Hobart Welding Products 210 manual Conditions That Affect Weld Bead Shape, Cored wire

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9-4. 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°
			. Use a Drag Technique
	Perpendicular	Drag	with self-shielding flux
	Perpendicular	Drag	cored wire.
			cored wire.

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-227 978 Page 33

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Contents Processes OM-227 978ADescription 2006−12From Hobart to You Table of Contents − Parts List Marks a special safety message Symbol UsageArc Welding Hazards Electric Shock can killWelding can cause fire or explosion ARC Rays can burn eyes and skinFlying Metal can injure eyes Buildup of GAS can injure or killCalifornia Proposition 65 Warnings EMF Information Principal Safety StandardsAbout Pacemakers LES Fumées ET LES GAZ peuvent être dangereux UNE Décharge Électrique peut entraîner la mortIndique un message de sécurité particulier Incendie ou une explosion LE Soudage peut provoquer unDES Particules Volantes peuvent blesser les yeux DES Pièces Chaudes peuvent provoquer des brûlures gravesLA Chute DE L’APPAREIL peut blesser Risque D’INCENDIE OU D’EXPLO’EMPLOI Excessif peut SUR DES Organes Mobiles peuvent provoquer des blessuresEn ce qui concerne les stimulateurs cardiaques Principales normes de sécuritéSymbols And Definitions − SpecificationsSpecifications − DefinitionsVolt-Ampere Curves Duty Cycle And OverheatingAmperes OutputInstalling Welding Gun − InstallationInstalling Work Clamp Changing Polarity Process/Polarity TableInstalling Gas Supply Do not move or operate unit where it could tip Selecting a Location And Connecting Input PowerFirst, and never to a line ter- minal Installing Wire Spool And Adjusting Hub Tension Electrical Service GuideFlux Nozzle Installing Contact Tip And NozzleAppropriate setting Connecting Optional Spool GunHold wire tightly to keep it from unraveling Threading Welding WireControls − OperationWeld Parameter Chart For 230 VAC Model 227 949-A Routine Maintenance − Maintenance &TROUBLESHOOTINGOverload Protection Drive Motor ProtectionTurn Off power before replacing contact tip Changing Drive Roll Or Wire Inlet GuideReplacing Gun Contact Tip Disconnect gun from unit Cleaning Or Replacing Gun LinerTo Reassemble Gun Replacing Switch And/Or Head Tube Trouble Remedy Troubleshooting TableDoes not run OM-227 978 Circuit Diagram − Electrical Diagram227 951-A Typical MIG Process Connections − MIG Welding Gmaw GuidelinesWire Size Amperage Range Typical MIG Process Control SettingsThickness to Amperage a AmperageHolding And Positioning Welding Gun Conditions That Affect Weld Bead Shape Cored wireGood Weld Bead Characteristics Poor Weld Bead CharacteristicsGun Movement During Welding Troubleshooting − Porosity Troubleshooting − Excessive SpatterTroubleshooting − Excessive Penetration Possible Causes Corrective ActionsTroubleshooting − Incomplete Fusion Troubleshooting − Lack Of PenetrationTroubleshooting − Burn-Through Troubleshooting − Distortion Troubleshooting − Waviness Of BeadCommon MIG Shielding Gases ApplicationWire does not feed Troubleshooting Guide For Semiautomatic Welding EquipmentOM-227 978 Main Assembly − Parts ListDia Part Description Quantity Dia Part Description Quantity Mkgs 231 H-14 GunOptions Optional Drive RollsConsumables Page Work like a Pro Support ServiceAssistance Hobart Welding Products Contact your Distributor for

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