Why the over-mold shrinkage

Monday, 11 August 2008

Shrinkage, deformation reasons:

  1. the stripping force uneven;
  2. molding time is too fast, improper cooling; improper
  3. mold gate settings;
  4. the cooling time in the mold long variant, shrink;
  5. the injection pressure is too high molded surface finish is poor, stripping slope small; improper
  6. holding pressure.
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