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Mechanical Engineering · Q70

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Engineering and GATE · Mechanical Engineering · question 70

Q70

During drawing operation, the states of stress in cup would include

A.
Compressive stress in the flange
B.
Tensile stress in the wall
C.
Both (A) and (B)
Answer
D.
None of these

Answer: Option C

Solution

Answer: Option C
Solution:
The stress in the flange region during the deep drawing process is a combination of radial tensile drawing stress and a tangential compressive stress.
The blank-holder at the top of the workpiece exerts a compressive force at the upper surface of the blank during the drawing process.
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