Injection Molding
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EEA Surface Orange Peel
Fenómeno del problema
Orange-peel-like uneven texture on the surface of EEA products, rough to the touch
Análisis de la causa
Mold temperature low <30°C; after the product surface cools and solidifies rapidly, the interior continues to shrink, causing surface unevenness; injection speed too low
Solución
1) Increase mold temperature to 40-50°C to delay surface solidification; 2) Appropriately increase injection speed; 3) Increase holding pressure to reduce internal shrinkage
Conclusión clave
Orange peel is caused by rapid cooling and solidification; increasing mold temperature and holding pressure are key
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