Injection Molding
1 visualizações
Tiger Skin Pattern on CMC Surface
Fenómeno do problema
Tiger skin pattern of alternating light and dark stripes 2-5mm wide on the surface of CMC injection molded products
Análise das causas
Injection speed is unstable and the melt front fluctuates fast and slow; mold temperature is low <30°C and the front cools rapidly
Solução
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
Conclusão principal
Tiger skin pattern is caused by unstable injection front; multi-stage injection and high mold temperature are the key
Isto foi útil?
0 pessoas acharam isto útil
Obrigado pelo seu comentário!