Injection Molding
6 görüntüleme
TPE burrs and flash
Sorun Belirtisi
Flash at product edges; the high fluidity of TPE causes flash even in tiny gaps
Neden Analizi
TPE has good fluidity and relatively low injection pressure demand, but flash still occurs when clamping is insufficient or mold precision is poor; parting line wear enlarges the gap; excessive filling amount and holding pressure
Çözüm
①reduce filling amount and holding pressure; ②grind the parting line to restore fit; ③calculate clamping force by projected area; after adjustment, continuously sample to verify the effect, and resume mass production only after confirming stability
Temel Çıkarım
For TPE flash, check filling, mold, and clamping; high-fluidity materials have higher mold precision requirements; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence
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