Molds & Tooling
4 görüntüleme
PMMA Weld Lines
Sorun Belirtisi
Visible meeting lines on transparent parts, weak strength.
Neden Analizi
Two melt fronts merge with insufficient temperature and poor venting; transparent part weld lines are both an appearance and a strength problem.
Çözüm
①Raise melt temperature and mold temperature; ②Venting at the merging; ③Adjust the gate to avoid optical zones and load-bearing zones; ④Increase speed.
Temel Çıkarım
Weld lines = position design first.
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