Molds & Tooling
5 görüntüleme
PPO Flow Marks and Uneven Gloss
Sorun Belirtisi
[Problem Phenomenon] Flow marks and ripples on PPO product surface, obvious regional gloss differences
Neden Analizi
Temperature fluctuation of the melt front and unstable filling speed form flow marks; uneven mold temperature makes the degree of surface replication different and gloss inconsistent; during on-site troubleshooting, verify item by item according to this mechanism, and avoid blindly adjusting the machine based only on experience
Çözüm
Stabilize melt temperature and injection speed curve; distribute mold temperature evenly; raise mold temperature to improve surface consistency; after adjustment, take continuous samples to verify the effect, and resume mass production only after confirming stability
Temel Çıkarım
For PPO flow marks and poor gloss check temperature stability; uniformity is the keyword; after confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence; include this case in the defect archive as a reference for troubleshooting similar problems in the future
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