Earing is one of the major defects observed during deep drawing process due to anisotropic nature of sheet metal.
Earing sheet metal drawing.
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 is one of the major defects observed during deep drawing process due to anisotropic nature of sheet metal.
Clearance in cutting operations is relatively small usually 3 to 8 of sheet metal thickness.
In deep drawing manufacture if the clearance is too small the sheet may be cut or pierced not well despite the radius.
By comparison with the actual sheet texture those textural components which most affect earing behaviour are identified.
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