Injection Molding
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EAA surface orange peel texture
Fenómeno del problema
Orange-peel-like uneven texture on the EAA product surface with rough hand feel
Análisis de la causa
Mold temperature too low <30°C, product surface cools and solidifies rapidly while 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 texture is caused by rapid cooling and solidification; increasing mold temperature and holding pressure is key
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