Hobart 180 SD manual Positioning Electrode Holder, Poor Weld Bead Characteristics, Metal

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9-5. Positioning Electrode Holder

10° -30°

90°90°

End View of Work Angle	Side View of Electrode Angle
GROOVE WELDS
45°	10° -30°
45°
45°
End View of Work Angle	Side View of Electrode Angle
FILLET WELDS	S-0060

9-6. Poor Weld Bead Characteristics

1 Large Spatter Deposits

2 Rough, Uneven Bead

3 Slight Crater During Welding

4 Bad Overlap

5 Poor Penetration

2 3 4

S-0053-A

9-7. Good Weld Bead Characteristics

1 Fine Spatter

2 Uniform Bead

3 Moderate Crater During

Welding

Weld a new bead or layer for each 1/8 in. (3.2 mm) thickness in metals being welded.

	1		4	No Overlap
	1		5	Good Penetration into Base
			5	Good Penetration into Base
				Metal
2	3	4	5

S-0052-B

OM-355 Page 30

Image 34

Contents Processes OM-355Description From Hobart to You Table of Contents Page Arc Welding Hazards Symbol UsageMarks a special safety message Electric Shock can killFlying Metal can injure eyes ARC Rays can burn eyes and skinWelding can cause fire or explosion Buildup of GAS can injure or killPrincipal Safety Standards EMF Information About PacemakersUN Choc É Lectrique peut tuer Signification des symbolesConsignes DE Securite Lire Avant Utilisation LES Fumé ES ET LES GAZ peuvent ê tre dangereuxDES Particules Volantes peuvent blesser les yeux LE Soudage peut provoquer un incendie ou une explosionLE Bruit peut affecter l’ouïe ’EMPLOI Excessif peut Risque D’INCENDIE OULA Chute DE L’APPAREIL peut blesser DES Organes Mobiles peuvent provoquer des blessuresInformation sur les champs é lectromagné tiques Principales normes de sé curitéConsignes relatives aux stimulateurs cardiaques Selecting a Location InstallationIncluded with Your Unit MovementSpecifications Dimensions And WeightsDuty Cycle Chart Weld Output Terminals And Selecting Cable Sizes Volt-Ampere CurvesARC Welding can cause Electromagnetic Interference Socket Remote 14 ReceptacleShielding Gas Connections Necting to receptacleInput Voltage Electrical Service GuideConnecting Input Power Input Amperes at Rated OutputOperation Output Selector SwitchControls 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 polarityRemote Foot Control Typical TIG ConnectionsTypical Stick Connections ApplicationRoutine Maintenance Maintenance and TroubleshootingProcess and Material Thickness Guide Label Turn Off power before ad Adjusting Spark GapsTroubleshooting Justing spark gapsElectrical Diagram Circuit Diagram For Welding Power SourceSources Of HF Radiation From Incorrect Installation Welding Processes Using HFHigh Frequency HF Nonmetal Correct InstallationGround Wire Building Metal BuildingSelecting and Preparing Tungsten Electrode Safety Information About TungstenSelecting Tungsten Electrode Preparing Tungsten For DC Electrode Negative Dcen Welding Instead of thoriated. Tho Guidelines for TIG Welding GtawPositioning The Torch Mables awayWelding direction Form pool Tilt torch Torch Movement During WeldingTungsten Without Filler Rod Tungsten With Filler RodPositioning Torch Tungsten For Various Weld Joints Butt Weld And Stringer Bead Joint Lap Joint Corner JointOM-355 Weld current starts when electrode touches work- piece Stick Welding ProcedureStick Welding Smaw Guidelines Striking an Arc Scratch Start Technique Electrode and Amperage Selection ChartStriking an Arc Tapping Technique Positioning Electrode Holder Poor Weld Bead CharacteristicsGood Weld Bead Characteristics 9090 End View of Work AngleConditions That Affect Weld Bead Shape Electrode Movement During WeldingTee Joint Butt JointsLap Joint 16 in 1.6 mm Tack WeldsWeld Test Troubleshooting PorosityTroubleshooting Excessive Spatter Possible Causes Corrective ActionsTroubleshooting Lack Of Penetration Troubleshooting Incomplete FusionTroubleshooting Excessive Penetration Troubleshooting Waviness Of Bead Troubleshooting Burn-ThroughTroubleshooting Distortion Parts List Main AssemblyDia Part Description Quantity Mkgs 043 Panel, Front w/Components Page Page Page Service SupportHobart Welding Products Contact your Distributor forCall