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Which milling procedure is shown in FIGURE 1.1? A B C D FIGURE 1.1 - NSC Mechanical Technology Automotive - Question 1 - 2016 - Paper 1
Question 1
Which milling procedure is shown in FIGURE 1.1? A B C D FIGURE 1.1
Worked Solution & Example Answer:Which milling procedure is shown in FIGURE 1.1? A B C D FIGURE 1.1 - NSC Mechanical Technology Automotive - Question 1 - 2016 - Paper 1
Step 1
Identify the Procedure
Answer
The procedure in Figure 1.1 shows a horizontal milling machine where the cutter rotates while the workpiece is fed against the cutter. Given the options provided:
- A: Up-cut milling - which pulls the workpiece against the cutter.
- B: Down-cut milling - which pushes the workpiece against the cutter.
- C: Centring of a milling cutter - which is not depicted here.
- D: None of the above - not applicable.
By analyzing the diagram, the correct milling procedure depicted here is down-cut milling (B), where the cutter moves downward, allowing for a better finish on the material.