Recall & Review
beginner
What is CNC machining?
CNC machining uses computer-controlled machines to cut and shape materials automatically based on programmed instructions.
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beginner
How does manual machining differ from CNC machining?
Manual machining is done by hand using tools controlled directly by a person, while CNC machining is automated and controlled by a computer program.
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beginner
Name one advantage of CNC machining over manual machining.
CNC machining offers higher precision and repeatability because the computer controls every movement exactly the same way each time.
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beginner
What is a common limitation of manual machining?
Manual machining can be slower and less precise because it depends on the skill and steadiness of the operator.
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beginner
Why might a workshop choose manual machining over CNC?
Manual machining is often chosen for simple jobs, quick fixes, or when the cost of CNC programming and setup is not justified.
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Which machining method uses computer programs to control the tools?
✗ Incorrect
CNC machining uses computer programs to automate tool movements.
What is a key benefit of manual machining?
✗ Incorrect
Manual machining does not require programming, making it simpler for quick or simple tasks.
Which is true about CNC machining?
✗ Incorrect
CNC machines can produce identical parts with high repeatability.
Why might manual machining be slower?
✗ Incorrect
Manual machining speed depends on the operator's skill and effort.
Which machining method is best for mass production?
✗ Incorrect
CNC machining is ideal for mass production due to automation and consistency.
Explain the main differences between CNC and manual machining.
Think about who controls the machine and how that affects the work.
You got /5 concepts.
Describe situations where manual machining might be preferred over CNC machining.
Consider when automation might not be necessary or cost-effective.
You got /4 concepts.