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4

Gun Movement During Welding

1

2

3

1

Stringer Bead

     Steady Movement  Along Seam

2

Weave Bead

     Side To Side Movement  Along Seam

3

Weave Patterns

      Use weave patterns to cover a wide area 
      in one pass of the electrode.

Page.18

Summary of Contents for FY-4200/2E

Page 1: ...Owner s Manual FY 4200 2E The equipment is approved by a number of car manufacturers China...

Page 2: ...ation 5 1 Controls 5 2 Holding And Positioning Welding Gun 5 3 Conditions That Affect Weld Bead Shape 5 4 Gun Movement During Welding 5 5 Poor Weld Bead Characteristics 5 6 Good Weld Bead Characterist...

Page 3: ...s can explode if damaged Gas cylinders contain gas under high pressure If damaged a cylinder can explode Be sure to treat them carefully Electric shock can kill 1 Do not touch live electrical parts 2...

Page 4: ...2 AR CO2 AR CO2 O etc Suitable for welding of variou metallic materials such as mild steel low carbon steel low alloy steel stainless steel steel iron copper aluminum nicket etc Extensively used in th...

Page 5: ...03 Ouput Cable NO C005 Collect Body NO C008 Wire Guide NO C011 Fuse Socket NO C014 Electromagnetism NO C017 15AK Gooseneck NO C020 24AK Gooseneck NO C018 Control Transformer NO C023 Digital Display NO...

Page 6: ...acket Caster 8 inner hexangular screw Install the gun holer to the side panel install the side plates to the fender panel install the wheel axle and wheels to the fender panel install the fender panel...

Page 7: ...ctive Input Current A No load Voltage V Welding Current A Output Current Voltage Insulation Grade Wire Diameter Type Dimensions mm Voltage Adjustment Weight kg Duty Cycle 35 F 9 8 35A 17V 220A 25V 90...

Page 8: ...tifier The unit products heat while welding 2 If unit overheats output stops and cooling fan runs 3 Wait fifteen minutes for unit to cool Reduce amperage or voltage or duty cycle before welding Overhe...

Page 9: ...er sunshine The worksite should be in low humidity and without dust 5 Operating Temperature range 10 40 6 Storage Temperature range 25 56 7 At least 20cm of space for airflow 30cm of space for two uni...

Page 10: ...not move or operate unit where it could tip 4 Use cart or unit handle to move unit Do not pull the cords to move unit 5 Moving gas cylinder and main unit to hight sparaely Use lifting eye to lift unit...

Page 11: ...5 Flow Adjust Typical pressure is 0 05 0 15MPa 6 Hose 7 Hose Connection Connect gas hose between regulator flowmeter and the unit 8 Regulator Flowmeter heating socket For low temperature worksite ple...

Page 12: ...e Close and secure door on disconnect device Remove lockout tagout device and place switch in the on position 6 Connecting Input Power Page 10 1 2 3 L1 L2 1 4 3 2 L3 L1 L2 The power supply must have a...

Page 13: ...to prevent slipping Feed wire to check wire spool installation 2 Set a desired drive roll pressure close and tighten pressure adjustment knob 3 Press gun trigger and let go of wire 4 Remove gun nozzl...

Page 14: ...adjustment knob Press wire device springs open 2 Loosen securing nut Remove drive roll 3 The drive roll consists of two different sized grooves Reinstall the desired wire sized groove close to the mot...

Page 15: ...Weld current can damage electronic parts in vehicles Disconnect both battery cables before welding on a vehicle Place work clamp as close to the weld as possible Regulator Flowmeter Wire feeder Gun Wo...

Page 16: ...10 1 2 3 4 5 6 1 Shield cup C012 2 Contact tip C004 3 Front adaptor C010 4 Gooseneck 15 24AK C020 018 5 Trigger 6 Spanner Welding Gun Page 14...

Page 17: ...1 Controls Operation Page 15 1 Display 2 Wire speed adjustment 3 Weld time extension 4 Weld current adjustment 5 Indicator light 5 4 2 3 1...

Page 18: ...adle Gun and R est Hand on Workpiece End View Of Work Angle Side View Of Gun Angle GROOVE WELDS End View Of Work Angle Side View Of Gun Angle FILLET WELDS Welding wire is energized when gun trigger is...

Page 19: ...t Normal Long ELECTRODE EXTENSIONS STICKOUT Short Normal Long FILLET WELD ELECTRODE EXTENSIONS STICKOUT Slow Normal Fast GUN TRAVEL SPEED Weld bead shape depends on gun angle direction of travel elect...

Page 20: ...ement During Welding 1 2 3 1 Stringer Bead Steady Movement Along Seam 2 Weave Bead Side To Side Movement Along Seam 3 Weave Patterns Use weave patterns to cover a wide area in one pass of the electrod...

Page 21: ...5 Poor Weld Bead Characteristics 1 2 3 4 5 1 Large Spatter Deposits 2 Rough Uneven Bead 3 Slight Crater During Welding 4 Bad Overlap 5 Poor Penetration Page 19...

Page 22: ...6 Good Weld Bead Characteristics 1 2 3 4 5 1 Fine Spatter 2 Uniform Bead 3 Moderate Crater During Welding 4 No Overlap 5 Good Penetration into Base Metal Page 20...

Page 23: ...re feed speed Select lower voltage range Use shorter electrode extension stickout Remove all grease oil moisture rust paint un dercoating and dirt from surface before welding Insufficient shielding ga...

Page 24: ...ad at end of weld until molten metal solidifies Use welding grade shielding gas change to different gas Use clean dry welding wire Eliminate pick up of oil or lubricant on welding wire from feeder or...

Page 25: ...Page 23...

Page 26: ...d arc ch aracteristics Maintain normal gun angle of 0 to 15 degrees to achieve maximum penetration Keep arc on leading edge of weld puddle Do not extend wire too far from nozzle Select higher wire fee...

Page 27: ...tage range and or adjust wire feed speed Place stringer bead in proper location s at joint du ring welding Adjust work angle or widen groove to access bottom du ring welding Momentarily hold arc on gr...

Page 28: ...lting completely through base metal resulting in holes where no metal remains Select lower voltage range and reduce wire feed speed Increase and or maintain steady travel speed Possible Causes Correct...

Page 29: ...etal that is not parallel and does not cover joint formed by base metal Support hand on solid surface or use two hands Welding wire extends too far out of nozzle Unsteady hand Possible Causes Correcti...

Page 30: ...Excessive heat input Use restraint clamp to hold base metal in position Make tack welds along joint before starting welding operation Select lower voltage range and or reduce wire feed speed Increase...

Page 31: ...Insufficient shieldinggas at welding arc 2 Regulator flowmeter damaged 3 Contact tip damaged 4 Leakage outside gas mix with shielding gas Wel di ng ar c no t sta bl e 1 Wel din g wire dirt y 2 B ad c...

Page 32: ...e 30 Left side view Right side view Control transformer Circuit board Output voltage current adjustment Main transformer Electromagnetic valve A C contactor Fan Rectifier Reactor Wire feeder Fan Recti...

Page 33: ...Page 31 Circuit Diagram 380V 3ph...

Page 34: ...NO 32 Circuit Diagram 380V 1ph 220V 1ph...

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