Metal deep drawing parts edge uneven reasons: blank out with intensive center or metal deep drawing parts stamping material thickness is not uniform, and the die fillet radius and intensive uneven clearance, die fillet radius is too big, in the last stage of the drawing out of the blank holder, has yet to pass over the fillet material pressure coil after less than wrinkling is pulled into the die to form the mouth edge fold.
Metal deep drawing parts edge uneven countermeasures: deep drawing metal stamping die, die fillet radius and intensive clearance make correction which is uniform and put into production to reduce the die fillet radius or the arc pressure rim device can eliminate wrinkles.
Metal deep drawing parts is an important part in electronic stamping metal parts, used in mobile phone shell, motor shell, antenna, headphones, audio socket, plug, micro motor sensor, automotive instrument light touch switch, etc.
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