Hobart Welding Products 210 597J, OM-4418 manual Conditions That Affect Weld Bead Shape

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12-8. Conditions That Affect Weld Bead Shape

.Weld bead shape is affected by electrode angle, arc length, travel speed, and thickness of base metal.

 

Correct Angle

 

Angle Too Small

10° - 30°

Angle Too Large

Drag

ELECTRODE ANGLE

Spatter

Too Short

Normal

Too Long

 

ARC LENGTH

 

Slow

Normal

Fast

 

TRAVEL SPEED

 

S-0061

12-9. Electrode Movement During Welding

.Normally, a single stringer bead is satisfactory for most narrow groove weld joints; however, for wide groove weld joints or bridging across gaps, a weave bead or multiple stringer beads work better.

1Stringer Bead − Steady Movement Along Seam

1

2

2

Weave Bead − Side to Side

 

Movement Along Seam

 

 

 

 

 

3

Weave Patterns

Use weave patterns to cover a wide area in one pass of the electrode. Do not let weave width exceed 2-1/2 times diameter of electrode.

3

S-0054-A

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Contents Processes OM-4418Description From Hobart to You Table of Contents Page HOT Parts can cause severe burns Symbol UsageArc Welding Hazards Electric Shock can killWelding can cause fire or explosion Fumes and Gases can be hazardousBuildup of GAS can injure or kill ARC Rays can burn eyes and skinCompressed Air Hazards Engine HazardsFalling Unit can cause injury Welding Wire can cause injuryHOT Parts can cause burns and injury Fire or Explosion hazardRadiation can cause interference Principal Safety StandardsCalifornia Proposition 65 Warnings EMF InformationDoivent être confiés qu’à des personnes qualifiées Signification des symboles− Consignes DE Sécurité − Lire Avant Utilisation UN Choc Électrique peut tuerLES Fumées ET LES GAZ peuvent être dangereux DES Pièces Chaudes peuvent provoquer des brûlures gravesLE Soudage peut provoquer un in cendie ou une explosion ’EXPLOSION DE LA Batterie peu LE Bruit peut affecter l’ouïeDES Organes Mobiles peuvent pro voquer des blessures ’AIR Comprimé peut provoquer des blessures LA Chaleur DU Moteur peut pro- voquer un incendieRisque D’INCENDIE OU D’EXPLO- Sion ’EMPLOI Excessif peut LE Surchauffement peut endom- mager le moteur électriqueDES Organes Mobiles peuvent provoquer des blessures LES Fils DE Soudage peuvent provoquer des blessuresPrincipales normes de sécurité Proposition californienne 65 AvertissementsInformation EMF − Definitions − SpecificationsSymbol Definitions Weld, Power, And Engine SpecificationsWeld Amps At Rated Duty Cycle Dimensions, Weights, And Operating AnglesAux Power Gal./Hr Weld Power In KW Fuel ConsumptionDuty Cycle Generator Power CurvePower AC Power AmperesVolts Max Amp Min Amp Volt-Ampere CurvesAC Amps Location − InstallationInstalling Welding Generator MovementEngine Prestart Checks Grounding Generator When Supplying Building SystemsOil Weld cable terminal and copper bar Correct Installation Connecting To Weld Output TerminalsTools Needed 350 ft 400 ft 45 m 60 m 70 m 90 m 105 m 120 m Connecting to weldSelecting Weld Cable Sizes 150 ft 200 ft 250 ftMaterial Thickness Reference Chart Controls See Section − Operating the Welding GeneratorTo Start To Stop turn engine switch to OffDescription Of Controls See Section Amperage Selection Table For Stick Smaw ElectrodesX 15 a + 240 V x 9 a = 4 kVA/KW OM-4418 Generator Power Panel Receptacles− Operating Auxiliary Equipment Use GFCI-protected extension cordRoutine Maintenance − MaintenanceStop engine Servicing Air CleanerWelding − TroubleshootingTroubleshooting Generator PowerEngine With proper viscosity oil for operating temperatureStarting difficult Circuit Diagram For Welding Generator − Electrical DiagramsSelecting Equipment − Generator Power GuidelinesGrounding Generator To Truck Or Trailer Frame How Much Power Does Equipment Require? Grounding When Supplying Building SystemsFarm/Home Equipment Rating Starting Watts Running Watts Approximate Power Requirements For Industrial MotorsApproximate Power Requirements For Farm/Home Equipment Industrial Motors Rating Starting Watts Running WattsContractor Rating Starting Watts Running Watts Approximate Power Requirements For Contractor EquipmentKVA/HP x HP x 1000 / Volts = Starting Amperage Power Required To Start MotorHow Much Power Can Generator Supply? Single-Phase Induction Motor Starting RequirementsTypical Connections To Supply Standby Power Cord Lengths for 240 Volt Loads Selecting Extension Cord Use Shortest Cord PossibleCord Lengths for 120 Volt Loads Current Load Watts Amperes− Stick Welding Smaw Guidelines Stick Welding ProcedureStriking an Arc − Scratch Start Technique Electrode and Amperage Selection ChartStriking an Arc − Tapping Technique 10-30 9090 End View of Work Angle Poor Weld Bead CharacteristicsGood Weld Bead Characteristics Positioning Electrode HolderElectrode Movement During Welding Conditions That Affect Weld Bead Shape16 in 1.6 mm Tack Welds Butt JointsLap Joint Tee JointPossible Causes Corrective Actions Troubleshooting − PorosityTroubleshooting − Excessive Spatter Weld TestTroubleshooting − Lack Of Penetration Troubleshooting − Incomplete FusionTroubleshooting − Excessive Penetration Troubleshooting − Waviness Of Bead Troubleshooting − Burn-ThroughTroubleshooting − Distortion Work like a Pro Main Assembly − Parts ListSR1 Support ServiceAssistance Hobart Welding Products Contact your Distributor for

210 597J, OM-4418 specifications

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