Injection Molding
6 görüntüleme
MP injection molded product ejector whitening
Sorun Belirtisi
MP injection molded products show white marks at ejector pin positions, ejector whitening, affecting appearance
Neden Analizi
ejector pin force too large causing local compression deformation whitening; cooling time insufficient, product ejected before fully solidified; ejector pin area too small, stress concentration
Çözüm
1) extend cooling time so the product is fully solidified before ejection; 2) enlarge ejector pin area, use an ejector plate instead of small pins; 3) reduce ejection speed to reduce impact force; 4) increase draft angle to reduce ejection force
Temel Çıkarım
ejector whitening is caused by excessive ejection force and insufficient cooling; enlarging pin area and extending cooling time are key
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