Exam (elaborations)
WELDING 1- MIG WELDING EXAM QUESTIONS AND ANSWERS
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WELDING 1- MIG WELDING EXAM QUESTIONS AND ANSWERS...
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WELDING 1- MIG WELDING EXAMQUESTIONS AND ANSWERS
MIG
Metal Inert Gas, also known as Gas Metal Arc welding is the most frequent
form of welding in the modern manufacturing industry.
MIG Process
Semi-automatic process which feeds a continuous wire electrode through a
welding gun to the work. A shielding gas is given out around the wire and weld
pool to stop contamination. Electric power is transferred to the wire at the
contact tip.
Wire Feed
Consisting of two rollers which rotate to feed wire through the gun.
Weld Gun
Is designed to provide electrical pickup to the wire from the contact tip and
deliver shielding gas to protect weld metal.
Contact Tip
Electrical contact point where wire leaves the welding gun. Needs to be kept
clean to avoid blockages.
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