Injection Molding
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HDPE injection molded product warpage — ejection-induced
Fenómeno do problema
The product deforms at the moment of ejection and sets as warpage after cooling.
Análise das causas
The ejection force plastically deforms the product while it is still hot; insufficient cooling, uneven ejection.
Solução
①Extend cooling; ②balance ejection; ③lower the mold temperature; ④optimize the ejector pin layout to rigid areas.
Conclusão principal
Ejection deformation = insufficient cooling + uneven ejection.
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