Processing Machinery
5 مشاهدة
PVB Surface Defects
ظاهرة المشكلة
Contamination, die lines, and gel particles appear on the PVB film surface, transparency and quality decline.
تحليل الأسباب
Contamination, die lines, or gel particles affect transparency and quality; raw material impurities; die surface condition; poor plasticization produces gel; environmental cleanliness.; When troubleshooting on site, verify item by item according to this mechanism, avoiding blind machine adjustment based only on experience
الحل
①Raw material purity management; ②Regular die surface cleaning and polishing; ③Plasticization system optimization; ④Production environment cleanliness control.; After adjustment, continuously sample to verify the effect, confirm stability before resuming mass production
الخلاصة الأساسية
PVB surface defect prevention covers raw materials, equipment, and environment; transparency is the core of optical applications; cleanliness management is a system engineering.; After confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence
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