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4.5 Welding Parameters

4.5.1 Joint forms in TIG/MMA

4.5.2 The explanation of welding quality

The relation of welding area color & protect effect of stainless steel

Welding area

color

Silver or

golden

blue

red-grey

grey

black

Protect effect

best

better

good

bad

worst

The relation of welding 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

1.0

9.5

1.6 or 2.4

11.1

3.2

Notice: the above parameters originate from

《

Welding Dictionary

》

P142, Volume 1 of Edition 2.

Welding current

range/A

DC positive connection

Gas nozzle diameter/mm

Gas flow rate/L·min

-1

～

100

～

9.5

～

Содержание ArcoTig HF200P

Страница 1: ......

Страница 2: ...ith 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: ... CONNECTION 11 3 5 POLARITY CONNECTION MMA 12 3 6 ASSEMBLING THE EQUIPMENT TIG 12 4 OPERATION 14 4 1 LAYOUT FOR THE PANEL 14 4 2 CONTROL PANEL 16 4 3 TORCH SWITCH CONTROL CURRENT 22 4 4 ARGON ARC WELDING OPERATION 22 4 4 1 TIG welding 4T operation 22 4 4 2 TIG welding 2T operation 23 4 5 WELDING PARAMETERS 25 4 5 1 Joint forms in TIG MMA 25 4 5 2 The explanation of welding quality 25 4 5 3 TIG Par...

Страница 4: ...ction 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 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 care when using the equipment in confine...

Страница 5: ...me Use enough ventilation and or exhaust at the arc to keep fumes and gases away from the breathing zone When 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 ve...

Страница 6: ...en welding or observing open arc welding Use suitable clothing 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: ...cause fire or explosion Remove fire hazards from the welding area If this is not possible cover them to prevent the welding sparks from starting a fire 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...

Страница 8: ...condition Always keep cylinders in an upright position securely chained to an undercarriage or fixed support Cylinders should be located Away from areas where they may be struck or subjected to physical damage A safe distance from arc welding or cutting 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 ...

Страница 9: ...around your body Make sure welding machine and power cable are as far away from the operator as possible according to the actual circumstance Connect the work cable to the workpiece as close as possible to the area being welded Persons with heart pacemakers should be away from the welding area ...

Страница 10: ...CU Digital control Digital display Preset all parameters with the hold process HF Lift TIG current down slope and up slope gas post flow Pulse Frequency Intelligent protection over voltage under voltage over current over heat Reduced weight of the machine improved mobility of the welder 1 For MMA polarity connection can be chosen according to different electrodes please refer to 3 5 2 For DC TIG D...

Страница 11: ... Pulse Width Modulation IGBT Insulation Gate Bipolar Transistor TIG Tungsten Insert Gas welding 2 2 Module Explanation HF High Frequency 200 Amperage P Pulse modulation 2 3 Working Principle The working principle of ArcoTig HF200P is shown as the following figure Single phase work frequency AC 110V 220V 50 Hz is rectified into DC about 380V then is converted to medium frequency AC about 40KHz by i...

Страница 12: ...perage Characteristic ArcoTig HF200P welding machine has an excellent volt ampere 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 67 34 10 0 600 I2 A U2 V Working point Volt ampere characteristic The relation between the c...

Страница 13: ...0A 30 160A 60 120A 100 100A 25 200A 60 130A 100 100A 30 200A 60 130A 100 100A No Load Voltage V 25V controlled Welding Current Range A 5 125 5 160 5 200 Pulse Frequency Hz 0 5 100 Pulse Width Range 5 100 Up Slope Time S 0 5 Down Slope Time S 0 5 Pre Flow S 0 1 Post Flow S 0 1 10 Efficiency 81 87 Power factor 0 98 Net Weight Kg 8 2 Dimensions mm 465 120 240 Protection Class IP23 Insulation Class F ...

Страница 14: ...the handle on the top of the welder Place the welder carefully when moving it to the right position When the machine gets to the destination it needs to be secured to prevent movement Movement may result in the potential danger or substantive hazard so please make sure that the machine is in a safe position before using it 3 4 Power supply input connection ArcoTig HF200P welding machines power sup...

Страница 15: ...ectrodes Please refer to the electrode manual 3 6 Assembling the equipment TIG ArcoTig HF200P Workpiece is connected to the positive electrode of welding machine and welding torch is connected to the negative electrode which is called DC NEGATIVE CONNECTION Generally it is usually operated in DC NEGATIVE CONNECTION in TIG welding mode ...

Страница 16: ...orch such as tungsten electrode tip gas nozzle electrode shield short long please contcat Arcoweld or your distributor according to the accessory codes When ArcoTig HF200P welding machines are operated in HF ignition method the ignition spark can cause interferences in equipment near the welding machine Be sure to take specially safety precautions or shielding measures ...

Страница 17: ...HF200POPERATION ThelayoutoftheFrontPanel 1 OverCurrentLight 2 DigitalDisplay 3 AmperageAdjustment 4 GasOutlet 5 NegativePolarityOutput 6 HighTemperatureLight 7 ModeSetting 8 PositivePolarityOutput ...

Страница 18: ...HF200POPERATION ThelayoutoftheBackPanel 9 PrimaryPowerLead 10 MachineOn OffSwitch ...

Страница 19: ...d 4T_LIFT TIG Lifting arc long welding function 2T_LIFT TIG Lifting arc short welding function 4T_HF TIG HF striking arc long welding function 2T_HF TIG HF striking arc short welding function MMA MMA function Ⅲ Operations 1 MMA parameters adjustment Adjust the welding mode selection switch to MMA function In MMA mode only three parameters welding current hot start arc force can be adjusted MMA par...

Страница 20: ...lection switch selects MMA mode press the selection knob Step two Adjust the selection knob and select the arc force LED L13 is on Press the selection knob again the arc force LED L13 is flashing It means the arc force can be adjusted Step three If the adjustment is completed press the selection knob and confirm the parameter Or the system will confirm the parameter automatically after 3 seconds W...

Страница 21: ...he selection knob Adjust the selection knob and select the pre flow time LED L1 is on Press the selection knob again the pre flow time LED L1 is flashing It means the pre flow time can be adjusted If the adjustment is completed confirm the parameter by pressing the selection knob or the system will confirm the parameter automatically after 3 seconds Operation flow as follows Step one Welding mode ...

Страница 22: ...switch select TIG 4T or 2T Press the selection knob Step two Adjust the selection knob and select the output pulse LED L11 is on press the selection knob again the pulse LED L11 is flashing It means the output pulse function can be turned on or turned off Step three Press the selection knob again the output pulsed conditions transform by ON into OFF or transform by OFF into ON If the adjustment is...

Страница 23: ...ht L11 is off All preset parameters with hold function If the parameter indicator lights up then the selected parameter can be altered on adjusting dial Available parameters where 2T and 4T mode have been selected Gas pre flow time Unit S Setting range 0 1 1 Factory setting Starting current only with 4T Unit A Setting range 5 100 of main current Iw Factory setting Upslope time Unit S Setting range...

Страница 24: ... Important Only selectable when pulse key has been pressed Pulse frequency Unit Hz Setting range 0 5 100 Factory setting Important Only selectable when pulse key has been pressed Downslope time Unit S Setting range 0 5 Factory setting Crater arc current only with 4T Unit S Setting range 5 100 of main current Iw Factory setting Gas post flow time Unit S Setting range 0 1 10 Factory setting ...

Страница 25: ...the switch Repress down the switch Start current Crater current Welding current peak current setting value Press and hold the welding gun switch Introduction 0 Press and hold the Torch switch Electromagnetic gas valve is turned on The shielding gas starts to flow 0 t1 Pre flow time adjustment range of pre flow time 0 1 1 0S t1 Striking success adjustment range of start current 5 200A t2 Release th...

Страница 26: ...e adjustment range of post flow time 0 1 10 0S t7 Electromagnetic valve is closed and argon stops flowing Welding is finished 4 4 2 TIG welding 2T operation Pulsed TIG short welding 2T t s 0 I A Loosen the welding gun switch Press and hold the welding gun switch t1 t5 Striking success Stop arc t3 t4 Base current setting value t2 Welding current peak current setting value 5A Introduction 0 Press an...

Страница 27: ...tungsten clipping MMA operation if the electrode touches workpiece over two seconds the welding current will drop to the 0 automatically to protect the electrode Retains arc function Even if arc break occurs the HF will keep the arc stable Notices Check the condition of welding and connection units firstly otherwise there will be a malfunction such as ignition spark gas leakage out of control and ...

Страница 28: ...elding 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 parameters originate from Welding Dictionary P14...

Страница 29: ... 0 1 6 5 20 50 66 1 0 Butt joint 1 6 1 6 5 50 80 56 1 5 Butt joint 1 6 1 6 7 65 105 30 1 5 Corner joint 1 6 1 6 7 75 125 25 2 4 Butt joint 1 6 2 4 7 85 125 30 2 4 Corner joint 1 6 2 4 7 95 135 25 3 2 Butt joint 1 6 2 4 7 100 135 30 3 2 Corner joint 1 6 2 4 7 115 145 25 4 8 Butt joint 2 4 3 2 8 150 225 25 4 8 Corner joint 3 2 3 2 9 175 250 20 Notice the above parameters originate from Welding Dicti...

Страница 30: ... 5 Do not touch the output electrode with any part of your body Before operation only persons relevant to the operation should be present Do not watch the arc in unprotected eyes 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 do not restart unit until...

Страница 31: ...there is any difference and it has affected the normal welding craft please adjust it Check whether fan is damaged and is normal to rotate or control If the fan is damaged please change immediately If the fan does not rotate after the arc welding machine is overheated observe whether there is something blocking the blade If it s blocked please remove If the fan does not rotate after removing objec...

Страница 32: ...rce and the power lamp is on but fan doesn t work There is something in the fan Clear out The start capacitor of fan damaged Change capacitor The fan motor is damaged Change fan 3 Turning on the power source the power lamp is not on and fan doesn t work No power supply input Check whether there is power supply The fuse inside the machine damaged Change it 10A 4 The number on the display is not int...

Страница 33: ...potentiometer on the front panel connection is not good or damaged Repair or change the potentiometer 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 Imin on the power board The max value displayed isn t accordant with the actual value Please refer to 3 1 Adjust potentiomet...

Страница 34: ...31 5 3 Electrical principle drawing ...

Страница 35: ...d Leads 1 year 1 year ArcoMig Inverters Power source 3 years 3 years MIG torch Electrode holders and work leads 3 Months 3 Months Mig torch consumable items Nil Nil Gas regulator flowmeter excluding seat assemblies pressure gauges elastomer seals and O rings 1 year 1 year Regulator seat assemblies and pressure gauges 6 Months 6 Months Elastomer seal and O rings used in the equipment 3 Months 3 Mon...

Страница 36: ... 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 time provid...

Страница 37: ...ssociated 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 in ad...

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