Material Drying
7 مشاهدة
TPU Poor Surface Gloss
ظاهرة المشكلة
Product surface loses gloss, is blurred or film-like, and the appearance is unqualified
تحليل الأسباب
Main causes of poor TPU surface gloss: poor mold surface polishing, material moisture absorption, volatiles or foreign matter mixed in, excessive release agent, insufficient temperature; when troubleshooting on site, verify item by item according to this mechanism to avoid blindly adjusting the machine based only on experience
الحل
①Polish the mold to improve the surface; ②Fully dry the material; ③Reduce the amount of release agent; 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
TPU surface gloss is a double mirror of mold and material; polishing, drying and less release agent work together; after confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence
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