Injection Molding
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PBAT '2079851475616104452 mold sticking
Problembeschreibung
PBAT injection molded products stick to the mold, demolding is difficult, and the surface is scratched.
Ursachenanalyse
PBAT soft surface easily adheres; mold surface finish insufficient; draft angle not enough; holding pressure too high; improper use of release agent.; when troubleshooting on site, verify item by item according to this mechanism, and avoid blindly adjusting the machine based only on experience
Lösung
①Polish the mold surface; ②increase the draft angle; ③optimize holding pressure; ④use release agent reasonably; ⑤optimize the ejection system.; after adjustment, continuously sample to verify the effect, and resume mass production only after confirming stability
Wichtigste Erkenntnis
PBAT mold sticking surface characteristics require mold and process cooperation; polishing and draft angle are the foundation; balanced ejection prevents deformation.; after confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence
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