Electric Arc Welding (Leaving Cert Engineering): Flashcards
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14 cards from this deck
What does MIG stand for?
What does MIG stand for?
Metal Inert Gas
What type of process is MIG welding?
What type of process is MIG welding?
Semi-automatic
What type of electrode does MIG welding use?
What type of electrode does MIG welding use?
Consumable wire, continuously fed from reel
Main advantage of MIG over MMA welding?
Main advantage of MIG over MMA welding?
Continuous wire feed, no frequent electrode changes
What power supply does MIG welding use?
What power supply does MIG welding use?
Direct current (DC)
Does MIG electrode have flux coating?
Does MIG electrode have flux coating?
No flux coating
How is the weld protected in MIG welding?
How is the weld protected in MIG welding?
Separate gas shielding system
What are the main MIG shielding gases?
What are the main MIG shielding gases?
or Argon
Why use /Argon in MIG welding?
Why use /Argon in MIG welding?
Non-reactive, won't interfere with welding
How is wire feed controlled in MIG welding?
How is wire feed controlled in MIG welding?
Motor and trigger on welding gun
What material is MIG particularly effective for?
What material is MIG particularly effective for?
Mild steel
Ideal applications for MIG welding?
Ideal applications for MIG welding?
Lighter work like car panel assembly
Function of contact tube in MIG?
Function of contact tube in MIG?
Conducts electrical current to wire electrode
Function of gas nozzle in MIG?
Function of gas nozzle in MIG?
Directs protective gas around weld area