PMMA Injection Sticking to Mold (Vacuum Adsorption)

Fenómeno del problema

Deep-cavity transparent parts get sucked during demolding.

Análisis de la causa

Vacuum between cavity and product; polished surface has high adsorption force.

Solución

①Provide air-intake ejection; ②venting on the cavity side; ③reduce holding pressure.

Conclusión clave

Vacuum adsorption = solved by air intake.

PMMA; mold sticking; vacuum adsorption; ejection

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