Hobart Welding Products 210 MVP Typical MIG Process Control Settings, Wire Size Amperage Range

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9-2. Typical MIG Process Control Settings

.These settings are guidelines only. Material and wire type, joint design, fitup, position, shielding gas, etc. affect settings. Test welds to be sure they comply to specifications.

Material thickness determines weld

 

parameters.

 

1/8 or 0.125 in.

Convert Material

 

Thickness to

 

Amperage (A)

 

(0.001 in. = 1 ampere)

 

0.125 in. = 125 A

.035 in

Wire Size

Amperage Range

 

 

 

 

0.023 in.

 

30 − 90 A

0.030 in.

40 − 145 A

0.035 in.

50 − 180 A

 

 

 

 

 

 

 

 

 

 

 

 

Select Wire Size

 

 

Wire

 

Recommendation

 

Wire Speed

Select Wire Speed

 

 

Size

 

 

(Approx.)

(Amperage)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0.023 in.

 

3.5 in. per ampere

3.5 x 125 A = 437 ipm

125 A based on 1/8 in.

 

 

0.030 in.

 

2 in. per ampere

2 x 125 A = 250 ipm

material thickness

 

 

0.035 in.

 

1.6 in. per ampere

1.6 x 125 A = 200 ipm

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ipm = inches per minute

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Low voltage: wire stubs into work

Select Voltage

 

 

 

High voltage: arc is unstable (spatter)

 

 

 

 

 

 

 

Set voltage midway between high/low voltage

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Voltage

controls height and

 

 

 

 

 

 

 

Wire speed (amperage) controls weld

 

 

width of weld bead.

 

 

 

 

 

 

 

penetration (wire speed = burn-off rate)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

OM-249 498 Page 37

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Contents Processes OM-249 498BDescription File MIG GmawProtect Your Investment From Hobart to YouTable of Contents Warranty Arc Welding Hazards Symbol UsageElectric Shock can kill HOT Parts can burnARC Rays can burn eyes and skin Fumes and Gases can be hazardousWelding can cause fire or explosion Flying Metal or Dirt can injure eyesFire or Explosion hazard Welding Wire can injureFalling Equipment can injure Moving Parts can injureCalifornia Proposition 65 Warnings Principal Safety StandardsEMF Information About Implanted Medical DevicesUNE Décharge Électrique peut entraîner la mort Symboles utilisésLE Soudage peut provoquer un incendie ou une explosion LES Pièces Chaudes peuvent provoquer des brûluresLES Fumées ET LES GAZ peuvent être dangereux LES Bouteilles peuvent exploser si elles sont endommagées LE Bruit peut endommager l’ouïeRisque D’INCENDIE OU LA Chute DE L’ÉQUIPEMENT peut provoquer des blessuresLes Pièces Mobiles peuvent causer des blessures Proposition californienne 65 AvertissementsLES Fils DE Soudage peuvent provoquer des blessures LE Soudage À L’ARC risque de provoquer des interférencesEn ce qui concerne les implants médicaux Principales normes de sécuritéInformations relatives aux CEM OM-249 498 − Definitions Symbols And DefinitionsI1max I1effSpecifications For 115 VAC − SpecificationsSpecifications For 230 VAC 30% duty cycle at 150 amps Minutes Welding Duty Cycle And Overheating20% duty cycle at 90 amps Minutes Welding OverheatingVoltage Amperage Volt-Ampere CurvesInstalling Welding Gun − InstallationInstalling Nozzle, Contact Tip, And Adapter Installing Work Clamp Changing Polarity Turn off welding power sourceProcess/Polarity Table Tools Needed 1-1/8 Installing Gas SupplyAfter flow is set, close pressure assembly Extension Cord Data Use Shortest Cord Possible Electrical Service GuideMulti−Voltage Plug MVP Connection Do not move or operate Unit where it could tip Selecting a Location And Connecting Input PowerDo Not modify or rewire receptacle Connection Serial Number And Rating Label LocationLocal Codes − have only InstallationQualified Persons Make YellowConnecting 1-Phase Input Power For 115 VAC Input Installing 8 in mm Wire Spool Installing Wire Spool And Adjusting Hub TensionExposed O-rings Connecting Optional Spool GunWire Feed Speed Control Threading Welding Wire Controls − OperationWeld Parameter Chart Routine Maintenance − Maintenance &TROUBLESHOOTINGOverload Protection Drive Motor Protection023/.025 Changing Drive Roll Or Wire Inlet Guide030/.035 Groove Knurled Smooth StampedStickout Tools Needed Mm, 10 mm Nozzle Contact Tip Tip Adapter Head TubeRemove nozzle, contact tip, and adapter Blow out gun casing Replacing Switch And/Or Head Tube Trouble Remedy Troubleshooting Table Circuit Diagram − Electrical Diagram249 315-A − MIG Welding Gmaw Guidelines Regulator Flowmeter Shielding Gas Wire Feeder Power SourceTypical MIG Process Connections Gun Workpiece Work ClampSelect Voltage Typical MIG Process Control SettingsWire Size Amperage Range Groove Welds Holding And Positioning Welding GunPush Conditions That Affect Weld Bead ShapePerpendicular Drag Short Normal LongGun Movement During Welding Poor Weld Bead CharacteristicsGood Weld Bead Characteristics Troubleshooting − Porosity Troubleshooting − Excessive SpatterTroubleshooting − Excessive Penetration Possible Causes Corrective ActionsTroubleshooting − Burn-Through Troubleshooting − Lack Of PenetrationTroubleshooting − Incomplete Fusion Troubleshooting − Distortion Troubleshooting − Waviness Of BeadBase metal to move DirectionApplication Troubleshooting Guide For Semiautomatic Welding EquipmentCommon MIG Shielding Gases Readjust welding parameters Welding arc not stable Wire slipping in drive rollsWelding power source Drive rolls if necessary49 32 − Parts List57 58 Dia Part Description Quantity Optional 245 H100S4-10 GunConsumables Optional Drive RollsOptions Assistance ServiceSupport Hobart Welding Products Contact your Distributor for
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