Question: It has been suggested that deep drawability can be increased by (a) Heating the flange and/or (b) Chilling the punch by some suitable means. Comment

It has been suggested that deep drawability can be increased by
(a) Heating the flange and/or
(b) Chilling the punch by some suitable means. Comment on how these methods could improve drawability.

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a Heating the flange lowers the strength of the flange and also reduces the amount of e... View full answer

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