Material Thickness Reference Chart

.A complete Parts List is available at www.HobartWelders.com

Notes

24 Gauge (.025 in)

22 Gauge (.031 in)

20 Gauge (.037 in)

18 Gauge (.050 in)

16 Gauge (.063 in)

14 Gauge (.078 in) 1/8 in (.125 in)

3/16 in (.188 in)

1/4 in (.25 in)

5/16 in (.313 in)

3/8 in (.375 in)

1/2 in (.5 in)

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Hobart Welding Products 140 manual Material Thickness Reference Chart

Contents

Processes OM-925Description From Hobart to You Table of Contents − MIG Welding Gmaw Guidelines − ACCESSORIES/CONSUMABLESTypical MIG Process Connections Marks a special safety message Symbol UsageArc Welding Hazards Electric Shock can kill Welding can cause fire or explosion ARC Rays can burn eyes and skinFlying Metal can injure eyes Buildup of GAS can injure or kill California Proposition 65 Warnings EMF Information Principal Safety StandardsAbout Pacemakers LES Fumées ET LES GAZ peuvent être dangereux UNE Décharge Électrique peut entraîner la mortIndique un message de sécurité particulier DES Particules Volantes peuvent blesser les yeux LE Soudage peut provoquer un incendie ou une explosionDES Pièces Chaudes peuvent provoquer des brûlures graves LE Bruit peut endommager l’ouïe LA Chute DE L’APPAREIL peut blesser Risque D’INCENDIE OU D’EXPLO’EMPLOI Excessif peut SUR DES Organes Mobiles peuvent provoquer des blessures En ce qui concerne les stimulateurs cardiaques Boulevard, Rexdale, Ontario, Canada M9W 1R3 téléphone Symbols And Definitions − SpecificationsSpecifications − Definitions Duty Cycle And Overheating WarrantyOutput Duty Cycle % Exceeding duty cycle can Voltage Volt-Ampere Curves15.0 10.0 100 110 120 130 140 150 160 Installing Welding Gun − InstallationInstalling Work Clamp Drive assembly. Tighten thumbscrew Changing Polarity Process/Polarity Table CO2 gas regulator/flowmeter Installing Gas Supply Do not move or operate unit Where it could tip Selecting a Location And Connecting Input Power Align locking hole in spool with locking pin on spool hub Installing Wire Spool And Adjusting Hub Tension Turn off welding power source Installing Contact Tip And NozzleUse with solid or flux cored wire Lay gun cable out straight Threading Welding Wire Tighten Pressure Indicator Scale − Operation Source or -2. Do not switch under loadControls Material Thickness Reference Chart Weld Parameter Chart 217 618-A Routine Maintenance − Maintenance & TroubleshootingDisconnect power Overload Protection Drive Motor Protection Turn Off power before replacing contact tip Changing Drive Roll Or Wire Inlet GuideReplacing Gun Contact Tip Tools Needed 030/.035 Groove Disconnect gun from unit Cleaning Or Replacing Gun LinerTo Reassemble Gun Remove handle locking nut Secure head tube in vice Replacing Switch And/Or Head TubeSlide handle Trouble Remedy Troubleshooting Table Circuit Diagram − Electrical Diagram Typical MIG Process Connections − MIG Welding Gmaw Guidelines Wire Size Amperage Range Typical MIG Process Control SettingsThickness to Amperage a Select Voltage Holding And Positioning Welding Gun Push Conditions That Affect Weld Bead ShapePerpendicular Drag Short Normal Long Good Weld Bead Characteristics Poor Weld Bead CharacteristicsGun Movement During Welding Troubleshooting − Porosity Troubleshooting − Excessive SpatterTroubleshooting − Excessive Penetration Possible Causes Corrective Actions Troubleshooting − Incomplete Fusion Troubleshooting − Lack Of PenetrationTroubleshooting − Burn-Through Troubleshooting − Distortion Troubleshooting − Waviness Of BeadWeld bead Common MIG Shielding Gases Troubleshooting Guide For Semiautomatic Welding EquipmentApplication Readjust welding parameters Welding arc not stable Wire slipping in drive rollsWelding power source Drive rolls if necessary Accessories − ACCESSORIES/CONSUMABLESReplacement Drive Rolls Consumables Work like a Pro Start Your Professional Support ServiceAssistance Hobart Welding Products Contact your Distributor for