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Consider the following statements:
Earring in a drawn cup can be due to non-uniform
1. speed of the press 2. clearance between tools
3. material properties 4. blank holding
Earring in a drawn cup can be due to non-uniform
1. speed of the press 2. clearance between tools
3. material properties 4. blank holding
Q. Which of these statements are correct?
- a)1, 2 and 3
- b)2, 3 and 4
- c)1, 3 and 4
- d)1, 2 and 4
Correct answer is option 'D'. Can you explain this answer?
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Most Upvoted Answer
Consider the following statements:Earring in a drawn cup can be due to...
Earring in a drawn cup is a defect that occurs during the deep drawing process. It refers to the uneven thickness of the cup's wall, resulting in a wavy or wrinkled appearance. This defect can be caused by several factors, including the ones mentioned in the given statements.
1. Speed of the press:
The speed at which the press operates can affect the material flow during the drawing process. If the speed is too high, it can cause uneven metal flow, leading to earring formation. Unequal distribution of material can result in variations in the thickness of the cup's wall.
2. Clearance between tools:
The clearance between the punch and die plays a crucial role in the deep drawing process. If the clearance is not properly adjusted, it can lead to uneven deformation of the material. A large clearance can cause excessive thinning in some areas of the cup, resulting in earring formation.
3. Material properties:
The properties of the material being drawn can also contribute to earring formation. The material's strength, ductility, and anisotropy can affect its flow behavior during the drawing process. If the material has inconsistent properties, it can result in uneven deformation and earring formation.
4. Blank holding:
Blank holding refers to the clamping or gripping of the sheet metal during the deep drawing process. It is essential for maintaining control over the material flow and preventing wrinkling or buckling. Improper blank holding can lead to uneven deformation and earring formation.
Therefore, the correct statements regarding the causes of earring in a drawn cup are:
- The speed of the press
- Clearance between tools
- Blank holding
These factors can all contribute to non-uniform deformation and material flow, resulting in earring formation. By addressing these factors and optimizing the deep drawing process, the occurrence of earring defects can be minimized or eliminated.
1. Speed of the press:
The speed at which the press operates can affect the material flow during the drawing process. If the speed is too high, it can cause uneven metal flow, leading to earring formation. Unequal distribution of material can result in variations in the thickness of the cup's wall.
2. Clearance between tools:
The clearance between the punch and die plays a crucial role in the deep drawing process. If the clearance is not properly adjusted, it can lead to uneven deformation of the material. A large clearance can cause excessive thinning in some areas of the cup, resulting in earring formation.
3. Material properties:
The properties of the material being drawn can also contribute to earring formation. The material's strength, ductility, and anisotropy can affect its flow behavior during the drawing process. If the material has inconsistent properties, it can result in uneven deformation and earring formation.
4. Blank holding:
Blank holding refers to the clamping or gripping of the sheet metal during the deep drawing process. It is essential for maintaining control over the material flow and preventing wrinkling or buckling. Improper blank holding can lead to uneven deformation and earring formation.
Therefore, the correct statements regarding the causes of earring in a drawn cup are:
- The speed of the press
- Clearance between tools
- Blank holding
These factors can all contribute to non-uniform deformation and material flow, resulting in earring formation. By addressing these factors and optimizing the deep drawing process, the occurrence of earring defects can be minimized or eliminated.
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Consider the following statements:Earring in a drawn cup can be due to non-uniform1. speed of the press 2. clearance between tools3. material properties 4. blank holdingQ.Which of these statements are correct?a)1, 2 and 3b)2, 3 and 4c)1, 3 and 4d)1, 2 and 4Correct answer is option 'D'. Can you explain this answer?
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Consider the following statements:Earring in a drawn cup can be due to non-uniform1. speed of the press 2. clearance between tools3. material properties 4. blank holdingQ.Which of these statements are correct?a)1, 2 and 3b)2, 3 and 4c)1, 3 and 4d)1, 2 and 4Correct answer is option 'D'. 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 Consider the following statements:Earring in a drawn cup can be due to non-uniform1. speed of the press 2. clearance between tools3. material properties 4. blank holdingQ.Which of these statements are correct?a)1, 2 and 3b)2, 3 and 4c)1, 3 and 4d)1, 2 and 4Correct answer is option 'D'. 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 Consider the following statements:Earring in a drawn cup can be due to non-uniform1. speed of the press 2. clearance between tools3. material properties 4. blank holdingQ.Which of these statements are correct?a)1, 2 and 3b)2, 3 and 4c)1, 3 and 4d)1, 2 and 4Correct answer is option 'D'. Can you explain this answer?.
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