Molds & Tooling
3 조회수
POE flatness insufficient
문제 현상
POE flat product flatness >0.5mm/100mm, warpage
원인 분석
POE shrinkage large and anisotropic; mold cooling uneven; residual stress release causes continuous warpage
해결 방법
1) Uniform mold temperature to reduce temperature difference; 2) Increase holding pressure to reduce shrinkage difference; 3) Annealing to release residual stress
핵심 요약
Insufficient flatness is caused by shrinkage difference and stress; uniform cooling and annealing are key
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