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Friction between chip and tool can be reduced by-
- a)increasing rake angle
- b)increasing shear angle
- c)increasing depth of cut
- d)increasing cutting velocity
Correct answer is option 'D'. Can you explain this answer?
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Friction between chip and tool can be reduced by-a)increasing rake an...
The friction between tool and chip can be reduced by increasing the cutting speed.
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Friction between chip and tool can be reduced by-a)increasing rake an...
Reducing Friction between Chip and Tool
Friction between chip and tool is one of the major challenges faced during machining processes. It causes excessive heat generation, tool wear, and poor surface finish. However, the friction can be reduced by increasing the cutting velocity. The following points explain why:
Increased Temperature
- When cutting velocity is increased, the temperature at the cutting zone also increases.
- The increase in temperature softens the material being machined, making it easier for the tool to cut through.
- This reduces the forces acting on the tool and chip, hence reducing the friction between them.
Reduced Contact Time
- When cutting velocity is increased, the tool spends less time in contact with the workpiece material.
- This reduces the chances of adhesion and built-up edge formation, which contribute to friction between the chip and tool.
Chip Breaking
- At high cutting velocities, chips tend to break into smaller pieces.
- Smaller chips have less contact area with the tool, hence reducing the friction between them.
Conclusion
In conclusion, increasing cutting velocity is an effective way of reducing friction between chip and tool during machining processes. This reduces tool wear, heat generation, and improves surface finish.
Friction between chip and tool is one of the major challenges faced during machining processes. It causes excessive heat generation, tool wear, and poor surface finish. However, the friction can be reduced by increasing the cutting velocity. The following points explain why:
Increased Temperature
- When cutting velocity is increased, the temperature at the cutting zone also increases.
- The increase in temperature softens the material being machined, making it easier for the tool to cut through.
- This reduces the forces acting on the tool and chip, hence reducing the friction between them.
Reduced Contact Time
- When cutting velocity is increased, the tool spends less time in contact with the workpiece material.
- This reduces the chances of adhesion and built-up edge formation, which contribute to friction between the chip and tool.
Chip Breaking
- At high cutting velocities, chips tend to break into smaller pieces.
- Smaller chips have less contact area with the tool, hence reducing the friction between them.
Conclusion
In conclusion, increasing cutting velocity is an effective way of reducing friction between chip and tool during machining processes. This reduces tool wear, heat generation, and improves surface finish.
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Friction between chip and tool can be reduced by-a)increasing rake angleb)increasing shear anglec)increasing depth of cutd)increasing cutting velocityCorrect answer is option 'D'. Can you explain this answer?
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Friction between chip and tool can be reduced by-a)increasing rake angleb)increasing shear anglec)increasing depth of cutd)increasing cutting velocityCorrect answer is option 'D'. Can you explain this answer? for SSC 2024 is part of SSC preparation. The Question and answers have been prepared according to the SSC exam syllabus. Information about Friction between chip and tool can be reduced by-a)increasing rake angleb)increasing shear anglec)increasing depth of cutd)increasing cutting velocityCorrect answer is option 'D'. Can you explain this answer? covers all topics & solutions for SSC 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Friction between chip and tool can be reduced by-a)increasing rake angleb)increasing shear anglec)increasing depth of cutd)increasing cutting velocityCorrect answer is option 'D'. Can you explain this answer?.
Friction between chip and tool can be reduced by-a)increasing rake angleb)increasing shear anglec)increasing depth of cutd)increasing cutting velocityCorrect answer is option 'D'. Can you explain this answer? for SSC 2024 is part of SSC preparation. The Question and answers have been prepared according to the SSC exam syllabus. Information about Friction between chip and tool can be reduced by-a)increasing rake angleb)increasing shear anglec)increasing depth of cutd)increasing cutting velocityCorrect answer is option 'D'. Can you explain this answer? covers all topics & solutions for SSC 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Friction between chip and tool can be reduced by-a)increasing rake angleb)increasing shear anglec)increasing depth of cutd)increasing cutting velocityCorrect answer is option 'D'. Can you explain this answer?.
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