Hobart Welding Products OM-498 manual Positioning Electrode Holder, Poor Weld Bead Characteristics

Page 47

11-5. Positioning Electrode Holder

10° -30°

90°90°

End View of Work Angle

Side View of Electrode Angle

GROOVE WELDS

45°

10° -30°

 

45°

 

End View of Work Angle

Side View of Electrode Angle

FILLET WELDS

S-0060

11-6. Poor Weld Bead Characteristics

1 Large Spatter Deposits

2 Rough, Uneven Bead

3 Slight Crater During Welding

4 Bad Overlap

5 Poor Penetration

1

2 3 4

5

S-0053-A

11-7. 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

 

 

5

Good Penetration into Base

 

 

 

 

 

 

 

Metal

2

3

4

5

 

S-0052-B

OM-498 Page 43

Image 47 Contents
Description OM-498Processes From Hobart to You Table of Contents Page ARC Rays can burn eyes and skin Symbol UsageArc Welding Hazards Electric Shock can killEngine Hazards Engine Heat can cause fire Battery Explosion can BlindMoving Parts can cause injury Engine Exhaust Gases can killARC Welding can cause interference Principal Safety StandardsEMF Information Radiation can cause interferenceLES Fumé ES ET LES GAZ peuvent ê tre dangereux Signification des symbolesConsignes DE SÉ Curité Lire Avant Utilisation UN Choc É Lectrique peut tuerLE Bruit peut affecter l’ouïe LE Soudage peut provoquer un in- cendie ou une explosionDES Particules Volantes peuvent blesser les yeux DES PIÈ CES Chaudes peuvent provoquer des brû lures gravesLA Chute DE L’APPAREIL peut blesser DES Organes Mobiles peuvent provoquer des blessures’EXPLOSION DE LA Batterie peut LA Chaleur DU Moteur peut pro- voquer un incendieConsignes relatives aux stimulateurs cardiaques Principales normes de sé curitéInformation sur les champs é lectromagné tiques LE Soudage À L’ARC risque de provoquer des interfé rencesDefinitions SpecificationsSymbol Definitions Weld, Power, And Engine SpecificationsWeight Kohler-Powered Units Dimensions, Weights, And Operating AnglesFuel Consumption Kohler-Powered Units Dimensions100% Duty Cycle at 80 Amperes CC/DC Fuel Consumption Honda-Powered UnitsExceeding duty cycle can damage unit and void warranty Duty CycleVolt-Ampere Curves Auxiliary Power CurveGrounding Generator To Truck Or Trailer Frame InstallationInstalling Welding Generator Use ground device as stated in electrical codes Grounding Generator When Supplying Building SystemsConnect negative cable last Engine Prestart Checks Honda-Powered UnitsConnecting The Battery Honda Electric-Start Models Only OilStop engine before Connecting To Weld Output TerminalsSelecting Weld Cable Sizes 45 m 60 m 70 m 90 m 105 m 120 mChoke Control Lever Controls Kohler-Powered UnitsOperating the Welding Generator 60 HzRecoil-Start 2Electric-Start Controls Honda-Powered Units See SectionDescription Of Controls Honda-Powered Units See Section Circuit Breakers CB1 and CB2 Auxiliary Power Panel 196 921 CSAOperating Auxiliary Equipment Auxiliary Power Panel 495 South America Asia Optional Auxiliary Power PanelsAuxiliary Power Panel 495 Australia Europe Auxiliary Power Panel 196It exceeds 3500W Auxiliary Power Panel RatingsOne half of the 240 V receptacle Plug Wired For 120/240Wire Load Plex receptacle shares a load withMaintenance Overload Protection Honda-Powered Units Only Maintenance LabelStop engine. Close fuel valve Top View Adjusting Engine Speed Kohler-Powered UnitsWeld/Power Speed Adjustment Top View Idle Speed AdjustmentTools Needed 3/8 Adjusting Engine Speed Honda-Powered UnitsThrottle Control Lever Adjustment Screw Stop engine. Close fuel valveWelding TroubleshootingTroubleshooting Auxiliary PowerMake starting difficult Check battery voltage Honda electric-start models onlyViscosity oil for operating temperature EngineCircuit Diagram For Welding Generator Electrical DiagramsWiring Diagram For Welding Generator Wiring Diagram For Auxiliary Power Panels 1 Wiring Diagram For Auxiliary Power Panels 2 Selecting Equipment Auxiliary Power GuidelinesRating Data Grounding When Supplying Building SystemsHow Much Power Does Equipment Require? Earth ground if supplyingFarm/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 Power Required To Start MotorHow Much Power Can Generator Supply? Single-Phase Induction Motor Starting Requirements 120 Single-Phase Power Company Service Obtain and install correct switch Safety practicesCurrent Load Watts Amperes Selecting Extension Cord Use Shortest Cord PossibleStick Welding Smaw Guidelines Stick Welding ProcedureWeld current starts when electrode touches work- piece Striking an Arc Tapping Technique Electrode and Amperage Selection ChartStriking an Arc Scratch Start Technique 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 Excessive Penetration Troubleshooting Incomplete FusionTroubleshooting Lack Of Penetration Troubleshooting Distortion Troubleshooting Burn-ThroughTroubleshooting Waviness Of Bead OM-498 31-Fig Parts ListDia Part Europe America CanadaSouth Africa Australia Auxiliary Power Panel 495 290 Europe Auxiliary Power Panel 495 CanadaAuxiliary Power Panel 495 253 South Africa Auxiliary Power Panel 495 289 AustraliaOM-498 Support ServiceCall Contact your Distributor forHobart Welding Products