Injection Molding
5 Aufrufe
POE surface tiger skin pattern
Problembeschreibung
POE injection molded product surface tiger skin pattern, alternating light and dark stripes, width 2-5mm
Ursachenanalyse
Injection speed unstable, melt front fluctuates, alternately fast and slow; mold temperature too low <30°C, front rapidly cools
Lösung
1) Multi-stage injection slow-fast-slow to stabilize the front; 2) Raise mold temperature to 40-50°C; 3) Increase injection pressure for stable advance
Wichtigste Erkenntnis
Tiger skin pattern is caused by unstable injection front; multi-stage injection and high mold temperature are key
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