Molds & Tooling
6 görüntüleme
PPO Runner System Mold Sticking
Sorun Belirtisi
PPO runner system sticks to the mold and is torn during demolding, automated part removal fails, and runner system demolding reliability is poor.
Neden Analizi
PPO high-pressure molding makes the runner adhere tightly to the mold plate; insufficient runner taper or improper sprue puller design; poor runner surface polishing; runner temperature is still high during demolding.
Çözüm
①Large taper design or sprue puller for the sprue; ②polish runners to improve demolding; ③fully cool the runner; ④reliable design of the ejection mechanism.; After adjustment, continuously sample to verify the effect, and resume mass production after confirming stability
Temel Çıkarım
PPO runner demolding is a derivative problem of the high-pressure process; taper and sprue puller are standard solutions; runner polishing is often simplified but cannot be omitted.; After confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence
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