Molds & Tooling
5 görüntüleme
PP Ejector Whitening and Cracking
Sorun Belirtisi
【Problem Phenomenon】PP whitens and is ejected through at ejector pins
Neden Analizi
Insufficient cooling and low strength, few and small ejector pins, fast ejection; high incidence in thin walls; during on-site troubleshooting, verify item by item according to this mechanism to avoid blindly adjusting the machine based only on experience; this mechanism has been repeatedly verified by industry data and should be confirmed first during troubleshooting
Çözüm
Extend cooling; increase ejector pins; reduce ejection speed; after adjustment, take continuous samples to verify the effect, and resume mass production only after confirming stability; change only one variable at a time and record parameter changes to facilitate locating effective measures
Temel Çıkarım
For PP ejector whitening check cooling and ejection balance; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence; include this case in the defect archive as a troubleshooting reference for similar problems in the future
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