Injection Molding
5 görüntüleme
Stress cracking of PLA injection molded products
Sorun Belirtisi
The product cracks during storage or use.
Neden Analizi
The molding internal stress is too large (fast cooling), and the inherent brittleness of PLA is sensitive to stress concentration.
Çözüm
Raise the mold temperature to reduce the cooling rate; avoid sharp corners in product design; anneal at 60-80°C.
Temel Çıkarım
PLA stress cracking is related to its inherent brittleness.
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