Hobart Welding Products 150, 120 Conditions That Affect Weld Bead Shape, Push PerpendicularDrag

Page 36

7-4. Conditions That Affect Weld Bead Shape

NOTE

Weld bead shape depends on gun angle, direction of travel, electrode extension (stickout), travel speed, thickness of base metal, wire feed speed (weld current), and voltage.

10°

Push° 10

PerpendicularDrag

GUN ANGLES AND WELD BEAD PROFILES

Short

Normal

Long

 

ELECTRODE EXTENSIONS (STICKOUT)

 

 

 

 

ShortNormalLong

FILLET WELD ELECTRODE EXTENSIONS (STICKOUT)

Slow

Normal

Fast

 

GUN TRAVEL SPEED

 

S-0634

OM-210 088 Page 32

Image 36
Contents OM-210 088D ProcessesDescription From Hobart to You Table of Contents Page Symbol Usage Marks a special safety messageArc Welding Hazards Electric Shock can killARC Rays can burn eyes and skin Welding can cause fire or explosionFlying Metal can injure eyes Buildup of GAS can injure or killPrincipal Safety Standards EMF Information About PacemakersSignification des symboles Consignes DE Securite Lire Avant UtilisationUN Choc É Lectrique peut tuer LES Fumé ES ET LES GAZ peuvent ê tre dangereuxLE Soudage peut provoquer un incendie ou une explosion DES Particules Volantes peuvent blesser les yeuxLE Bruit peut affecter l’ouïe Risque D’INCENDIE OU LA Chute DE L’APPAREIL peut blesser’EMPLOI Excessif peut DES Organes Mobiles peuvent provoquer des blessuresPrincipales normes de sé curité Information sur les champs é lectromagné tiquesConsignes relatives aux stimulateurs cardiaques Specifications SpecificationsVAC Model Duty Cycle And Overheating 30%dutycycle at 90 amps Minutes WeldingOverheating Reduce Duty Cycle MinutesVolt-Ampere Curves Installation Installing Welding GunChanging Polarity Process/Polarity TableInstalling Gas Supply Flow Adjust460 mm Do not move or operate unit Where it could tip 18 in 457 mm of space for airflowL2 L1 230 VAC Electrical Service Guide For 230 VAC Model Installing Wire Spool And Adjusting Hub TensionStandard Wire Spool 8 Lb Wire Spool 4 Adjusting Hub TensionThreading Welding Wire Cut off wire. Close and latch doorRemove gun nozzle and contact tip Voltage Switch Power SwitchOperation ControlsWeld Parameters For 120 VAC Model Weld Parameters For 230 VAC Model Maintenance &TROUBLESHOOTING Routine MaintenanceDisconnect power before maintaining Overload ProtectionChanging Drive Roll Or Wire Inlet Guide Turn Off power before replacing contact tipReplacing Gun Contact Tip Cleaning Or Replacing Piecemaker 14-A Gun Liner Disconnect gun from unitTo Reassemble Gun Troubleshooting Table Secure power cord plug in receptacle see SectionTrouble Remedy OM-210 088 Electrical Diagram OM-187 926Circuit Diagram For 120 VAC CSA Model Circuit Diagram For 230 VAC Model Regulator Flowmeter Wire Feeder Power Source Shielding Gas MIG Welding Gmaw GuidelinesTypical MIG Process Connections Gun Workpiece Work ClampTypical MIG Process Control Settings Wire Recommendation Wire SpeedSelect Wire Size Select VoltageHolding And Positioning Welding Gun Conditions That Affect Weld Bead Shape Push PerpendicularDragShort Normal Long ShortNormalLongPoor Weld Bead Characteristics Good Weld Bead CharacteristicsGun Movement During Welding Troubleshooting Excessive Spatter Troubleshooting PorosityTroubleshooting Excessive Penetration Possible Causes Corrective ActionsTroubleshooting Lack Of Penetration Troubleshooting Incomplete FusionTroubleshooting Burn-Through Troubleshooting Waviness Of Bead Troubleshooting DistortionWeld bead Common MIG Shielding Gases ApplicationFlat & Horizontal1 Fillet Parts List Main AssemblyDia Part Mkgs Description Quantity Gun And Cable Assembly, Piecemaker 14-A 177282A-6 024 H 379 177282A-7 379 177 177282A-8379 177 177282A-9 379 177 177282A-10 024 H 177282A-11Optional Drive Rolls Options202 For One Small Gas CylinderService SupportContact your Distributor for Hobart Welding ProductsCall

120, 150 specifications

Hobart Welding Products has long been recognized for delivering high-quality welding solutions, and the Hobart 150,120 welder is no exception. This versatile, compact welder is designed to meet the needs of both hobbyists and professionals alike, making it a popular choice among welders in various industries.

One of the main features of the Hobart 150,120 is its dual voltage capability. It operates on both 120V and 240V power sources, providing users the flexibility to work in a variety of environments, whether at home or in a professional shop setting. This feature makes it particularly appealing for welding enthusiasts who may not always have access to higher voltage outlets.

The welder is equipped with a robust 30-140 amp output range, allowing users to tackle a wide range of welding tasks. This output capability supports a variety of materials, including mild steel, stainless steel, and aluminum, with thicknesses up to 1/4 inch. Whether you're working on auto repair, fabrication projects, or DIY tasks around the house, the Hobart 150,120 is well-suited for the job.

Another significant advantage of the Hobart 150,120 is its user-friendly design. The welder features an easy-to-read control panel that allows users to adjust the settings conveniently. The intuitive parameters ensure that both beginners and experienced welders can quickly achieve optimal results. Additionally, it incorporates a built-in thermal overload protection feature to prevent overheating, enhancing safety during operation.

In terms of technology, the Hobart 150,120 utilizes a MIG welding process that simplifies the welding experience. This process feeds a continuously welding wire through the welding gun, reducing the need for frequent reloading and ensuring a smooth, consistent weld. The inclusion of a gas solenoid also enables users to switch between gas-shielded and flux-cored wire, providing versatility for different applications.

Lastly, the compact design of the Hobart 150,120 makes it portable and easy to store, which is particularly advantageous for users with limited workspace. With its combination of robust features, advanced technologies, and user-friendly operation, the Hobart 150,120 welder stands out as an excellent choice for anyone looking to achieve high-quality welds with efficiency and ease. It firmly establishes Hobart Welding Products as a leader in the welding market.