Molding Process
5 görüntüleme
Shrinkage rate fluctuation of PLA products
Sorun Belirtisi
The shrinkage rate of products fluctuates between 0.2-1.0%, and the dimensions are unstable.
Neden Analizi
The crystallization rate of PLA is slow (semi-crystalline type), different cooling conditions cause crystallinity differences, and the shrinkage rate changes accordingly; the holding pressure is insufficient.
Çözüm
Raise the mold temperature to 80-100°C to promote uniform crystallization; extend the holding time; stabilize the mold temperature.
Temel Çıkarım
PLA shrinkage rate fluctuation is closely related to crystallization behavior.
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