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Questions and Answers
What does GMAW stand for?
What does GMAW stand for?
Gas Metal Arc Welding
What is the purpose of the external gas in GMAW?
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?
What is continuously fed from a spool to the arc zone in GMAW?
Consumable electrode wire
Why is GMAW considered a semi-automatic process?
Why is GMAW considered a semi-automatic process?
What is the range of wire diameters used in GMAW?
What is the range of wire diameters used in GMAW?
Flashcards
What does GMAW stand for?
What does GMAW stand for?
Gas Metal Arc Welding
Purpose of external gas in GMAW?
Purpose of external gas in GMAW?
To shield the weld area from atmospheric contamination.
What is continuously fed in GMAW?
What is continuously fed in GMAW?
Consumable electrode wire.
Why is GMAW semi-automatic?
Why is GMAW semi-automatic?
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GMAW wire diameter range?
GMAW wire diameter range?
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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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