Injection Molding
7 مشاهدة
Tiger Skin Pattern on CMC Surface
ظاهرة المشكلة
Tiger skin pattern of alternating light and dark stripes 2-5mm wide on the surface of CMC injection molded products
تحليل الأسباب
Injection speed is unstable and the melt front fluctuates fast and slow; mold temperature is low <30°C and the front cools rapidly
الحل
1)Multi-stage injection slow-fast-slow to stabilize the front; 2)Increase mold temperature to 40-50°C; 3)Increase injection pressure for stable advancement
الخلاصة الأساسية
Tiger skin pattern is caused by unstable injection front; multi-stage injection and high mold temperature are the key
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