Molds & Tooling
4 조회수
EEA Insufficient Flatness
문제 현상
EEA flat product flatness >0.5mm/100mm, warpage
원인 분석
EEA shrinkage rate large and different in each direction; mold cooling uneven; residual stress release causes continuous warpage
해결 방법
1) Uniform mold temperature to reduce temperature differences; 2) Increase holding pressure to reduce shrinkage differences; 3) Anneal to release residual stress
핵심 요약
Insufficient flatness is caused by shrinkage differences and stress; uniform cooling and annealing are key
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