Molds & Tooling
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PC/ABS uneven surface gloss
Problem Phenomenon
Gloss differences in different areas.
Cause Analysis
Uneven mold temperature distribution, different replication states; differences in mold surface condition.; during on-site troubleshooting, verify item by item according to this mechanism, and avoid blindly adjusting the machine based on experience alone; this mechanism has been repeatedly verified by industry data and should be confirmed first during troubleshooting
Solution
①Balance mold temperature; ②polish the cavity to unify the surface; ③detect temperature distribution; ④clean the mold surface.; after adjustment, take continuous samples to verify the effect, and resume mass production only after confirming stability
Key Takeaway
Uneven gloss points to mold temperature distribution; water channel balance is the key.; 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 later
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