Production & Quality
5 مشاهدة
PCL slow cooling crystallization control
ظاهرة المشكلة
PCL products have long cooling time, uneven crystallinity, and fluctuations in dimensions and performance.
تحليل الأسباب
PCL has a high crystallization rate but a low melting point, and crystallinity during cooling is affected by temperature rate; uneven cooling causes crystallization differences; performance is related to crystallinity; conflict between efficiency and quality.
الحل
①Mold temperature controls the cooling rate; ②Sufficient cooling time; ③Optimization of cooling uniformity; ④Crystallinity detection; ⑤Annealing treatment.；After adjustment, take continuous samples to verify the effect, and resume mass production only after confirming stability
الخلاصة الأساسية
PCL crystallization management is the key to performance consistency; both cooling rate and uniformity are emphasized; testing verifies the crystalline state.；After confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence
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