Injection Molding
6 görüntüleme
MP severe internal stress concentration
Sorun Belirtisi
MP product internal stress >15MPa causing cracking during storage
Neden Analizi
injection speed too fast, orientation stress large; uneven cooling freezes thermal stress; improper gate position, flow orientation concentrated
Çözüm
1) reduce injection speed to reduce orientation; 2) uniform mold temperature to reduce thermal stress; 3) anneal at 80°C/4h to release stress; 4) optimize gate position
Temel Çıkarım
internal stress is caused by fast injection and uneven cooling; reducing speed, uniform cooling and annealing are key
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