Common MIG Shielding Gases | Miller Electric Renegade 180 guide

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
		Spray Arc Steel	Short Circuiting Steel		Stainless Steel	Aluminum
					Stainless Steel	Aluminum

Argon						All Positions

Argon + 25% CO	2	Flat & Horizontal1 Fillet	All Positions		All Positions2
	2

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

Contents

Description OM-228 042BProcesses File Engine Drive From Miller to You Table of Contents − Maintenance 10-1 Electric Shock can kill Symbol UsageArc Welding Hazards HOT Parts can cause severe burns ARC Rays can burn eyes and skin Fumes and Gases can be hazardousBuildup of GAS can injure or kill Welding can cause fire or explosion Engine Hazards Compressed Air Hazards Fire or Explosion hazard Welding Wire can cause injuryHOT Parts can cause burns and injury Falling Unit can cause injury EMF Information Principal Safety StandardsCalifornia Proposition 65 Warnings Radiation can cause interference UN Choc Électrique peut tuer Signification des symboles− Consignes DE Sécurité − Lire Avant Utilisation Indique des instructions spécifiques DES 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 peut Proposition californienne 65 Avertissements Principales normes de sécuritéInformation EMF Weld, Power, And Engine Specifications − SpecificationsSymbol Definitions − Definitions Optional Lifting Eye Weight Rating Gun SpecificationsDimensions, Weights, And Operating Angles Volt-Ampere Curves Power Source Duty Cycle Fuel Consumption Volts Generator Power CurveGun Duty Cycle And Overheating AC Amperes Movement − InstallationInstalling Welding Generator Airflow Clearance Grounding Generator When Supplying Building Systems Use ground device as stated in electrical codes + − Connecting The Battery Electric Start Models OnlyEngine Prestart Checks Oil Installing Welding Gun Work Cable Routing Inside Unit Weld Process/Polarity Table Changing Weld Polarity Connecting 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 Adapter Weld 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 Section Description Of Controls See Section To StartTo Stop Weld Parameter Chart Stainless Steel And 100% CO2 Weld Parameters 20 ga 18 ga 16 ga 14 ga Generator Power Panel Receptacles Generator power decreases as weld current increases− Operating Auxiliary Equipment − Maintenance Power Source Routine Maintenance Drive Motor Protection Gun Routine MaintenanceWelding Power Source Overload Protection Tip Saver/Short Circuit Protection Changing Drive Roll Or Wire Inlet Guide Turn Off power before replacing contact tipReplacing Gun Contact Tip Turn off welding power source/wire feeder Maintaining Gun Replacing Switch And/Or Head Tube Tools Needed 19 mm Do not wash paper element or clean with compressed air Servicing Air CleanerPrecleaner Paper Element Standard Model Shown Stop engine Adjusting Engine Speed Stop engine. Close fuel valve Generator Power − TroubleshootingTroubleshooting Welding Wire Feeder EngineDoes not run − Parts List Recommended Spare PartsRecommended Spare Parts − Electrical Diagrams OM-217 454 Typical MIG Process Connections Regulator Flowmeter Wire Feeder Power Source Shielding Gas− MIG Welding Gmaw Guidelines Gun Work Clamp Workpiece Wire Suggested Wire Speed Typical MIG Process Control SettingsThese settings are guidelines only. Material Material thickness determines weld parameters Tioned correctly on seam Nozzle, and tip of wire is posiHolding And Positioning Welding Gun Groove Welds Electrode Extensions Stickout Conditions That Affect Weld Bead ShapeGun Angles And Weld Bead Profiles Fillet Weld Electrode Extension Stickout Poor 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 Watts Approximate Power Requirements For Contractor Equipment Contractor Rating Starting Watts Running Watts Single-Phase Induction Motor Starting Requirements Power Required To Start MotorHow Much Power Can Generator Supply? KVA/HP x HP x 1000 / Volts = Starting Amperage Typical 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 Loads SOCKET/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

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

Models: Renegade 180

12-16. Common MIG Shielding Gases

Application

Flat & Horizontal1 Fillet

CO2