Injection Molding
7 مشاهدة
MP '2079851475616104452 warpage deformation
ظاهرة المشكلة
MP injection molded products warp 2-3mm/100mm after demolding, flatness not meeting standard
تحليل الأسباب
MP shrinkage large and mold temperature uneven causing anisotropic shrinkage difference; improper gate position, flow orientation stress released unevenly; cooling time insufficient
الحل
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 to release residual stress
الخلاصة الأساسية
warpage is caused by shrinkage difference and orientation stress; uniform mold temperature and holding are key
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