Molding Process
8 görüntüleme
Wrong Selection Among Three Melting-Point Classes of LCP Grades
Sorun Belirtisi
【Problem Phenomenon】When processing a new LCP grade with temperature set by general experience, non-melting or degradation occurs
Neden Analizi
LCP is divided into classes I/II/III, with melting points spanning about 280-400℃, significantly different; the temperature windows of different classes are completely different; the Rianlon review records the correspondence between melting points and processing temperatures of the three LCP classes
Çözüm
When changing grades, first check the data sheet to confirm the class and melting point; class I high-temperature grades require dedicated high-temperature machines; for class III low-temperature grades, be careful not to overheat and degrade; after adjustment, take continuous samples to verify the effect, and resume mass production only after confirming stability
Temel Çıkarım
LCP temperature is set by class; when changing grades, the melting point must be checked before setting the process; after confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence; include this case in the defect archive as a troubleshooting reference for subsequent similar problems
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