Extrusion & Post
5 görüntüleme
Unstable Frost Line in LDPE Blown Film
Sorun Belirtisi
The frost line height fluctuates up and down, and film performance fluctuates.
Neden Analizi
Air ring cooling amount fluctuation, extrusion output fluctuation, ambient temperature change; unstable frost line causes crystallization and orientation fluctuation.
Çözüm
①Stabilize air ring air volume and air temperature; ②stabilize extrusion output; ③control ambient temperature; ④include frost line height in SOP monitoring.
Temel Çıkarım
The frost line is the thermometer of the blown film process.
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