Material Drying
8 görüntüleme
PESU Extruded Profile Bubbles
Sorun Belirtisi
PESU extruded profiles blister severely or show streaks; insufficient drying or improper process.
Neden Analizi
PESU extrusion of wet resin causes severe blistering or streaks; moisture content <0.01% (100ppm) is a stricter requirement; melt temperature uniformity; mold design; cooling control.
Çözüm
①Extrusion drying <0.01% (100ppm); ②melt temperature uniformity; ③mold temperature management; ④cooling optimization; ⑤online inspection.; after adjustment, continuously sample to verify the effect, and resume mass production after confirming stability
Temel Çıkarım
The 100ppm of PESU extrusion is a stricter standard; uniformity management runs throughout; inspection ensures quality.; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence
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