Conditions That Affect Weld Bead Shape

8-4. Conditions That Affect Weld Bead Shape

.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°

Perpendicular

Drag

GUN ANGLES AND WELD BEAD PROFILES

Short

Normal

Long

ELECTRODE EXTENSIONS (STICKOUT)

Short

Normal

Long

FILLET WELD ELECTRODE EXTENSIONS (STICKOUT)

Slow

Normal

Fast

GUN TRAVEL SPEED

S-0634

OM-230 693 Page 39

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Miller Electric OM-230 Conditions That Affect Weld Bead Shape, Push Perpendicular Drag, Short Normal Long, Slow Normal

Contents

File MIG Gmaw OM-230 693CProcesses Description From Miller to You Table of Contents − MIG Welding Gmaw Guidelines − Parts ListTypical MIG Process Connections HOT Parts can cause severe burns Symbol UsageArc Welding Hazards Electric Shock can kill Flying Metal or Dirt can injure eyes Fumes and Gases can be hazardousARC Rays can burn eyes and skin Welding can cause fire or explosion Moving Parts can cause injury Welding Wire can cause injuryFire or Explosion hazard Falling Unit can cause injury About Implanted Medical Devices Principal Safety StandardsCalifornia Proposition 65 Warnings EMF Information UNE Décharge Électrique peut entraîner la mort Symboles utilisés LES Fumées ET LES GAZ peuvent être dangereux DES Pièces Chaudes peuvent provoquer des brûlures gravesLE Soudage peut provoquer un in cendie ou une explosion LA Chute DE L’APPAREIL peut blesser LE Bruit peut endommager l’ouïeLES Bouteilles peuvent exploser si elles sont endommagées Risque D’INCENDIE OU D’EXPLO LES Fils DE Soudage peuvent provoquer des blessures Proposition californienne 65 AvertissementsLE Soudage À L’ARC risque de provoquer des interférences Information EMF Principales normes de sécuritéEn ce qui concerne les implants médicaux OM-230 693 Specifications Symbols And Definitions Volt-Ampere Curves Welding Power Source Duty Cycle And OverheatingOverheating Installing Work Cable And Clamp Connecting To Weld Output Terminals Connecting Spoolmatic 15A Or 30A Gun Gun End Gun Liner Wire Outlet Guide Connecting XR Aluma-Pro, XR Edge, XR-A Gun, Or XR-A Python32 in 2.4 mm 11/16 Setting Gun Polarity For Wire TypeInstalling Gas Supply Polarity Changeover Label Information Positioning Jumper Links Installing Wire Spool And Adjusting Hub Tension 127 206 Electrical Service GuideInput Voltage 200 230 460 575 18 in 457 mm of space for airflow =GND/PE Earth Ground Selecting a Location And Connecting Input PowerL2L1 230 VAC Remove gun nozzle and contact tip Threading Welding WirePressure Scale OM-230 693 Weld Parameters 226 650-B Controls − Operation Run−in Wire Feed Speed Settings JOG ModeTrigger and pull the trigger again momentarily one second Welding Status Voltmeter And Wire Feed Speed Meter OperationJog Mode Power Up Status Timers Set Up Push Motor Torque SUP Or Reset rES Changing Drive Roll and Wire Inlet Guide Routine MaintenanceUnit Overload View is from top of drive rolls Aligning Drive Rolls and Wire GuideTurn Off power Assembly open Troubleshooting Trouble Remedy OM-230 693 − Electrical Diagram 229 485-A Typical MIG Process Connections − MIG Welding Gmaw Guidelines Select Voltage Typical MIG Process Control SettingsWire Size Amperage Range Select Wire Size Recommendation Wire Speed Side View Of Gun Angle Holding And Positioning Welding Gun Slow Normal Conditions That Affect Weld Bead ShapePush Perpendicular Drag Short Normal Long Good Weld Bead Characteristics Poor Weld Bead CharacteristicsGun Movement During Welding Possible Causes Corrective Actions Troubleshooting − Excessive SpatterTroubleshooting − Porosity Troubleshooting − Excessive Penetration Troubleshooting − Incomplete Fusion Troubleshooting − Lack Of PenetrationTroubleshooting − Burn-Through Troubleshooting − Distortion Troubleshooting − Waviness Of BeadWeld bead Common MIG Shielding Gases Troubleshooting Guide For Semiautomatic Welding EquipmentApplication Drive rolls if necessary Welding arc not stable Wire slipping in drive rollsReadjust welding parameters Welding power source 0.9 mm 204 Drive Roll And Wire Guide Kits087 Grooved 056 Your distributor also gives ServiceSupport Your distributor and/or equipment manufacturer’s To locate a Distributor or Service Agency visitMiller Electric Mfg. Co For assistance in filing or settling claims, contact

Miller Electric OM-230 manual Conditions That Affect Weld Bead Shape, Push Perpendicular Drag

Models: OM-230

8-4. Conditions That Affect Weld Bead Shape

Push°

Perpendicular

Drag

Short

Normal

Long

Slow

Normal

OM-230 693 Page 39