Miller Electric Renegade 180 Common MIG Shielding Gases, Application, Flat & Horizontal1 Fillet

Page 54

12-16. Common MIG Shielding Gases

This is a general chart for common gases and where they are used. Many different combinations (mixtures) of shielding gases have been developed over the years. The most commonly used shielding gases are listed in the following table.

 

 

 

 

Application

 

 

 

 

 

 

 

 

Gas

 

Spray Arc Steel

Short Circuiting Steel

Short Circuiting

Short Circuiting

 

 

Stainless Steel

Aluminum

 

 

 

 

 

 

 

 

 

 

 

 

Argon

 

 

 

 

 

All Positions

 

 

 

 

 

 

 

Argon + 25% CO

2

Flat & Horizontal1 Fillet

All Positions

 

All Positions2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CO2

 

Flat & Horizontal1 Fillet

All Positions

 

 

 

Tri-Mix3

 

 

 

 

All Positions

 

1Globular Transfer

2Single Pass Welding Only

390% HE + 7-1/2% AR + 2-1/2% CO2

OM-228 042 Page 50

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Contents Description OM-228 042BProcesses File Engine DriveFrom Miller to You Table of Contents − Maintenance 10-1Electric Shock can kill Symbol UsageArc Welding Hazards HOT Parts can cause severe burnsARC Rays can burn eyes and skin Fumes and Gases can be hazardousBuildup of GAS can injure or kill Welding can cause fire or explosionEngine Hazards Compressed Air HazardsFire or Explosion hazard Welding Wire can cause injuryHOT Parts can cause burns and injury Falling Unit can cause injuryEMF Information Principal Safety StandardsCalifornia Proposition 65 Warnings Radiation can cause interferenceUN Choc Électrique peut tuer Signification des symboles− Consignes DE Sécurité − Lire Avant Utilisation Indique des instructions spécifiquesDES Pièces Chaudes peuvent provoquer des brûlures graves LES Fumées ET LES GAZ peuvent être dangereuxLE Soudage peut provoquer un in cendie ou une explosion LE Bruit peut affecter l’ouïe ’EXPLOSION DE LA Batterie peuDES Organes Mobiles peuvent pro voquer des blessures LA Chaleur DU Moteur peut pro- voquer un incendie ’AIR Comprimé peut provoquer des blessuresRisque D’INCENDIE OU D’EXPLO- Sion LES Fils DE Soudage peuvent provoquer des blessures LE Surchauffement peut endom- mager le moteur électriqueDES Organes Mobiles peuvent provoquer des blessures ’EMPLOI Excessif peutProposition californienne 65 Avertissements Principales normes de sécuritéInformation EMF Weld, Power, And Engine Specifications − SpecificationsSymbol Definitions − DefinitionsOptional Lifting Eye Weight Rating Gun SpecificationsDimensions, Weights, And Operating Angles Volt-Ampere CurvesPower Source Duty Cycle Fuel ConsumptionVolts Generator Power CurveGun Duty Cycle And Overheating AC AmperesMovement − InstallationInstalling Welding Generator Airflow ClearanceGrounding Generator When Supplying Building Systems Use ground device as stated in electrical codes+ − Connecting The Battery Electric Start Models OnlyEngine Prestart Checks OilInstalling Welding Gun Work Cable Routing Inside UnitWeld Process/Polarity Table Changing Weld PolarityConnecting Single−Phase, 230 Volt AC Utility Input Power Shown with optional cylinder rackThis unit can provide weld out When a slight force is needed to turn spool, tension is set Electrical Service GuideInstalling Wire Spool And Adjusting Hub Tension AdapterWeld Position Stamped Stamped .030/.035 Tighten Pressure Indicator Scale Threading The Welding GunTools Needed 150 mm 030/.035 Groove Wood − Operating the Welding Generator Controls See SectionDescription Of Controls See Section To StartTo Stop Weld Parameter Chart Stainless Steel And 100% CO2 Weld Parameters 20 ga 18 ga 16 ga 14 gaGenerator Power Panel Receptacles Generator power decreases as weld current increases− Operating Auxiliary Equipment − Maintenance Power Source Routine MaintenanceDrive Motor Protection Gun Routine MaintenanceWelding Power Source Overload Protection Tip Saver/Short Circuit ProtectionChanging Drive Roll Or Wire Inlet Guide Turn Off power before replacing contact tipReplacing Gun Contact Tip Turn off welding power source/wire feeder Maintaining GunReplacing Switch And/Or Head Tube Tools Needed 19 mmDo not wash paper element or clean with compressed air Servicing Air CleanerPrecleaner Paper Element Standard Model Shown Stop engineAdjusting Engine Speed Stop engine. Close fuel valveGenerator Power − TroubleshootingTroubleshooting WeldingWire Feeder EngineDoes not run − Parts List Recommended Spare PartsRecommended Spare Parts − Electrical Diagrams OM-217 454Typical MIG Process Connections Regulator Flowmeter Wire Feeder Power Source Shielding Gas− MIG Welding Gmaw Guidelines Gun Work Clamp WorkpieceWire Suggested Wire Speed Typical MIG Process Control SettingsThese settings are guidelines only. Material Material thickness determines weld parametersTioned correctly on seam Nozzle, and tip of wire is posiHolding And Positioning Welding Gun Groove WeldsElectrode Extensions Stickout Conditions That Affect Weld Bead ShapeGun Angles And Weld Bead Profiles Fillet Weld Electrode Extension StickoutPoor Weld Bead Characteristics Good Weld Bead CharacteristicsGun Movement During Welding Troubleshooting − Excessive Spatter Troubleshooting − PorosityPossible Causes Corrective Actions Troubleshooting − Excessive Penetration 12-11 Troubleshooting − Lack Of PenetrationTroubleshooting − Incomplete Fusion 12-13 Troubleshooting − Burn-Through Troubleshooting − Waviness Of BeadTroubleshooting − Distortion Common MIG Shielding Gases ApplicationFlat & Horizontal1 Fillet − Generator Power Guidelines Selecting EquipmentGrounding Generator To Truck Or Trailer Frame Grounding When Supplying Building Systems How Much Power Does Equipment Require?Industrial Motors Rating Starting Watts Running Watts Approximate Power Requirements For Industrial MotorsApproximate Power Requirements For Farm/Home Equipment Farm/Home Equipment Rating Starting Watts Running WattsApproximate Power Requirements For Contractor Equipment Contractor Rating Starting Watts Running WattsSingle-Phase Induction Motor Starting Requirements Power Required To Start MotorHow Much Power Can Generator Supply? KVA/HP x HP x 1000 / Volts = Starting AmperageTypical Connections To Supply Standby Power Current Load Watts Amperes Selecting Extension Cord Use Shortest Cord PossibleCord Lengths for 120 Volt Loads Cord Lengths for 240 Volt LoadsSOCKET/WRENCH Selection Table Standard Metric Service Your distributor also givesSupport For assistance in filing or settling claims, contact To locate a Distributor or Service Agency visitMiller Electric Mfg. Co Your distributor and/or equipment manufacturer’s
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