Injection Molding
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Orange peel on the surface of PP products
Problembeschreibung
The product surface is microscopically uneven like orange peel, with dull gloss.
Ursachenanalyse
Low mold temperature causes poor melt replication; low injection speed and front cooling also form orange peel.; during on-site investigation, verify item by item according to this mechanism to avoid blindly adjusting the machine based only on experience
Lösung
①Increase the mold temperature; ②increase the injection speed; ③improve cavity polishing; ④appropriately increase the melt temperature.; after adjustment, continuously sample and verify the effect, and resume mass production after confirming stability
Wichtigste Erkenntnis
Orange peel is a manifestation of poor replication; increasing temperature and speed to improve replication ability can improve it.; after confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence
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