Injection Molding
6 مشاهدة
Stress cracking of PLA injection molded products
ظاهرة المشكلة
The product cracks during storage or use.
تحليل الأسباب
The molding internal stress is too large (fast cooling), and the inherent brittleness of PLA is sensitive to stress concentration.
الحل
Raise the mold temperature to reduce the cooling rate; avoid sharp corners in product design; anneal at 60-80°C.
الخلاصة الأساسية
PLA stress cracking is related to its inherent brittleness.
هل كان هذا مفيدًا؟
0 شخص وجدوا هذا مفيدًا
شكرًا لك على ملاحظاتك!