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USER`S MANUAL

MIG-270E

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Summary of Contents for MIG-270E

Page 1: ...USER S MANUAL MIG 270E ...

Page 2: ... 1 Read me first Thank you for using welder For the important safety of your body please read this manual book and understand its contents before operation Thank you for your cooperation ...

Page 3: ... 3 Precautions of electromagnetic compatibility 6 4 Main technical information 8 5 Installation 9 6 Model establishment and illustration 10 7 Brief description of the principle 11 8 Operation and instruction 12 9 Welding machine precautions and maintenance 22 ...

Page 4: ... spatter stable current high reliability good weld seam shaping Safty Precaution Generally Safety Precaution Ensure to follow precautions specified in this manual or else an accident may happen The design and construction of input power supply selection of installation site and use of high pressure gas shall be performed according to the relevant standards and rules Irrelevant personnel are not al...

Page 5: ...human body Ensure to use specified exhaust equipment to avoid gas poisoning and suffocation The protective gas will be deposited around the container bottom to cause suffocation Pay attention to the ventilation Avoid welding arc splash and welding slag damaging human body Ensure to wear protective glasses with enough overshadow The arc will result in ocular inflammation and the welding splash and ...

Page 6: ...der and breaking gas regulator The gas cylinder shall be fixed reliably or else it may dump to result in human injury Must not put gas cylinder in a place with high temperature or sunshine When opening gas cylinder valve must not make face close to the gas outlet or else high pressure gas may damage person Ensure to use gas regulator provided by the company and follow the use regulations Prevent t...

Page 7: ...he potential electromagnetic disturbance of the surrounding The considerations are as follows Check surrounding of arc welding equipment for other power cables control cables signals and telephone wire Check for broadcasting and television launching and receiving equipment Check for computer and other controllers Check for high security level equipment such as industrial protective equipment Consi...

Page 8: ... relevant change and adjustment are allowed in the manual The spark gap of arc initiation device and arc stabilizing device shall be adjusted and serviced according to the suggestion of manufacturer Welding cable The welding cable shall be short as much as possible and close to each other Moreover welding cable shall be next to or close to ground cable Equipotential lap Pay attention to lapping of...

Page 9: ...whole welding area can be shielded for special applications Main technical information 1 Main technical parameter Model MIG 270E Function MIG TIG MMA Power Supply Voltage V 220V 15 Frequency Hz 50 60 Rated Input Power KW 5 3 7 6 Rated Input Current A 23 17 27 Effective Current A 14 5 10 8 17 Welding Current Range A 20 160 No Load Voltage V 55V Duty cycle 40 10min 40 160A 22V 160A 16 4V 160A 26 4V ...

Page 10: ...g The inclination of the welding power is less than 100 the altitude no more than 1000m Avoid using it in a dusty acid or other corrosive environment The machine should be placed more than 20cm from the wall and more than 10cm from other welding machines 2 Requirement of the input power source Waveform standard pure sine wave Fluctuation range 220V 15 Frequency 50Hz 60Hz 3 Input power Model MIG 27...

Page 11: ...ble to the machine Turn off the machine Connect the input cable to the distribution cabinet switch on 4 2 MIG welding Connect the earth cable to the negative pole feeder cable to the positive pole Connect the hose to the machine and gas bottle Turn off the machine Connect the input cable to the distribution cabinet switch on Model establishment and illustration MIG series welding machine model est...

Page 12: ...the step down high frequency rectifier rectifies and filters the output is suitable for the DC current of the welding Through this process the dynamic response of the welder is improved the volume and weight of the transformer and the reactor are reduced and the efficiency of the whole machine is improved The design of the control circuit enables the welder to always achieve good welding process p...

Page 13: ...t characteristics Drooping characteristics Operation and instruction 1 Introduction of main function 1 1 Front panel As shown in figure 4 control panel is used for selecting functions and setting data of welding machine and welding output interface Figure4 MIG 270E Control Panel ...

Page 14: ...0 8 1 0 Choose the flux cored wire 0 8 1 0 5 Power indicator light Send signals of power is on 6 O C indicator light Send signals of machine over temperature or abnormal Over heat machine is protected from over temperature leave the machine unloaded after cooling it can work as usual Over current there may be some components broken Be causious restart the machine after checking If misjude please j...

Page 15: ...une the welding voltage negative value is decreasing positive value is increasing 9 Plate Thickness Set current value under the mode of Lift TIG MMA and Gasless MIG 1 1 3 Welding output interface From left 1 MIG torch socket 2 Cathode output fasting socket connect TIG torch under mode of Lift TIG connect workpiece under mode of MMA ...

Page 16: ...der mode of Gasless MIG 2 Cathode output fasting socket connect TIG torch under mode of Lift TIG connect workpiece under mode of MMA connect workpiece under mode of MIG 3 Anode output fasting socket connect workpiece under mode of Lift TIG connect electrode holder under mode of MMA connect workpiece under mode of Gasless MIG Above diagram is MIG 160 output interface 1 1 4 Welding material table Co...

Page 17: ...voltage level and 60A circuit breaker connect the power wire 4 The input power wire should be in good contact with the correspond power terminal or switch to prevent oxidation Use a multimeter to measure whether the input voltage is in the fluctuation range Connect the yellow green wire on the power cable and the grounding screw on the rear panel to 4 wire and ground well If the welder is placed o...

Page 18: ...al 2 2 Gas shield welding Connect the gas cylinder with the CO2 gas regulator to the pipe of the wire feeder and fasten it with buckle When using CO2 gas the regulator should be connected to the heating power source to prevent the regulator from freezing during use and affect the welding quality No need to connect heating power when using mixed gas Place the wire at the right wire groove according...

Page 19: ...kwise MIG torch Feed the wire out by wire inspection and choose the contact tip through the wire and tighten press the gun switch to start Try to fine tuning the voltage when the current and voltage do not matched well Welding parameters Please refer to the following figure Welding current A Wire mm 60 80 φ0 6 0 8 80 130 φ0 8 1 0 130 200 φ0 8 1 0 Formula for your reference U 14 0 05I 3V 2 4 Lift T...

Page 20: ... 4 0 2 0 3 0 2 0 3 0 3 0 3 0 4 0 3 0 4 0 3 0 4 0 120 140 130 150 130 150 140 180 140 180 140 180 12 14 14 16 14 16 14 16 14 16 14 16 10 12 12 14 12 14 12 14 12 14 12 14 16 20 20 25 20 25 25 28 25 28 25 28 14 18 18 20 18 20 18 20 20 22 20 22 10 20 22 25 30 Double Y shape 4 6 12 12 15 16 17 18 4 0 4 0 4 0 4 0 4 0 3 0 4 0 4 0 4 0 5 0 3 0 4 0 3 0 4 0 160 200 200 240 230 250 200 220 200 220 14 16 12 14...

Page 21: ...ding objects should be no less than 0 3 meters Users should always pay attention to maintain good ventilation which is very important for better working of the welding machine and guaranteeing longer service life of It is forbidden to overload The user should pay attention to the use of the welder according to the allowable load duration of the welder refer to the welder nameplate parameters to ke...

Page 22: ...hine exceeds the standard load duration the welding machine may suddenly enter the protection state and stop working which means that the welding machine exceeds the standard load duration If the temperature is too high the temperature control switch will be triggered and the welding machine will stop working Meanwhile the yellow indicator light on the front panel will be on In this case you do no...

Page 23: ... The welding operation could be continued only if no error detected If the welder is not used for a long period of time seal it in the original packaging and store in dry condition 3 Before maintenance Warning Blind experiments and imprudent overhaul could lead to the expansion of failure and difficulty for a formal maintenance Electronic equipment in the state of the exposed part of a voltage can...

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