Label the parts of the dividing head indicated in FIGURE 5.5 according to the letters A–H.
- NSC Mechanical Technology Welding and Metalwork - Question 5 - 2017 - Paper 1
Question 5
Label the parts of the dividing head indicated in FIGURE 5.5 according to the letters A–H.
Worked Solution & Example Answer:Label the parts of the dividing head indicated in FIGURE 5.5 according to the letters A–H.
- NSC Mechanical Technology Welding and Metalwork - Question 5 - 2017 - Paper 1
Step 1
A: Side and face milling cutters
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Answer
The side and face milling cutters are used for producing flat surfaces and cutting through the workpiece effectively.
Step 2
B: Vice fixed jaw
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Answer
This part holds the workpiece securely in place during machining operations.
Step 3
C: Parallels
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Answer
Parallels are used to elevate the workpiece to ensure it is aligned properly in relation to the cutter.
Step 4
D: Work piece
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Answer
The workpiece is the material being machined and processed.
Step 5
E: Collars and spacers
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Answer
These components are used to adjust the height and position of the workpiece or cutter as necessary.
Step 6
F: Major/Crest diameter
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Answer
This is the largest diameter of the dividing head and is crucial for calculating the cutting parameters.
Step 7
G: Pitch diameter
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The pitch diameter is the diameter of the theoretical cylinder where the gear teeth theoretically engage.
Step 8
H: Minor or Root diameter
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Answer
This diameter represents the smallest diameter of the gear teeth and is important for understanding the component's geometry.
