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Identify the stress strain in flange portion of a partially drawn cylindrical cup when deep drawing without a blank holder
[ME 1999]
- a)tensile in all three directions
- b)no stress in the flange at all, because there is no blank holder
- c)tensile stress in one direction and compressive stress in other direction
- d)tensile in two directions and compressive in third direction
Correct answer is option 'C'. Can you explain this answer?
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Identify the stress strain in flange portion of a partially drawn cyli...
Tensile in Radial direction & compressive in circumferential direction.
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Identify the stress strain in flange portion of a partially drawn cyli...
Stress-Strain in Flange Portion of a Partially Drawn Cylindrical Cup without a Blank Holder
Introduction:
When deep drawing a cylindrical cup without a blank holder, the material is subjected to various stresses and strains. The flange portion of the cup experiences different stress-strain states due to the absence of a blank holder.
Explanation:
The stress-strain in the flange portion can be analyzed by considering the deformation during the deep drawing process.
1. Tensile Stress:
The material in the flange region is subjected to tensile stresses in the circumferential direction. This is because the material is stretched as it is forced to flow radially inward to form the cup shape. The tensile stress in this direction is due to the radial stretching of the material.
2. Compressive Stress:
In the axial direction, the material in the flange region experiences compressive stresses. This is because the material is compressed in the axial direction as it flows radially inward. The compressive stress in this direction is due to the reduction in the circumference of the material.
3. No Stress in the Radial Direction:
In the absence of a blank holder, the material in the flange region does not experience any stress in the radial direction. This is because there is no external force acting in the radial direction to cause any deformation. Therefore, the stress in the radial direction is zero.
Conclusion:
In summary, when deep drawing a cylindrical cup without a blank holder, the stress-strain in the flange portion is as follows:
- Tensile stress in the circumferential direction (due to radial stretching of the material)
- Compressive stress in the axial direction (due to reduction in the circumference of the material)
- No stress in the radial direction (no external force acting in this direction)
Therefore, the correct answer is option 'C' - tensile stress in one direction and compressive stress in the other direction.
Introduction:
When deep drawing a cylindrical cup without a blank holder, the material is subjected to various stresses and strains. The flange portion of the cup experiences different stress-strain states due to the absence of a blank holder.
Explanation:
The stress-strain in the flange portion can be analyzed by considering the deformation during the deep drawing process.
1. Tensile Stress:
The material in the flange region is subjected to tensile stresses in the circumferential direction. This is because the material is stretched as it is forced to flow radially inward to form the cup shape. The tensile stress in this direction is due to the radial stretching of the material.
2. Compressive Stress:
In the axial direction, the material in the flange region experiences compressive stresses. This is because the material is compressed in the axial direction as it flows radially inward. The compressive stress in this direction is due to the reduction in the circumference of the material.
3. No Stress in the Radial Direction:
In the absence of a blank holder, the material in the flange region does not experience any stress in the radial direction. This is because there is no external force acting in the radial direction to cause any deformation. Therefore, the stress in the radial direction is zero.
Conclusion:
In summary, when deep drawing a cylindrical cup without a blank holder, the stress-strain in the flange portion is as follows:
- Tensile stress in the circumferential direction (due to radial stretching of the material)
- Compressive stress in the axial direction (due to reduction in the circumference of the material)
- No stress in the radial direction (no external force acting in this direction)
Therefore, the correct answer is option 'C' - tensile stress in one direction and compressive stress in the other direction.
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Identify the stress strain in flange portion of a partially drawn cylindrical cup when deep drawing without a blank holder[ME 1999]a)tensile in all three directionsb)no stress in the flange at all, because there is no blank holderc)tensile stress in one direction and compressive stress in other directiond)tensile in two directions and compressive in third directionCorrect answer is option 'C'. Can you explain this answer?
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Identify the stress strain in flange portion of a partially drawn cylindrical cup when deep drawing without a blank holder[ME 1999]a)tensile in all three directionsb)no stress in the flange at all, because there is no blank holderc)tensile stress in one direction and compressive stress in other directiond)tensile in two directions and compressive in third directionCorrect answer is option 'C'. 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 Identify the stress strain in flange portion of a partially drawn cylindrical cup when deep drawing without a blank holder[ME 1999]a)tensile in all three directionsb)no stress in the flange at all, because there is no blank holderc)tensile stress in one direction and compressive stress in other directiond)tensile in two directions and compressive in third directionCorrect answer is option 'C'. 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 Identify the stress strain in flange portion of a partially drawn cylindrical cup when deep drawing without a blank holder[ME 1999]a)tensile in all three directionsb)no stress in the flange at all, because there is no blank holderc)tensile stress in one direction and compressive stress in other directiond)tensile in two directions and compressive in third directionCorrect answer is option 'C'. Can you explain this answer?.
Identify the stress strain in flange portion of a partially drawn cylindrical cup when deep drawing without a blank holder[ME 1999]a)tensile in all three directionsb)no stress in the flange at all, because there is no blank holderc)tensile stress in one direction and compressive stress in other directiond)tensile in two directions and compressive in third directionCorrect answer is option 'C'. 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 Identify the stress strain in flange portion of a partially drawn cylindrical cup when deep drawing without a blank holder[ME 1999]a)tensile in all three directionsb)no stress in the flange at all, because there is no blank holderc)tensile stress in one direction and compressive stress in other directiond)tensile in two directions and compressive in third directionCorrect answer is option 'C'. 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 Identify the stress strain in flange portion of a partially drawn cylindrical cup when deep drawing without a blank holder[ME 1999]a)tensile in all three directionsb)no stress in the flange at all, because there is no blank holderc)tensile stress in one direction and compressive stress in other directiond)tensile in two directions and compressive in third directionCorrect answer is option 'C'. Can you explain this answer?.
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