Injection Molding
4 görüntüleme
EVA '2079851475616104452 Fluidity Management
Sorun Belirtisi
EVA '2079851475616104452 has filling difficulties or flash.
Neden Analizi
The VA content affects the melt fluidity; improper temperature setting makes the fluidity deviate from the requirement.; During on-site troubleshooting, verify item by item according to this mechanism to avoid blindly adjusting the machine based only on experience
Çözüm
①Set the temperature according to the VA content; ②appropriately raise the temperature when filling is difficult; ③check the clamping and pressure when flash occurs; ④select a grade with a matching melt index.; After adjustment, continuously sample to verify the effect, and resume mass production after confirming stability
Temel Çıkarım
EVA fluidity varies with VA content; the process should be adjusted with the grade characteristics.; After confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence
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