Knowledge about ear formation in deep drawing process allows a prior modification of process which can result in defect free final product with financial saving and time.
Earing sheet metal drawing.
Earing is defined as formation of waviness on uppermost portion of deep drawn cup.
The other major factor causing the punch to draw the sheet metal and not cut it is the amount of clearance.
Earing is one of the major defects observed during deep drawing process due to anisotropic nature of sheet metal.
Earing is defined as formation of waviness on uppermost portion of deep drawn cup.
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Earing is one of the major defects observed during deep drawing process due to anisotropic nature of sheet metal.