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Consider the following statements related to piercing and blanking:
1. Shear on the punch reduces the maximum cutting force.
2. Shear increases the capacity of the press needed.
3. Shear increases life of the punch.
4. The total energy needed to make the cut remains unaltered due to provision of shear.
Which of the abvoe statements are correct?
1. Shear on the punch reduces the maximum cutting force.
2. Shear increases the capacity of the press needed.
3. Shear increases life of the punch.
4. The total energy needed to make the cut remains unaltered due to provision of shear.
Which of the abvoe statements are correct?
- a)1 and 2
- b)1 and 4
- c)2 and 3
- d)3 and 4
Correct answer is option 'B'. Can you explain this answer?
Verified Answer
Consider the following statements related to piercing and blanking:1. ...
Shear on punch reduces the maximum cutting forces but total energy required to make the cut remains unchanged
Most Upvoted Answer
Consider the following statements related to piercing and blanking:1. ...
The correct statements related to piercing and blanking are:
1. Shear on the punch reduces the maximum cutting force.
2. The total energy needed to make the cut remains unaltered due to provision of shear.
Let's discuss each statement in detail:
1. Shear on the punch reduces the maximum cutting force:
When performing piercing or blanking operations, the material is subjected to shearing forces as the punch penetrates and cuts through it. Shearing forces act perpendicular to the direction of cutting and can reduce the maximum cutting force required. This is because shear forces help to separate the material along the cutting line, making it easier for the punch to penetrate. Therefore, statement 1 is correct.
2. The total energy needed to make the cut remains unaltered due to provision of shear:
During piercing and blanking, the total energy required to cut the material is determined by factors such as the material properties, thickness, and cutting speed. The provision of shear helps to distribute this energy over a larger area, reducing localized deformation and stress concentration. This redistribution of energy does not alter the total energy required to make the cut. Therefore, statement 2 is correct.
3. Shear increases the capacity of the press needed:
This statement is incorrect. Shear does not increase the capacity of the press needed for piercing or blanking operations. The capacity of the press is determined by factors such as the maximum cutting force required, the size and shape of the punch and die, and the material properties. Shear may reduce the maximum cutting force, as mentioned in statement 1, but it does not increase the capacity of the press.
4. Shear increases the life of the punch:
This statement is incorrect. Shear does not necessarily increase the life of the punch. While shear forces can help to reduce the cutting force and stress on the punch, the life of the punch depends on various factors such as the material properties, the design of the punch and die, the cutting speed, and the maintenance of the tooling. Shear alone cannot guarantee an increase in the life of the punch.
In conclusion, the correct statements related to piercing and blanking are 1 and 2, which state that shear on the punch reduces the maximum cutting force and the total energy needed to make the cut remains unaltered due to the provision of shear.
1. Shear on the punch reduces the maximum cutting force.
2. The total energy needed to make the cut remains unaltered due to provision of shear.
Let's discuss each statement in detail:
1. Shear on the punch reduces the maximum cutting force:
When performing piercing or blanking operations, the material is subjected to shearing forces as the punch penetrates and cuts through it. Shearing forces act perpendicular to the direction of cutting and can reduce the maximum cutting force required. This is because shear forces help to separate the material along the cutting line, making it easier for the punch to penetrate. Therefore, statement 1 is correct.
2. The total energy needed to make the cut remains unaltered due to provision of shear:
During piercing and blanking, the total energy required to cut the material is determined by factors such as the material properties, thickness, and cutting speed. The provision of shear helps to distribute this energy over a larger area, reducing localized deformation and stress concentration. This redistribution of energy does not alter the total energy required to make the cut. Therefore, statement 2 is correct.
3. Shear increases the capacity of the press needed:
This statement is incorrect. Shear does not increase the capacity of the press needed for piercing or blanking operations. The capacity of the press is determined by factors such as the maximum cutting force required, the size and shape of the punch and die, and the material properties. Shear may reduce the maximum cutting force, as mentioned in statement 1, but it does not increase the capacity of the press.
4. Shear increases the life of the punch:
This statement is incorrect. Shear does not necessarily increase the life of the punch. While shear forces can help to reduce the cutting force and stress on the punch, the life of the punch depends on various factors such as the material properties, the design of the punch and die, the cutting speed, and the maintenance of the tooling. Shear alone cannot guarantee an increase in the life of the punch.
In conclusion, the correct statements related to piercing and blanking are 1 and 2, which state that shear on the punch reduces the maximum cutting force and the total energy needed to make the cut remains unaltered due to the provision of shear.
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Consider the following statements related to piercing and blanking:1. Shear on the punch reduces the maximum cutting force.2. Shear increases the capacity of the press needed.3. Shear increases life of the punch.4. The total energy needed to make the cut remains unaltered due to provision of shear.Which of the abvoe statements are correct?a)1 and 2b)1 and 4c)2 and 3d)3 and 4Correct answer is option 'B'. Can you explain this answer? for Mechanical Engineering 2025 is part of Mechanical Engineering preparation. The Question and answers have been prepared according to the Mechanical Engineering exam syllabus. Information about Consider the following statements related to piercing and blanking:1. Shear on the punch reduces the maximum cutting force.2. Shear increases the capacity of the press needed.3. Shear increases life of the punch.4. The total energy needed to make the cut remains unaltered due to provision of shear.Which of the abvoe statements are correct?a)1 and 2b)1 and 4c)2 and 3d)3 and 4Correct answer is option 'B'. Can you explain this answer? covers all topics & solutions for Mechanical Engineering 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Consider the following statements related to piercing and blanking:1. Shear on the punch reduces the maximum cutting force.2. Shear increases the capacity of the press needed.3. Shear increases life of the punch.4. The total energy needed to make the cut remains unaltered due to provision of shear.Which of the abvoe statements are correct?a)1 and 2b)1 and 4c)2 and 3d)3 and 4Correct answer is option 'B'. Can you explain this answer?.
Consider the following statements related to piercing and blanking:1. Shear on the punch reduces the maximum cutting force.2. Shear increases the capacity of the press needed.3. Shear increases life of the punch.4. The total energy needed to make the cut remains unaltered due to provision of shear.Which of the abvoe statements are correct?a)1 and 2b)1 and 4c)2 and 3d)3 and 4Correct answer is option 'B'. Can you explain this answer? for Mechanical Engineering 2025 is part of Mechanical Engineering preparation. The Question and answers have been prepared according to the Mechanical Engineering exam syllabus. Information about Consider the following statements related to piercing and blanking:1. Shear on the punch reduces the maximum cutting force.2. Shear increases the capacity of the press needed.3. Shear increases life of the punch.4. The total energy needed to make the cut remains unaltered due to provision of shear.Which of the abvoe statements are correct?a)1 and 2b)1 and 4c)2 and 3d)3 and 4Correct answer is option 'B'. Can you explain this answer? covers all topics & solutions for Mechanical Engineering 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Consider the following statements related to piercing and blanking:1. Shear on the punch reduces the maximum cutting force.2. Shear increases the capacity of the press needed.3. Shear increases life of the punch.4. The total energy needed to make the cut remains unaltered due to provision of shear.Which of the abvoe statements are correct?a)1 and 2b)1 and 4c)2 and 3d)3 and 4Correct answer is option 'B'. Can you explain this answer?.
Solutions for Consider the following statements related to piercing and blanking:1. Shear on the punch reduces the maximum cutting force.2. Shear increases the capacity of the press needed.3. Shear increases life of the punch.4. The total energy needed to make the cut remains unaltered due to provision of shear.Which of the abvoe statements are correct?a)1 and 2b)1 and 4c)2 and 3d)3 and 4Correct answer is option 'B'. Can you explain this answer? in English & in Hindi are available as part of our courses for Mechanical Engineering.
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Consider the following statements related to piercing and blanking:1. Shear on the punch reduces the maximum cutting force.2. Shear increases the capacity of the press needed.3. Shear increases life of the punch.4. The total energy needed to make the cut remains unaltered due to provision of shear.Which of the abvoe statements are correct?a)1 and 2b)1 and 4c)2 and 3d)3 and 4Correct answer is option 'B'. Can you explain this answer?, a detailed solution for Consider the following statements related to piercing and blanking:1. Shear on the punch reduces the maximum cutting force.2. Shear increases the capacity of the press needed.3. Shear increases life of the punch.4. The total energy needed to make the cut remains unaltered due to provision of shear.Which of the abvoe statements are correct?a)1 and 2b)1 and 4c)2 and 3d)3 and 4Correct answer is option 'B'. Can you explain this answer? has been provided alongside types of Consider the following statements related to piercing and blanking:1. Shear on the punch reduces the maximum cutting force.2. Shear increases the capacity of the press needed.3. Shear increases life of the punch.4. The total energy needed to make the cut remains unaltered due to provision of shear.Which of the abvoe statements are correct?a)1 and 2b)1 and 4c)2 and 3d)3 and 4Correct answer is option 'B'. Can you explain this answer? theory, EduRev gives you an
ample number of questions to practice Consider the following statements related to piercing and blanking:1. Shear on the punch reduces the maximum cutting force.2. Shear increases the capacity of the press needed.3. Shear increases life of the punch.4. The total energy needed to make the cut remains unaltered due to provision of shear.Which of the abvoe statements are correct?a)1 and 2b)1 and 4c)2 and 3d)3 and 4Correct answer is option 'B'. Can you explain this answer? tests, examples and also practice Mechanical Engineering tests.
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