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The ideal cutting fluid for low speed machining of metals should be one which
[ME 1988]
- a)removes the heat faster from the cutting zone
- b)forms a coating on the cutting tools by Chemical reaction
- c)forms a low shear strength film of work material at the tool chip interface
- d)serves as a dielectric, minimizing thereby reactions due to EMF at the interface
Correct answer is option 'A'. Can you explain this answer?
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The ideal cutting fluid for low speed machining of metals should be on...
Function of cutting fluid
(1) Cooling
(2) Lubrication
(3) Cleaning
(4) Save from external contamination.
(1) Cooling
(2) Lubrication
(3) Cleaning
(4) Save from external contamination.
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The ideal cutting fluid for low speed machining of metals should be on...
Answer:
When it comes to low-speed machining of metals, the choice of cutting fluid plays a crucial role in ensuring the efficiency and effectiveness of the process. The ideal cutting fluid should possess certain characteristics that aid in enhancing the machining process. Among the given options, option 'A' - removing the heat faster from the cutting zone - is the correct answer. Let's delve deeper into why this is the case.
Importance of Heat Removal:
During machining, the cutting tool generates heat due to the friction between the tool and the workpiece. This heat can lead to several issues such as premature tool wear, dimensional inaccuracies, and even damage to the workpiece itself. Hence, it is crucial to remove the heat efficiently from the cutting zone.
Heat Transfer Mechanism:
Heat transfer in metal cutting occurs through various mechanisms, including conduction, convection, and radiation. Cutting fluids primarily aid in heat removal by enhancing the convection process. They absorb the heat generated during machining and carry it away from the cutting zone, thus preventing excessive heat buildup.
Advantages of Faster Heat Removal:
1. Reduced Tool Wear: When heat is removed faster, the tool temperature remains within an acceptable range. This prevents the tool material from reaching its critical temperature, which can lead to accelerated wear and tool failure.
2. Improved Surface Finish: Excessive heat can cause workpiece material to soften or melt, resulting in poor surface finish. By removing heat quickly, the cutting fluid helps in maintaining the desired material properties, ensuring a better surface finish.
3. Enhanced Machining Efficiency: Efficient heat removal allows for higher cutting speeds, as it reduces the thermal effects on the cutting tool and workpiece. This leads to increased productivity and reduced machining time.
4. Extended Tool Life: By dissipating heat effectively, the cutting fluid prevents thermal fatigue and prolongs the tool's life. This results in cost savings by reducing tool replacement frequency.
5. Improved Chip Control: Faster heat removal helps in controlling chip formation and evacuation. It prevents the chips from sticking to the cutting tool, improving chip control and reducing the chances of chip-induced tool failure.
In conclusion, the ideal cutting fluid for low-speed machining of metals should remove heat faster from the cutting zone. This characteristic ensures better tool life, improved surface finish, enhanced machining efficiency, and overall process stability.
When it comes to low-speed machining of metals, the choice of cutting fluid plays a crucial role in ensuring the efficiency and effectiveness of the process. The ideal cutting fluid should possess certain characteristics that aid in enhancing the machining process. Among the given options, option 'A' - removing the heat faster from the cutting zone - is the correct answer. Let's delve deeper into why this is the case.
Importance of Heat Removal:
During machining, the cutting tool generates heat due to the friction between the tool and the workpiece. This heat can lead to several issues such as premature tool wear, dimensional inaccuracies, and even damage to the workpiece itself. Hence, it is crucial to remove the heat efficiently from the cutting zone.
Heat Transfer Mechanism:
Heat transfer in metal cutting occurs through various mechanisms, including conduction, convection, and radiation. Cutting fluids primarily aid in heat removal by enhancing the convection process. They absorb the heat generated during machining and carry it away from the cutting zone, thus preventing excessive heat buildup.
Advantages of Faster Heat Removal:
1. Reduced Tool Wear: When heat is removed faster, the tool temperature remains within an acceptable range. This prevents the tool material from reaching its critical temperature, which can lead to accelerated wear and tool failure.
2. Improved Surface Finish: Excessive heat can cause workpiece material to soften or melt, resulting in poor surface finish. By removing heat quickly, the cutting fluid helps in maintaining the desired material properties, ensuring a better surface finish.
3. Enhanced Machining Efficiency: Efficient heat removal allows for higher cutting speeds, as it reduces the thermal effects on the cutting tool and workpiece. This leads to increased productivity and reduced machining time.
4. Extended Tool Life: By dissipating heat effectively, the cutting fluid prevents thermal fatigue and prolongs the tool's life. This results in cost savings by reducing tool replacement frequency.
5. Improved Chip Control: Faster heat removal helps in controlling chip formation and evacuation. It prevents the chips from sticking to the cutting tool, improving chip control and reducing the chances of chip-induced tool failure.
In conclusion, the ideal cutting fluid for low-speed machining of metals should remove heat faster from the cutting zone. This characteristic ensures better tool life, improved surface finish, enhanced machining efficiency, and overall process stability.
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The ideal cutting fluid for low speed machining of metals should be one which[ME 1988]a)removes the heat faster from the cutting zoneb)forms a coating on the cutting tools by Chemical reactionc)forms a low shear strength film of work material at the tool chip interfaced)serves as a dielectric, minimizing thereby reactions due to EMF at the interfaceCorrect answer is option 'A'. Can you explain this answer?
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The ideal cutting fluid for low speed machining of metals should be one which[ME 1988]a)removes the heat faster from the cutting zoneb)forms a coating on the cutting tools by Chemical reactionc)forms a low shear strength film of work material at the tool chip interfaced)serves as a dielectric, minimizing thereby reactions due to EMF at the interfaceCorrect answer is option 'A'. Can you explain this answer? for Mechanical Engineering 2024 is part of Mechanical Engineering preparation. The Question and answers have been prepared according to the Mechanical Engineering exam syllabus. Information about The ideal cutting fluid for low speed machining of metals should be one which[ME 1988]a)removes the heat faster from the cutting zoneb)forms a coating on the cutting tools by Chemical reactionc)forms a low shear strength film of work material at the tool chip interfaced)serves as a dielectric, minimizing thereby reactions due to EMF at the interfaceCorrect answer is option 'A'. Can you explain this answer? covers all topics & solutions for Mechanical Engineering 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for The ideal cutting fluid for low speed machining of metals should be one which[ME 1988]a)removes the heat faster from the cutting zoneb)forms a coating on the cutting tools by Chemical reactionc)forms a low shear strength film of work material at the tool chip interfaced)serves as a dielectric, minimizing thereby reactions due to EMF at the interfaceCorrect answer is option 'A'. Can you explain this answer?.
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