Abstract
Cup-drawing test have been performed on mild steel blanks to study the frictional behaviour of the flanges in a cup-drawing operation, by utilizing differential lubrication. Molybdenum disulphide paste has been chosen as the lubricant because of its good performance in preliminary trials. The results suggest that lubrication of the flange is essential in the achievement of a fully drawn cup without failure and without wrinkles. It can also be stated that lubricant application to central regions appears to be irrelevant in the process.
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