Cutting fluids are used in a range of engineering machines - Leaving Cert Engineering - Question 8 - 2022
Question 8
Cutting fluids are used in a range of engineering machines.
(i) Name two types of cutting fluid.
(ii) Explain cutting fluid rancidity.
(iii) Outline two reasons f... show full transcript
Worked Solution & Example Answer:Cutting fluids are used in a range of engineering machines - Leaving Cert Engineering - Question 8 - 2022
Step 1
Name two types of cutting fluid.
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Answer
Water-soluble oils
Mineral oils
Step 2
Explain cutting fluid rancidity.
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Answer
Rancidity in cutting fluids is caused by the growth of bacteria and other microscopic organisms within the fluid. These microorganisms thrive in the warm, nutrient-rich environment of the cutting fluid, leading to the breakdown of the fluid's components. This process results in a poor odor and the presence of unpleasant and potentially hazardous bacteria, which can pose health risks to operators.
Step 3
Outline two reasons for using cutting fluids in machining operations.
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Answer
Extending tool life by reducing wear and tear on cutting tools during operation.
Cooling the cutting tool and the workpiece, which helps prevent thermal damage and improves machining performance.
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