MIG

Question 1

Describe with the aid of a diagram MIG (Metal Inert Gas Welding)

Answer 1

Draw setup and zoomed in view of the arc. Write bullet points on key points.

Question 2

Describe the welding process shown under the following guidelines:

(i) Name
(ii) Method of operation
(iii) Applications

Answer 2

Name = MIG

Method of operation =

1. The operator holds a gun which feeds a bare consumable filler wire electrode from a reel.
2. The gun issues gas over the weld area to prevent it oxidising.
3. MIG welding uses an inert gas such as argon.

Applications = Used to weld thin sheets and thick pieces of steel