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Questions and Answers
What does GMAW stand for?
Gas Metal Arc Welding
What is the purpose of the external gas in GMAW?
To shield the weld
What is continuously fed from a spool to the arc zone in GMAW?
Consumable electrode wire
Why is GMAW considered a semi-automatic process?
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What is the range of wire diameters used in GMAW?
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Study Notes
Gas Metal Arc Welding (GMAW)
- GMAW stands for Gas Metal Arc Welding.
Process Overview
- The external gas in GMAW protects the arc and molten metal from atmospheric gases, such as nitrogen and oxygen.
Wire Feeding
- A continuous wire electrode is fed from a spool to the arc zone in GMAW.
Process Characteristics
- GMAW is considered a semi-automatic process because the wire is continuously fed, but the gun movement and weld direction are controlled manually.
Wire Specifications
- The range of wire diameters used in GMAW is typically from 0.6 mm to 2.4 mm.
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Description
Test your knowledge of Metal Inert Gas Welding (MIG, GMAW) with this quiz. Explore the process, equipment, and techniques involved in this arc welding method, which utilizes external gas shielding and consumable electrode wire.
