Molds & Tooling
4 görüntüleme
POE flatness insufficient
Sorun Belirtisi
POE flat product flatness >0.5mm/100mm, warpage
Neden Analizi
POE shrinkage large and anisotropic; mold cooling uneven; residual stress release causes continuous warpage
Çözüm
1) Uniform mold temperature to reduce temperature difference; 2) Increase holding pressure to reduce shrinkage difference; 3) Annealing to release residual stress
Temel Çıkarım
Insufficient flatness is caused by shrinkage difference and stress; uniform cooling and annealing are key
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