Injection Molding 5 조회수

EEA Severe Internal Stress Concentration

문제 현상

EEA product internal stress >15MPa causes cracking during storage

원인 분석

Injection speed too fast, large orientation stress; uneven cooling freezes thermal stress; improper gate position, concentrated flow orientation

해결 방법

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

핵심 요약

Internal stress is caused by fast injection and uneven cooling; reducing speed, uniform cooling and annealing are key

EEA internal stress orientation stress annealing treatment uniform cooling

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EEA Severe Internal Stress Concentration

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