Molds & Tooling
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ASA workshop dust contamination
Problem Phenomenon
[Problem phenomenon] ASA white light-colored products black specks and impurities, investigated as environmental contamination
Cause Analysis
Light-colored ASA is sensitive to dust and foreign matter; workshop dust, regrind contamination, conveying system residue are all impurity sources; during on-site investigation, verify item by item according to this mechanism, avoid blindly adjusting the machine based on experience alone
Solution
Light-colored part production line environmental control; regrind and conveying system dedicated cleaning; drying and feeding links dust prevention; after adjustment, continuously sample to verify the effect, and resume mass production after confirming stability
Key Takeaway
ASA light-colored parts fear dust, environmental dedicated line management is the guarantee; after confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence; include this case in the defect archive as a troubleshooting reference for subsequent similar problems
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