The function of draw bead in the deep drawing operation

Home » Materials Science and Manufacturing Engineering » Materials Science and Manufacturing Engineering Miscellaneous » Question

The function of draw bead in the deep drawing operation is to

1. produce a balance between the amount of stretching and drawing
2. produce a circular groove on the flange
3. reduce the drawing load
4. reduce the wrinkles on the flange

Correct Option: D

Draw beads decreases circumferential stress or buckling in flange.