Mechanical GATE 2008 Question No 68 Casting, Forming and Joining Processes - Sheet (Shearing, Deep Drawing, Bending) Metal Forming Processes

Question No. 68 Mechanical | GATE 2008

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,

(A) Buckling due to circumferential compression; Increase blank holder pressure
(B) High blank holder pressure and high friction; Reduce blank holder pressure and apply lubricant
(C) High temperature causing increase in circumferential length; Apply coolant to blank
(D) Buckling due to circumferential compression; decrease blank holder pressure

Answer :

GATE 2008 Mechanical Casting, Forming and Joining Processes Sheet (Shearing, Deep Drawing, Bending) Metal Forming Processes

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GATE Papers >> Mechanical >> 2008 >> Question No 68

Answer :

Questions of Sheet (Shearing, Deep Drawing, Bending) Metal Forming Processes

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