Injection Molding
6 조회수
Stress Cracking of LDPE Injection Molded Products
문제 현상
LDPE products crack after assembly.
원인 분석
Local interference stress is large; LDPE strength is low, and long-term stress causes creep cracking.
해결 방법
①Reduce assembly interference; ②structural fillets; ③switch to high-strength grades if necessary; ④verify long-term load.
핵심 요약
Soft materials also fear long-term overstress.
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