Molds & Tooling
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POM sticking to mold
Fenómeno del problema
Products grip the core tightly and are difficult to demold.
Análisis de la causa
POM has large crystallization shrinkage and tightly grips the core; too low mold temperature causes faster shrinkage and tighter grip; insufficient draft.
Solución
①Increase mold temperature; ②check and increase draft; ③reduce holding pressure; ④polish the core.
Conclusión clave
POM mold sticking = crystallization gripping force, and increasing mold temperature is the key.
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