Extrusion & Post
11 görüntüleme
Melt instability when extruding PEI film
Sorun Belirtisi
Melt edge fluctuation and uneven thickness occur during film extrusion
Neden Analizi
PEI melt strength is insufficient to maintain the shape after exiting the die; the extrusion temperature window is narrow and difficult to adjust
Çözüm
Optimize the extruder screw design to improve plasticization uniformity; use a melt pump to stabilize extrusion pressure; increase the die temperature to improve exit flowability
Temel Çıkarım
PEI extrusion molding has strict requirements on equipment and process parameters
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