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In the deep drawing of cups, blanks show a tendency to wrinkle up around the periphery (flange). The most likely cause and remedy of the phenomenon are, respectively,

In the deep drawing of cups, blanks show a tendency to wrinkle up around the periphery (flange). The most likely cause and remedy of the phenomenon are, respectively, Correct Answer Buckling due to circumferential compression ; Increase blank holder pressure

The reason for wrinkling up of blanks around the periphery (flange) during deep drawing of caps is buckling due to circumferential compression; increase blank holder pressure.

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