Molds & Tooling
5 görüntüleme
DSTDP internal shrinkage void
Sorun Belirtisi
DSTDP thick-wall product center shrinkage void diameter 0.5-2mm
Neden Analizi
After the thick-wall region cools, the interior shrinks but the surface has already solidified and cannot be fed; holding time insufficient, gate freezes too early
Çözüm
1) Extend holding time until the gate is completely frozen; 2) increase gate size to delay freezing; 3) product design to reduce wall thickness difference
Temel Çıkarım
Shrinkage void is caused by thick-wall shrinkage and insufficient holding; extending holding is key
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