EN
Español1, adhesion, scratches: due to the material and punch or die friction and the workpiece or mold surface appearance of undesirable;
2, Burr: mainly in the shear and blanking die, the edge of the gap between the big or the hour will produce burrs.
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+86-576-82686004
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allen@badavalve.com / daisy@badavalve.com
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