Arcoweld ArcoMiG LCD 250C Скачать руководство пользователя страница 9 | Manualshive

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SUMMARY

9

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Route the electrode and work cables together – Secure them with tape when possible.

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All cables should be put away and far from the operator.

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Never coil the power cable around your body.

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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.

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Содержание ArcoMiG LCD 250C

Страница 1: ...I ...

Страница 2: ...you 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: ...CONTENT III ...

Страница 4: ...he 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 confined spaces at heights and in wet environments Alw...

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 ...

Страница 8: ...ylinders 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 cylinder Keep your head and face away from the cylinder valve outlet when opening the cylinder valve Valve pro...

Страница 9: ... the operator Never coil the power cable 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: ... Correction which increases the electrical efficiency of the machine The machine comes complete with protection safeguards such as overvoltage over current over heating and so on Those functions obviously improve the stability and security of the welding machine The panel combines two kinds of control modes making it easy for user to operate MCU control system responds immediately to any changes T...

Страница 11: ...er fast recovery diode and is outputted by inductance filtering The circuit adopts current feedback control technology to insure current output stably Meanwhile the welding current parameter can be adjusted continuously and steplessly to meet with the requirements of welding craft Rectify Inverter Medium frequency transformer Medium frequency rectify Hall device Current positive feedback control D...

Страница 12: ...SUMMARY 12 67 34 10 0 600 I2 A U2 V Working point Volt ampere characteristic The relation between the conventional loading voltage and welding current ...

Страница 13: ...nt A 32 6A 24 8A 31 4A 22 9A 40 17 1A 40 25 3A 40 18 1A 25 13 5A 25 20A 25 Input Power KW 3 6KW 2 7KW 3 4KW 7 7KW 5 9KW 8 6KW Welding Current A 10A 140A 10A 140A 10A 110A 10A 250A 10A 250A 10A 250A No load Voltage V 45V adjustable Duty cycle 40 10min 140A100 140A 100 110A 100 250A 40 195A 60 158A 100 250A 40 195A 60 158A 100 250A 40 195A 60 158A 100 250A 25 165A 60 130A 100 250A 25 165A 60 130A 10...

Страница 14: ...0 1 2 1 6 Flux 0 9 1 0 1 2 1 6 Electrode Type Insulation class F Dimensions mm 615 280 480 Weight Kg 22 0 3 2 Duty cycle Overheat The letter X stands for duty cycle which is defined as the proportion of the time that a machine can work continuously within a certain time 10 minutes The rated duty cycle means the proportion of the time that a machine can work continuously ...

Страница 15: ...en 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 ArcoMig 250C welding machines power supply connects to 220V When the power supply voltage is over the safe...

Страница 16: ...e manual 3 6 Assembling the equipment TIG 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 The control cable of torch switch consists of 2 wires UP DOWN control of 3 wires and the ...

Страница 17: ...zzle electrode shield short long please contcat Arcoweld or your distributor according to the accessory codes When ArcoMig 250C welding machines are operated in HF ignition method the ignition spark can cause interferences in equipment near the welding machine Be sure to take special safety precautions or shielding measures ...

Страница 18: ...e gas input pipe of torch 9 Aero socket Is connected to torch switch control wire It has 14 leads and lead 8 lead 9 are connected to torch switch control wire 10 Negative output The welder s negative polarity output 11 Shield gas input joint To connect one head of the gas hose while the other head of which is connected to argon gas cylinder 12 Power source switch Switch to ON the welder is turned ...

Страница 19: ...NANCE TROUBLESHOOTING 19 13 Power source input To connect power source 14 Fan When the electric welding machine is over heat the fan operates It is used for cooling the components and parts inside the welder ...

Страница 20: ...MAINTENANCE TROUBLESHOOTING 20 4 2 Control panel Current and wire feeding speed adjusting knob Control knob LCD Display Voltage down slope arc force adjusting knob Inductance adjusting knob ...

Страница 21: ...n In the mode of MMA it is used to adjust the welding current in the state of MIG it is used to regulate the wire feeding speed The range of the current and speed are displayed in the table 2 The LCD display According to the different welding stat this displayer will display the state of the working and the related setting parameters For example in the state of MMA when the user sets the related p...

Страница 22: ...eft the corresponding page will jump to the right or left When pressing the knob the page jump into the lower page For example when in the state of MMA knob rotation and page jump show in the figure below ARC force Process weldway Diameter Thickness Electrode Setting welding current Display the setting current Setting arc force The actual current and voltage display ...

Страница 23: ...own slope and arc force In the different mode of welding this knob has different function 1 In the mode of MMA it can adjust the arc force the range is 0 10 2 In the mode of TIG it can adjust the time of down slope 3 In the mode of MIG it can adjust the welding voltage the range is 10 25V 5 The knob of the inductance The button is used for adjusting the output inductance the range is 0 10 so as to...

Страница 24: ... 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 250A 315A t2 Release the torch switch the output current slopes up...

Страница 25: ...p arc t3 t4 Base current setting value t2 Welding current peak current setting value 5A Introduction 0 Press and hold the gun 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 t2 Striking success the output current slopes up to the setting current from minimum current 5A if the output pulse function is tu...

Страница 26: ... current will drop to the 0 automatically to protect the electrode Prevent arc break function TIG operation Avoid arc break with special means 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 malfunction such as ignition spark gas leakage out of control and so on Check that whether there is enough A...

Страница 27: ... 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 4 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 W...

Страница 28: ...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 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...

Страница 29: ...efully before attempting to use this equipment Connect the ground wire with the machine directly and refer to 3 5 Parameters of piping back sealing welding for mild steel DCEP Piping diameter Φ 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 9...

Страница 30: ...ration no concerned people should be left 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 it until problem is resolved Otherwise the range of problem may be extended ...

Страница 31: ...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 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 overheate...

Страница 32: ... 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 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 not accordant refer to 3 1 Adjust potentiometer Imin on t...

Страница 33: ...ration 12 The alarm lamp on the front panel is on Overheat protection Two much welding 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 tim...

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

Страница 35: ...ticular Purpose 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 ...

Страница 36: ...oreseeable loss 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 t...

Страница 37: ...248 3188 All costs 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 warran...

Страница 38: ...MAINTENANCE TROUBLESHOOTING 38 ...

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