Hobart Welding Products OM-945 manual Positioning Electrode Holder, Poor Weld Bead Characteristics

Page 52

13-5. 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

13-6. 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

 

13-7. Good Weld Bead Characteristics

1

2

3

4

5

1Fine Spatter

2Uniform Bead

3Moderate Crater During Welding

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

4No Overlap

5Good Penetration into Base Metal

S-0052-B

OM-945 Page 48

Image 52
Contents Processes DescriptionFrom Hobart to You Table of Contents Options and Accessories Warranty Symbol Usage Arc Welding HazardsEngine Hazards Compressed Air Hazards Principal Safety Standards California Proposition 65 WarningsEMF Information Radiation can cause interferenceSignification des symboles − Consignes DE Sécurité − Lire Avant UtilisationUN Choc Électrique peut tuer LES Fumées ET LES GAZ peuvent être dangereuxLE Soudage peut provoquer un in- cendie ou une explosion DES Particules Volantes peuvent blesser les yeuxDES Pièces Chaudes peuvent provoquer des brûlures graves LE Bruit peut affecter l’ouïe’AIR Comprimé peut provoquer des blessures ’EMPLOI Excessif peutLE Surchauffement peut endom- mager le moteur électrique LES Étincelles Volantes risquent de provoquer des blessuresLE Soudage À L’ARC risque de provoquer des interférences Pour les moteurs à essencePour les moteurs diesel En ce qui concerne les stimulateurs cardiaques− Specifications Symbol DefinitionsWeld, Power, and Engine Specifications − DefinitionsDimensions, Weights, and Operating Angles Generator Power CurveFuel Consumption All Models Duty CycleMaterial Thickness Reference Chart Volt-Ampere Curves− Installation Installing Welding GeneratorVehicle frame. Always connect a ground wire MountingEngine Prestart Checks Robin-Powered Units Engine Prestart Checks Kohler-Powered UnitsFuel OilActivating The Dry Charge Battery If Applicable Connecting the BatteryDo not overfill battery cells Connect negative −Installing Exhaust Pipe Weld Output TerminalsConnecting To Weld Output Terminals Selecting Weld Cable Sizes− Operating the Welding Generator Front Panel ControlsCold Weather Engine Operation Amperage Selection Table For Stick Smaw ElectrodesInfrequently Loaded− Operating Auxiliary Equipment Standard ReceptaclesOptional Generator Power Receptacles Gfci Receptacle OptionCurrent Available in Amperes 240 Receptacle− Maintenance ROBIN-POWERED Units Routine Maintenance Robin-Powered UnitsMaintenance Label Robin-Powered Units Servicing Air Cleaner Robin−Powered Units Overload Protection Robin-Powered Units Servicing Optional Spark Arrestor Robin-Powered UnitsStop engine. Disconnect nega- tive − battery cable Stop engine and let coolFull Tools Needed Idle Speed Adjustment Adjusting Engine Speed Robin-Powered UnitsWeld/Power Speed Adjustment − Maintenance − KOHLER-POWERED Units Routine Maintenance Kohler-Powered UnitsMaintenance Label Kohler-Powered Units Servicing Air Cleaner Kohler−Powered Units Overload Protection Kohler-Powered Units Servicing Optional Spark Arrestor Kohler-Powered Units802 339-G / S-0842 Adjusting Engine Speed Kohler-Powered Units Stop engine. Reinstall wrapper− Troubleshooting TroubleshootingGenerator Power WeldingEngine Work like a Pro − Electrical Diagram Selecting Equipment − Generator Power GuidelinesGrounding Generator To Truck Or Trailer Frame Grounding When Supplying Building Systems How Much Power Does Equipment Require?Earth ground if supplying Amperes x Volts = WattsApproximate Power Requirements For Industrial Motors Approximate Power Requirements For Farm/Home EquipmentIndustrial Motors Rating Starting Watts Running Watts Farm/Home Equipment Rating Starting Watts Running WattsApproximate Power Requirements For Contractor Equipment Contractor Rating Starting Watts Running WattsPower Required To Start Motor How Much Power Can Generator Supply?Single-Phase Induction Motor Starting Requirements KVA/HP x HP x 1000 = Starting AmperageTypical Connections To Supply Standby Power Selecting Extension Cord Use Shortest Cord Possible Current Load Watts AmperesWeld current starts when electrode touches work- piece Stick Welding Procedure− Stick Welding Smaw Guidelines Striking an Arc − Scratch Start Technique Electrode and Amperage Selection ChartStriking an Arc − Tapping Technique Good Weld Bead Characteristics Poor Weld Bead CharacteristicsPositioning Electrode Holder Conditions That Affect Weld Bead Shape Electrode Movement During WeldingLap Joint Butt JointsTee Joint Troubleshooting − Porosity Troubleshooting − Excessive SpatterWeld Test Possible Causes Corrective ActionsTroubleshooting − Lack Of Penetration Troubleshooting − Incomplete FusionTroubleshooting − Excessive Penetration Troubleshooting − Waviness Of Bead Troubleshooting − Burn-ThroughTroubleshooting − Distortion − Parts List Main Assembly Robin Engine ShownMain Assembly Panel, Front w/Components Panel, Front w/Components -1Item Generator -1Item Support ServiceAssistance Contact your Distributor for Hobart Welding Products
Related manuals
Manual 68 pages 57.29 Kb