themes of gas metal arc welding... I need by report.... so give me like that pleasee give more...

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Mechanical Engineering

themes of gas metal arc welding...
I need by report....
so give me like that
pleasee give more details about that you can take 5hour

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Contents10 INTRODUCTION220 OBJECTIVES 330 SAFETY IN THEWORKSHOP 331 PersonalProtection 332 Safety Precaution340 Material andTools 450 TYPES OF WELDINGJOINT 951 PatentPendingProcess 952 Close Butt Joints1053 Corner Joints1260 SUGGESTIONS FORIMPROVEMENT 1370 CONCLUSION1410 INTRODUCTIONArc welding is a type of welding that uses awelding power supply to create an electric arc between an electrodeand the base material to melt the metals at the welding point Theycan use either direct DC or alternating AC current andconsumable or nonconsumable electrodes The welding region isusually protected by some type of shielding gas vapor or slagArc welding processes may be manual semiautomatic or fullyautomated First developed in the late part of the 19th centuryarc welding became commercially important in shipbuilding duringthe Second World War Today it remains an important process for thefabrication of steel structures and vehiclesArc welding is one of alternative for joining process inmanufacturing Arc welding process had done by create an electricarc between electrode and the base material to melt the metal atthe welding point using welding power supply The welding region issometimes protected by some type of inert or semiinert gas knownas a shielding gas and sometime adds by an evaporating fillermaterial Shielded metal arc welding SMAW also known as manualmetal arc MMA welding or informally as stick welding is a manualarc welding process that uses a consumable electrode coated in fluxto lay the weld They can use either direct current DC oralternating current AC from a welding power supply used to forman electric arc between the electrode and the metal to be joinedAs the weld is laid the flux coating of the electrodedisintegrates giving off vapors that serve as a shielding gas andproviding a layer of slag both of which protect the weld area fromatmospheric contamination Gas metal arc welding GMAW See Answer

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