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SanRex SANMIG 200MF, Operator'S Manual, Page: 1 / 37

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SanRex SANMIG 200MF Operator'S Manual Download Page 1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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8.850.142 

 

2018.9.20 

 

 

 

 

 

SANMIG 200MF 

INVERTER DC MIG 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

 

Summary of Contents for SANMIG 200MF

Page 1: ...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 ...

Page 2: ... SUPPLY INPUT CONNECTION 15 3 5 POLARITY CONNECTION MMA 15 3 6 ASSEMBLING THE EQUIPMENT TIG 16 4 OPERATION 18 4 1 LAYOUT FOR THE PANEL 18 4 2 CONTROL PANEL 21 4 3 ARGON ARC WELDING OPERATION 25 4 3 1 TIG welding 4T operation 25 4 3 2 TIG welding 2T operation 26 4 4 WELDING PARAMETERS 27 4 4 1 Joint forms in TIG MMA 27 4 4 2 The explanation of welding quality 28 4 4 3 TIG Parameters Matching 28 4 5...

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 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 t...

Page 4: ...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 precaut...

Page 5: ...ore 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 have been eliminated WELDING SPARKS can 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 Rememb...

Page 6: ...e 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 operating regulators designed for the gas and pressure used All hoses fittings etc should be suitable for the application and maintained in good condition Always keep cylinders in an upright position ...

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 should be put away and far from the operator Never coil the power cable around your body Make sure welding machine and power cable to be far away from the operator as far as possible according to the...

Page 8: ...to improve the efficiency of the power supply this machine is using ZVS technology and the phase shifting control the average current control mode makes the efficiency and power factor of the power supply had a remarkable improvement At the same time this machine can realize three welding patterns such as MMA MIG TIG so it can satisfy all kinds of welding SANMIG 200MF Characteristics The ZVS soft ...

Page 9: ...ch is also applied to pipe installment mould mend petrochemical architecture decoration car repair bicycle handicraft and common manufacture MMA Manual Metal Arc welding PWM Pulse Width Modulation IGBT Insulation Gate Bipolar Transistor TIG Tungsten Insert Gas welding 2 2 Module Explanation SAN MIG 200MF MIG Max current 200A LCD display Soft switching technology 2 3 Working Principle The working p...

Page 10: ...uency transformer Medium frequency rectify Hall device Current positive feedback control DC AC DC AC DC 220V 50HZ Single phases AC 2 4 Volt Ampere Characteristic SANMIG 200MF 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 Whe...

Page 11: ...allation and Adjustment 3 1 Parameters model Parameters SANMIG 200MF MIG TIG MMA Input Voltage V 1 115 15 1 230 15 Input Current A 33 4 26 1 24 0 20 3 27 8 30 2 Input Power KW 3 9 5 7 2 9 4 5 3 4 6 7 Welding Current A 10 140 10 140 10 110 ...

Page 12: ...ltage V 10 26 No load Voltage V 45 controlled Duty cycle 40 10min 35 140A 60 115A 100 100A 60 140A 100 115A 50 110A 60 95A 100 85A 25 200A 60 140A 100 100A 25 200A 60 140A 100 100A 25 200A 60 140A 100 100A Efficiency 75 84 76 81 79 84 Power Factor 0 99 Cooling AF ...

Page 13: ...class IP23 Electrode Diameter Fe 0 6 0 8 0 9 1 0 Al 0 9 1 0 Flux 0 9 self shield 1 0 1 2 Insulation class F Dimensions mm 469 223 421 Weight Kg 17 8 MIG GMAW 115V 208V 230V 33 4 27 5 24 9 19 8 13 8 12 4 STICK SMAW 115V 208V 27 8 31 5 19 6 15 7 ...

Page 14: ...MAINTENANCE TROUBLESHOOTING 12 230V 28 1 14 0 TIG GTAW 115V 208V 230V 24 0 22 4 19 6 18 6 11 2 9 8 ...

Page 15: ...MAINTENANCE TROUBLESHOOTING 13 3 2 Duty cycle Over heat ...

Page 16: ...el 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 placement Please take care for the welder when moving it and do not make it sloped It also can be moved by the handle on the top of the welder Place the welder well when moving it to the right position When the...

Page 17: ...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 machines using power supply in the same time Set the voltage stabilization device in the front of power cable input 3 5 Polarity Connection MMA MMA DC Choosing the connection of DCEN or DCEP according t...

Page 18: ...kpiece DC POSITIVE CONNECTION torch real panel front panel Argon gas cyclinder Gas hose Shield gas input joint Shield gas connector Aero socket Return current cable Control cable of torch switch pipe Negative output Positive output Welding cable SANMIG 200MF SANMIG 200MF ...

Page 19: ... 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 TP series welding machines are operated in HF ignition method the ignition spark can cause interfere...

Page 20: ...MAINTENANCE TROUBLESHOOTING 18 4 Operation 4 1 Layout for the panel ...

Page 21: ...MAINTENANCE TROUBLESHOOTING 19 SANMIG 200MF 6 MIG gun quick connector The MIG welder s positive polarity output 7 Positive output The welder s positive polarity output ...

Page 22: ...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 on while switch to OFF the welder is turned off 13 Power source input To connect power source 14 Fan When the electric welding machine is over heat the fan operates It is used fo...

Page 23: ...MAINTENANCE TROUBLESHOOTING 21 4 2 Control panel Voltage down slope arc force adjusting knob Current and wire feeding speed adjusting knob Control knob LCD Display Inductance adjusting knob ...

Page 24: ...peed adjusting knob In different mode of welding this button has diverse function 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 set...

Page 25: ... mainly used for switching and confirm the page When shifting the button right or left 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 weldway Diameter Thickness electrode Setting welding current Display the setting current Setting arc f...

Page 26: ...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...

Page 27: ...ss 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 Striking success adjustment range of start current 5 250A 315A t2 Loosen the gun switch the output current slopes up from start current t2 t3 Output current slopes up to the setting current value adjustment range of up slope time 0 10 0...

Page 28: ...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 t2 t3 During the whole welding process the gun switch is pressed and held without releasing t3 Loosen the gun switch the output current slopes down t3 t4 The output current slopes down to minimum current 5A stop arc adju...

Page 29: ...n 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 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 else of your body When you press the torch switch the arc is ignited...

Page 30: ...tect 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 Welding Dictionary P142 Volume 1 of Edition 2 Welding current range A DC positive connection Gas nozzle diameter mm Gas flo...

Page 31: ...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 Dictionary P150 Volume 1 of Edition 2 Parameters of piping back sealing welding for mild steel DCEP Piping diameter Φ mm Tungsten...

Page 32: ...ire with the machine directly and refer to 3 5 In case closing the power switch no load voltage may be exported 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 improve duty ratio Turn off the engine when the operation finished to economize energy sourc...

Page 33: ...ly Please get in touch with maintenance service department if there are no accessories After 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 find out the reason Please contact local this area agent or the branch company Observe that whether the displ...

Page 34: ... adjusted plier type ampere meter Yearly examination Measure the insulating impedance among the main circuit PCB and case if it below 1MΩ insulation is thought to be damaged and need to change and need to change or strengthen insulation 5 2 Troubleshooting Before arc welding machines are dispatched from the factory they have already been debugged accurately So forbid anyone who is not authorized b...

Page 35: ...ltage output MMA The machine is damaged Check the main circuit and the Pr4 7 No gas flow TIG Gas cylinder is close or gas pressure is low Open or change the gas cylinder Something in the valve Remove it Electromagnetic valve is damaged Change it 8 Gas always flows The gas test on the front panel is on The gas test on the front panel is off Something in the valve Remove it Electromagnetic valve is ...

Page 36: ... 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 protection Unusual current in the main circuit Check and repair the main circuit and drive Pr6 ...

Page 37: ...MAINTENANCE TROUBLESHOOTING 35 5 3 Electrical principle drawing ...

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