4.1 Which ONE of the following is an advantage of the tailstock set-over method for taper turning on the centre lathe?
A - NSC Mechanical Technology Fitting and Machining - Question 4 - 2019 - Paper 1
Question 4
4.1 Which ONE of the following is an advantage of the tailstock set-over method for taper turning on the centre lathe?
A. Long tapers can be cut
B. Internal tapers ... show full transcript
Worked Solution & Example Answer:4.1 Which ONE of the following is an advantage of the tailstock set-over method for taper turning on the centre lathe?
A - NSC Mechanical Technology Fitting and Machining - Question 4 - 2019 - Paper 1
Step 1
Which ONE of the following is an advantage of the tailstock set-over method for taper turning on the centre lathe?
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Answer
B. Internal tapers can be cut.
The tailstock set-over method allows for precise adjustments, enabling the cutting of internal tapers efficiently.
Step 2
Identify the milling process in FIGURE 4.2 below.
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Answer
B. Gang milling.
Gang milling involves using multiple milling cutters to machine several components simultaneously, which is characteristic of the process depicted in the figure.
Step 3
Which indexing process using the universal dividing head will be the easiest method to cut a gear with 30 teeth?
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Answer
A. Rapid indexing.
Rapid indexing allows for quicker adjustments and setup, making it ideal for cutting gears with specific tooth counts efficiently.
Step 4
What is meant by the term incremental programming on a three-axis digital read-out system on a computer numeric control (CNC) machine?
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Answer
Incremental programming refers to the method where each movement is determined based on its previous position. This approach allows for precise control over the machining process and ensures accuracy in repetitive tasks. The point of reference is taken from the zero point.
