can test the electromagnetic gas valve through the switch on the front panel Do not let the torch aim at your hand or your body When you press th...

Страница 31: ... area color protect effect of Ti alloy Welding area color bright argent orange yellow blue purple caesious white powder of titanium oxide Protect effect best better good bad worst 4 5 3 TIG Parameters Matching The corresponding relationship between gas nozzle diameter and electrode diameter Gas nozzle diameter mm Electrode diameter mm 6 4 0 5 8 1 0 9 5 1 6 or 2 4 11 1 3 2 Notice the above paramete...

Страница 32: ...rrent 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 of stainless steel single run welding Workpiece thickness mm Joint form tungsten electrode diameter mm welding wire diameter mm Argon gas flow rate L min 1 welding current DCEP Welding speed cm min 1 0 8 Butt joint 1 0 1 6 5 20 50 66 1 0 Butt joint 1 6 1 6 5 50 80 56...

Страница 33: ...2 V groove butt welding Parameters of piping back sealing welding for mild steel DCEP Piping diameterΦ mm Tungsten electrode diameter mm Gas nozzle diameter mm Welding wire diameter mm Welding current A Arc voltage V Argon flow rate L min 1 Welding rate cm min 1 38 2 0 8 2 75 90 11 13 6 8 4 5 42 2 0 8 2 75 95 11 13 6 8 4 5 60 2 0 8 2 75 100 11 13 7 9 4 5 76 2 5 8 10 2 5 80 105 14 16 8 10 4 5 108 2...

Страница 34: ...inate from Welding Dictionary P538 Volume 2 of Edition 2 4 6 Operational Environment Height above sea level is below 1000m Operation temperature range 100C 400C Relative humidity is below 90 200C relative humidity is below 50 400C The inclination of the power source does not exceed 100 Protect the machine against heavy rain or in hot circumstances against direct sunshine The content of dust acid c...

Страница 35: ...d in the welding process should be present and must have eye protection to prevent ray damage Ensure good ventilation of the machine to improve duty ratio Turn off the engine when the operation finished to economize energy source When power switch shuts off protectively because of failure Don t restart it until problem is resolved Otherwise the range of problem will be extended ...

Страница 36: ...resent If there is an issue such as this please contact local this area agent or the branch company Observe whether the display value of LED is intact If the display number is not intact please replace the damaged LED If it still doesn t work please maintain or replace the display PCB Observe whether the min max value on LED accords with the set value If there is any difference and it has affected...

Страница 37: ...ory they have already been debugged accurately Maintenance must be conducted carefully If any wire becomes flexible or is misplaced it may cause danger to user Only professional maintenance personal who are authorized should overhaul the machine Always turn off the power source and input power before working on the unit If there is a problem please contact authorized repairer of distributor If the...

Страница 38: ...ark on the HF igniting board The HF igniting board does not work Repair or change Pr8 The malfunction of the welding torch switch Check the welding torch switch control cable and aero socket 8 No gas flow TIG Gas cylinder is closed or gas pressure is low Open or change the gas cylinder Something in the valve Remove it Electromagnetic valve is damaged Change it 9 Gas flows continuously The gas test...

Страница 39: ...elding current Reduce the welding current output Working time too long Reduce the duty cycle work intermittently Over voltage protection Power supply fluctuates Using the stable power supply Low voltage protection Power supply fluctuates Using the stable power supply Too many machines using power supply in the same time Reduce the machines using power supply in the same time Over current protectio...

Страница 40: ...40 5 3 Electrical principle drawing ...

Страница 41: ...e Limitation of Liability Arcoweld Shall Not Under Any Circumstances Be Liable for Special Indirect or Consequential Damages Such As But Not Limited To Lost Profits and Business Interruption The remedies of the Purchaser set forth herein are exclusive and the liability of Arcoweld with respect to any contract or anything done in connection therewith such as the performance or breach thereof or fro...

Страница 42: ...s or damage You are also entitled to have the goods repaired or replaced if the goods fail to be of acceptable quality and the failure does not amount to a major failure Note No employee agent or representative of Arcoweld is authorized to change this warranty in any way or grant any other warranty and Arcoweld shall not be bound by any such attempt Correction of nonconformities in the manner and ...

Страница 43: ...osts associated with lodging the warranty claim including the return of goods to Arcoweld or our Nominated Accredited Distributor Accredited Service Provider are the responsibility of the consumer Arcoweld A B N 98 094 428 887 T 61 8 9248 3188 F 61 8 9248 3166 93 Mulgul Road MALAGA WA 6090 PO Box 3087 MALAGA DC WA 6945 Email info arcoweld com au Website www alloysteel net This warranty is provided...

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