Injection Molding
7 görüntüleme
POE injection molded product ejector pin whitening
Sorun Belirtisi
POE injection molded product shows white marks at ejector pin positions, ejector pin whitening affects appearance
Neden Analizi
Ejector pin force too large causing local compression deformation and 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) Increase ejector pin area, use 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 pin whitening is caused by excessive ejection force and insufficient cooling; increasing pin area and extending cooling time are key
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