Extrusion & Post
12 görüntüleme
PVB Plasticization Unevenness
Sorun Belirtisi
PVB extrusion plasticization is uneven, melt quality fluctuates, film performance is inconsistent.
Neden Analizi
PVB extruder screw design and plasticization capability; temperature distribution; feeding stability; mixing uniformity; insufficient plasticization produces unmelted particles.; When troubleshooting on site, verify item by item according to this mechanism, avoiding blind machine adjustment based only on experience
Çözüm
①Screw design matching PVB characteristics; ②Temperature distribution optimization; ③Stable feeding control; ④Plasticization quality monitoring.; After adjustment, continuously sample to verify the effect, confirm stability before resuming mass production
Temel Çıkarım
PVB plasticization uniformity is the foundation of film quality; equipment and process matching; monitoring means ensure stability.; After confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence
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