Injection Molding
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Glass Fibre '2079851475616104452 warpage deformation
Fenómeno del problema
Glass Fibre injection molded product warps 2-3mm/100mm after demolding, flatness not up to standard
Análisis de la causa
Glass Fibre shrinkage rate large and mold temperature uneven causes anisotropic shrinkage differences; improper gate position, flow orientation stress released unevenly; cooling time insufficient
Solución
1) Raise mold temperature to 40-60°C to reduce temperature difference; 2) increase holding pressure 50-70MPa; 3) optimize gate position for uniform flow; 4) extend cooling time; 5) annealing treatment to release residual stress
Conclusión clave
Warpage is caused by shrinkage differences and orientation stress; uniform mold temperature and holding pressure are key
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