Hobart Welding Products 187 manual Conditions That Affect Weld Bead Shape

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9-4. 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
	10°
Perpendicular	Drag

GUN ANGLES AND WELD BEAD PROFILES

Short

Normal

Long

ELECTRODE EXTENSIONS (STICKOUT)

Short

Normal

Long

FILLET WELD ELECTODE EXTENSIONS (STICKOUT)

Slow	Normal	Fast
	GUN TRAVEL SPEED	S-0634
		S-0634

OM-228 187 Page 35

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Contents 2010−01 OM-228 187BProcesses DescriptionProtect Your Investment From Hobart to YouTable of Contents − Parts List HOT Parts can burn Symbol UsageArc Welding Hazards Electric Shock can killFlying Metal or Dirt can injure eyes Fumes and Gases can be hazardousARC Rays can burn eyes and skin Welding can cause fire or explosionMoving Parts can injure Welding Wire can injureFire or Explosion hazard Falling Equipment can injureAbout Implanted Medical Devices Principal Safety StandardsCalifornia Proposition 65 Warnings EMF InformationUNE Décharge Électrique peut entraîner la mort Symboles utilisésLES Pièces Chaudes peuvent provoquer des brûlures LES Fumées ET LES GAZ peuvent être dangereuxLE Soudage peut provoquer un incendie ou une explosion LA Chute DE L’ÉQUIPEMENT peut provoquer des blessures LE Bruit peut endommager l’ouïeLES Bouteilles peuvent exploser si elles sont endommagées Risque D’INCENDIE OULE Soudage À L’ARC risque de provoquer des interférences Proposition californienne 65 AvertissementsLes Pièces Mobiles peuvent causer des blessures LES Fils DE Soudage peuvent provoquer des blessuresPrincipales normes de sécurité Informations relatives aux CEMEn ce qui concerne les implants médicaux OM-228 187 − Definitions − SpecificationsSymbols And Definitions SpecificationsOutput Duty Cycle And OverheatingVolt-Ampere Curves Amperes− Installation Installing Nozzle, Contact Tip, And AdapterInstalling Welding Gun Installing Work Clamp Turn off welding power source Process/Polarity TableChanging Polarity Installing Gas Supply Selecting a Location And Connecting Input Power Installing Wire Spool And Adjusting Hub Tension Electrical Service GuideHold wire tightly to keep it from unraveling Threading Welding WireControls − OperationOM-228 187 CFH Weld Parameter Chart227010 Drive Motor Protection − Maintenance & TroubleshootingRoutine Maintenance Overload ProtectionChanging Drive Roll Or Wire Inlet Guide Thread wire according to Replacing Switch And/Or Head Tube Trouble Remedy Troubleshooting TableOM-228 187 Circuit Diagram − Electrical Diagram228 180-A Typical MIG Process Connections − MIG Welding Gmaw GuidelinesTypical MIG Process Control Settings Wire Size Amperage RangeSelect Voltage Groove Welds Holding And Positioning Welding GunConditions That Affect Weld Bead Shape Poor Weld Bead Characteristics Good Weld Bead CharacteristicsGun Movement During Welding Possible Causes Corrective Actions Troubleshooting − Excessive SpatterTroubleshooting − Porosity Troubleshooting − Excessive PenetrationTroubleshooting − Lack Of Penetration Troubleshooting − Incomplete FusionTroubleshooting − Burn-Through Troubleshooting − Distortion Troubleshooting − Waviness Of BeadTroubleshooting Guide For Semiautomatic Welding Equipment Common MIG Shielding GasesApplication Welding arc not stable Wire slipping in drive rolls Main Assembly − Parts ListDia Part Description Quantity 228 245 H100S2-10 GunOptions Optional Drive RollsService SupportAssistance Hobart Welding Products Contact your Distributor for