Material Drying
6 مشاهدة
LLDPE recycled '2079851475616104451
ظاهرة المشكلة
Bubbles increase in LLDPE film blended with recycled material
تحليل الأسباب
Recycled material is fluffy and entrains air and absorbs moisture; when troubleshooting on site, verify item by item according to this mechanism to avoid blindly adjusting the machine based only on experience; this mechanism has been repeatedly verified by industry data and should be confirmed first during troubleshooting
الحل
Densify recycled material by granulation; dry at 80°C; control blending ratio; after adjustment, continuously sample to verify the effect, and resume mass production only after confirming stability; change only one variable at a time and record parameter changes to facilitate locating effective measures
الخلاصة الأساسية
Use recycled material after densification plus drying; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence; include this case in the defect archive as a reference for troubleshooting similar problems in the future
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