Molds & Tooling
4 görüntüleme
PMMA Demolding Whitening
Sorun Belirtisi
PMMA products whiten at ejection locations during demolding
Neden Analizi
Ejection stress causes local crazing, and whitening is obvious in transparent parts; during on-site troubleshooting, verify item by item according to this mechanism, and avoid blindly adjusting the machine based only on experience; this mechanism has been repeatedly verified by industry literature and should be confirmed first during troubleshooting
Çözüm
Enlarge and add ejector pins; sufficient draft angle; appropriately raise mold temperature; after adjustment, take samples continuously 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
Demolding whitening is solved by ejection equalization; 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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