Material Drying
3 Aufrufe
PC Transparent Part Haze
Problembeschreibung
[Problem Phenomenon] PC transparent parts are hazy and turbid, and the optics do not meet the standard
Ursachenanalyse
Moisture, shear stress, degradation, mold surface and uneven cooling all cause haze; transparent parts are extremely sensitive to the process; when troubleshooting on site, verify each item according to this mechanism one by one, and avoid blindly adjusting the machine based on experience alone
Lösung
Stricter drying; low shear; high mold polishing; uniform cooling; check degradation; 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, so as to locate effective measures
Wichtigste Erkenntnis
For PC transparent part haze, check moisture, shear and degradation, with zero tolerance for the process; 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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