Related Manuals for Unimig W253B
Summary of Contents for Unimig W253B
- Page 1 Page 1 Instruction Manual for MIG-TIG-MMA-500SWF (L591) 16/12/2014 INSTRUCTION MANUAL MIG-TIG-MMA -500SWF INVERTER Multi-Function Welder (415V) 50-500A W253B...
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Page 2: Table Of Contents
Please consult us if any. 3. This manual is issued in Sep 2009. UNIMIG pursue a policy of continuous research and development, and therefore reserve the right to change the specifications, or design, without prior notice. * 2 year warranty power source. -
Page 3: Safety
Page 3 Instruction Manual for MIG-TIG-MMA-500SWF (L591) 16/12/2014 SAFETY Welding and cutting equipment can be dangerous to both the operator and people in or near the surrounding working area, if the equipment is not correctly operated. Equipment must only be used under the strict and comprehensive observance of all relevant safety regulations. - Page 4 Page 4 Instruction Manual for MIG-TIG-MMA-500SWF (L591) 16/12/2014 MACHINE FEATURES • Latest IGBT Inverter Technology • Mig/Mag Function • MMA (Stick electrode) (DC+ / DC-) function • Stepless Voltage & Wire Feed Controls at Wire Feeder • Variable Inductance & Burn Back Controls •...
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Page 5: Circuit Diagram
Page 5 Instruction Manual for MIG-TIG-MMA-500SWF (L591) 16/12/2014 CIRCUIT DIAGRAM... -
Page 6: Main Parameter
Page 6 Instruction Manual for MIG-TIG-MMA-500SWF (L591) 16/12/2014 MAIN PARAMETER Part Number verter KUMJR250/350/500SWF KUMJR250SWF KUMJR350SWF KUMJR500SWF 240V 1 Phase 415V 1 Phase 415V 1 Phase 20-250 Amps 50-350 Amps 20-500 Amps 10-250 Amps 10-350 Amps 50-500 Amps 35% @ 250A / 100% @ 148A 40% @ 350A / 100% @ 221A 35% @ 240A / 100% @137A 40% @ 350A / 100% @221A... -
Page 7: Panel Instructions
Page 7 Instruction Manual for MIG-TIG-MMA-500SWF (L591) 16/12/2014 PANEL INSTRUCTION Front panel instruction 1. Arc-stopping current 2. Arc-stopping voltage 3. 2T/4T opt switch 4. Gas Purge switch 5. Ammeter 6. Power LED 7. Overheating LED 8. Over-current LED 9. Function switch of MIG welding and arc welding 10. - Page 8 Page 8 Instruction Manual for MIG-TIG-MMA-500SWF (L591) 16/12/2014 Back panel instruction 15. Burnback time control knob 16. Wire buckle 17. Nameplate 18. Power switch 19. Socket of wire feeder 20. “+” output terminal “2” 21. Fan...
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Page 9: Operation
Page 9 Instruction Manual for MIG-TIG-MMA-500SWF (L591) 16/12/2014 INSTALLATION & OPERATION Note: • Please install the machine strictly according to the following steps. • Before connecting machine to main supply, ensure mains supply is switched off. After machine has been connected to mains supply, mains supply and machine can be switched on. - Page 10 Page 10 Instruction Manual for MIG-TIG-MMA-500SWF (L591) 16/12/2014 Sketch map of installation Operation method A. After installing the machine according to the above steps, turn the power switch on the back panel to the “on” position, and the machine will start. The power supply LED lights, the fan begins to turn.
- Page 11 Page 11 Instruction Manual for MIG-TIG-MMA-500SWF (L591) 16/12/2014 Sketch map of installation MIG welding installation Operation method 1) After being installed according to the above method, and the switch on the back panel being switched on, the machine is started. Open the cylinder valve, and turn the gas check switch to the “GAS CHECK”...
- Page 12 Page 12 Instruction Manual for MIG-TIG-MMA-500SWF (L591) 16/12/2014 10. WELDING PARAMETERS TABLE (for reference only) Welding current and welding voltage directly influences the welding stability, welding quality and productivity. In order to obtain good welding performance, the welding current and welding voltage should be set optimally generally according to the electrode diameter, the mode of metal transfer and the production requirement.
- Page 13 Page 13 Instruction Manual for MIG-TIG-MMA-500SWF (L591) 16/12/2014 2) Parameters for flat fillet welding Plate Welding Welding Welding Electrode Corn size Gas flow thickness current voltage speed I (mm) (mm) (L/min) t (mm) (cm/min) 2.5~3.0 70~100 18~19 50~60 10~15 2.5~3.0 1.0 ~ 1.2 90~120 18~20...
- Page 14 Page 14 Instruction Manual for MIG-TIG-MMA-500SWF (L591) 16/12/2014 4) Parameters for Lap Welding Plate Welding Welding Welding Electrode Welding Gas flow thickness current voltage speed position (mm) (L/min) t (mm) (cm/min) 80~100 18~19 45~55 10~15 1.0 ~ 1.2 45~55 100~120 18~20 10~15 A or B...
- Page 15 Page 15 Instruction Manual for MIG-TIG-MMA-500SWF (L591) 16/12/2014 CAUTION 1. Working Environment. The environment in which this welding equipment is installed must be free of grinding dust, corrosive chemicals, flammable gas or materials etc, and at no more than maximum of 80% humidity. When using the machine outdoors protect the machine from direct sun light, rain water and snow etc;...
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Page 16: Maintenance
Page 16 Instruction Manual for MIG-TIG-MMA-500SWF (L591) 16/12/2014 MAINTENANCE WARNING: Exposure to extremely dusty, damp, or corrosive air is damaging to the welding machine. In order to prevent any possible failure or fault of this welding equipment, clean the dust at regular intervals with clean and dry compressed air of required pressure.