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Pressing common problems and treatment methods

Yummy Yao 2015-06-29 19:00:36
1.Bonding, scratch: from to friction and punch or die while inplay or mold surface appear negative;
2.Burr: happen especially sure the shear module and obturation die, theclearance between the cutting edge or Burr or hour;
3.Shift: when the stamping training, first contact with the moldparts are extruded and formed a line;