Injection Molding
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PBAT '2079851475616104452 mold sticking
Fenómeno do problema
PBAT injection molded products stick to the mold, demolding is difficult, and the surface is scratched.
Análise das causas
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
Solução
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
Conclusão principal
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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