In an MIG lap weld, the arc is directed to penetrate both pieces of metal, while triggering a timed impulse of wire feed.

Name: In an MIG lap weld, the arc is directed to penetrate both pieces of metal, while triggering a timed impulse of wire feed.
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In an MIG (Metal Inert Gas) lap weld, the arc is directed to melt and join the overlapping edges of the two pieces of metal, but it does not involve a timed impulse of wire feed specifically for penetration. The wire feed is typically continuous.

In an MIG Lap Weld, the Arc Is Directed to Penetrate