Positioning Torch Tungsten For Various Weld Joints

8-3. Positioning Torch Tungsten For Various Weld Joints

90°

Butt Weld And Stringer Bead

70°

20°

“T” Joint

10°

40°

Lap Joint

30°

90°

70°

20°

70°

20°

Corner Joint

70°

20°

ST-162 003 / S-0792

OM-355 Page 26

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Image 30

Hobart 180 SD Positioning Torch Tungsten For Various Weld Joints, Butt Weld And Stringer Bead Joint Lap Joint Corner Joint

Contents

OM-355 ProcessesDescription From Hobart to You Table of Contents Page Arc Welding Hazards Symbol UsageMarks a special safety message Electric Shock can kill Flying Metal can injure eyes ARC Rays can burn eyes and skinWelding can cause fire or explosion Buildup of GAS can injure or kill Principal Safety Standards EMF Information About Pacemakers UN Choc É Lectrique peut tuer Signification des symbolesConsignes DE Securite Lire Avant Utilisation LES Fumé ES ET LES GAZ peuvent ê tre dangereux LE Soudage peut provoquer un incendie ou une explosion DES Particules Volantes peuvent blesser les yeuxLE Bruit peut affecter l’ouïe ’EMPLOI Excessif peut Risque D’INCENDIE OULA Chute DE L’APPAREIL peut blesser DES Organes Mobiles peuvent provoquer des blessures Principales normes de sé curité Information sur les champs é lectromagné tiquesConsignes relatives aux stimulateurs cardiaques Selecting a Location InstallationIncluded with Your Unit Movement Dimensions And Weights SpecificationsDuty Cycle Chart Volt-Ampere Curves Weld Output Terminals And Selecting Cable SizesARC Welding can cause Electromagnetic Interference Socket Remote 14 ReceptacleShielding Gas Connections Necting to receptacle Input Voltage Electrical Service GuideConnecting Input Power Input Amperes at Rated Output Output Selector Switch OperationControls Select weld process Select polarity Select amperage Example Connect remote control see Section OM-355Example of Remote Amperage Control For TIG Gtaw Welding Select weld process Select polarity Remote Foot Control Typical TIG ConnectionsTypical Stick Connections Application Maintenance and Troubleshooting Routine MaintenanceProcess and Material Thickness Guide Label Turn Off power before ad Adjusting Spark GapsTroubleshooting Justing spark gaps Electrical Diagram Circuit Diagram For Welding Power Source Welding Processes Using HF Sources Of HF Radiation From Incorrect InstallationHigh Frequency HF Nonmetal Correct InstallationGround Wire Building Metal Building Safety Information About Tungsten Selecting and Preparing Tungsten ElectrodeSelecting Tungsten Electrode Preparing Tungsten For DC Electrode Negative Dcen Welding Instead of thoriated. Tho Guidelines for TIG Welding GtawPositioning The Torch Mables away Welding direction Form pool Tilt torch Torch Movement During WeldingTungsten Without Filler Rod Tungsten With Filler Rod Positioning Torch Tungsten For Various Weld Joints Butt Weld And Stringer Bead Joint Lap Joint Corner Joint OM-355 Stick Welding Procedure Weld current starts when electrode touches work- pieceStick Welding Smaw Guidelines Electrode and Amperage Selection Chart Striking an Arc Scratch Start TechniqueStriking an Arc Tapping Technique Positioning Electrode Holder Poor Weld Bead CharacteristicsGood Weld Bead Characteristics 9090 End View of Work Angle Conditions That Affect Weld Bead Shape Electrode Movement During Welding Tee Joint Butt JointsLap Joint 16 in 1.6 mm Tack Welds Weld Test Troubleshooting PorosityTroubleshooting Excessive Spatter Possible Causes Corrective Actions Troubleshooting Incomplete Fusion Troubleshooting Lack Of PenetrationTroubleshooting Excessive Penetration Troubleshooting Burn-Through Troubleshooting Waviness Of BeadTroubleshooting Distortion Parts List Main Assembly Dia Part Description Quantity Mkgs 043 Panel, Front w/Components Page Page Page Service Support Contact your Distributor for Hobart Welding ProductsCall

Hobart 180 SD manual Positioning Torch Tungsten For Various Weld Joints

Models: 180 SD

8-3. Positioning Torch Tungsten For Various Weld Joints

Butt Weld And Stringer Bead

“T” Joint

Lap Joint

Corner Joint