Label the MIG-welding equipment indicated in FIGURE 6.1 according to the letters A–I - NSC Mechanical Technology Fitting and Machining - Question 6 - 2017 - Paper 1
Question 6
Label the MIG-welding equipment indicated in FIGURE 6.1 according to the letters A–I.
**Figure 6.1**
Worked Solution & Example Answer:Label the MIG-welding equipment indicated in FIGURE 6.1 according to the letters A–I - NSC Mechanical Technology Fitting and Machining - Question 6 - 2017 - Paper 1
Step 1
A. Regulator
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Answer
The regulator is responsible for controlling the pressure of the gas supplied to the welding process.
Step 2
B. Flow meter
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Answer
The flow meter measures the flow rate of the shielding gas, ensuring appropriate protection during welding.
Step 3
C. Continuous wire reel
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Answer
The continuous wire reel feeds the welding wire automatically into the welding gun.
Step 4
D. Wire feed roller unit
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This unit engages the welding wire and assists in feeding it into the welding gun smoothly.
Step 5
E. Gun conduit
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The gun conduit directs the welding wire from the feed roller to the welding nozzle.
Step 6
F. Welding gun
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The welding gun holds the nozzle and controls the delivery of the wire and shielding gas to the weld area.
Step 7
G. Weld pool
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The weld pool is the molten metal formed during the welding process, where the joint is created.
Step 8
H. Workpiece
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The workpiece is the material being welded together.
Step 9
I. Earth clamp
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The earth clamp provides a return path for the electric current during the welding process, ensuring safety.
