Injection Molding
4 조회수
Stress cracking of PLA injection molded products
문제 현상
The product cracks during storage or use.
원인 분석
The molding internal stress is too large (fast cooling), and the inherent brittleness of PLA is sensitive to stress concentration.
해결 방법
Raise the mold temperature to reduce the cooling rate; avoid sharp corners in product design; anneal at 60-80°C.
핵심 요약
PLA stress cracking is related to its inherent brittleness.
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