Molds & Tooling
5 görüntüleme
PVA angle deviation
Sorun Belirtisi
PVA product angle deviation >1°, exceeding the ±0.5° tolerance
Neden Analizi
Uneven shrinkage causes angle change; mold angle design did not consider PVA shrinkage compensation; product deformation during demolding
Çözüm
1) Mold angle pre-compensation for the PVA shrinkage rate; 2) Extend cooling time to ensure setting before demolding; 3) Uniform cooling to reduce shrinkage differences
Temel Çıkarım
Angle deviation is caused by shrinkage and insufficient design compensation; pre-compensation is the key
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