Injection Molding
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HDPE injection molded product warpage — ejection-induced
Problembeschreibung
The product deforms at the moment of ejection and sets as warpage after cooling.
Ursachenanalyse
The ejection force plastically deforms the product while it is still hot; insufficient cooling, uneven ejection.
Lösung
①Extend cooling; ②balance ejection; ③lower the mold temperature; ④optimize the ejector pin layout to rigid areas.
Wichtigste Erkenntnis
Ejection deformation = insufficient cooling + uneven ejection.
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