Processing Machinery
3 조회수
PVB Surface Defects
문제 현상
Contamination, die lines, and gel particles appear on the PVB film surface, transparency and quality decline.
원인 분석
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
해결 방법
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
핵심 요약
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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