GMAW - Gas Metal Arc Welding (Questions + Answers) Solved

Active shielding gases were added to the GMAW process for welding what kind of metals? - ️️ferrous metals A ___________________ clamp is attached to the workpiece to complete the circuit. - ️️ground wire GMAW - ️️Name used by the American Welding Society for Gas Metal Arc Welding GMAW is also know as... - ️️Metal Inert Gas (MIG) or Metal Active Gas (MAG) depending on gas used for shielding The GMAW process was developed and made commercially available when? - ️️1948 The GMAW process was introduced when? - ️️the 1920's early commercial applications were used to weld aluminum with what inert gas? - ️️Argon or Helium What is the most common names associated with Gas Metal Arc Welding? - ️️MIG What does MIG stand for? - ️️metal inert gas what is the formally accepted term for the GMAW process? - ️️AWS the feed to the welding gun is measured in what? - ️️inches per minute Upon __________________ with the work piece, heat is generated from the resistance of the electrical current. - ️️contact The ______________ helps to stabilize the arc and protect the molten filler. - ️️shielding gas A build up of _____________________ in the nozzle can restrict the gas flow. - ️️weld spatter A loss of shielding gas will cause the weld to become ____________________ and __________________. - ️️black, porousGMAW can be used with these metals. - ️️stainless steel, aluminum, steel, other alloys GMAW can be used to on various ____________ of metal - ️️thicknesses GMAW can be used in ___________ position/s - ️️any GMAW produces little or now____________. - ️️slag GMAW is difficult to do _________________________. - ️️outdoors When used outdoors the ____________________ tends to blow away. - ️️shielding gas Compared to stick welding, the supplies for GMAW are more or less expensive? - ️️more For High speed or high quality welds the base metal must be ____________________. - ️️clean electrode extension - ️️the distance from the contact tip to the electrode increasing the electrode extension - ️️lowers the current flow and decreases penetration decreasing the electrode extension - ️️increases the current flow causing deeper penetration travel speed - ️️the speed which the welding gun is moved across the weld piece direction of travel- BACKHAND - ️️pulling the gun across the workpiece opposite the direction the gun is pointing. direction of travel- FOREHAND - ️️pushing the gun in the direction the gun is pointing torch/gun angle- longitudinal - ️️torch angle is measured along the weld torch/gun angle- transverse - ️️torch angle is measured across the weld The heat melts the ____________________ and base metal to make a fusion weld. - ️️electrodeThe ___________________________ is fed from the wire feeder through the welding gun. - ️️bare wire electrode