Molds & Tooling
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ASA high-gloss surface polishing maintenance missing
Problem Phenomenon
After ASA high-gloss parts are produced for several months, gloss gradually decreases, fine scratch replication appears on the surface, polishing restores it but the cycle becomes shorter and shorter.
Cause Analysis
Under high mold temperature conditions, the cavity surface gradually oxidizes and wears, polishing accuracy decays; microscopic erosion of the cavity surface by ASA high-speed filling accumulates; lack of regular polishing maintenance plan.
Solution
①Establish a regular cavity polishing maintenance cycle; ②high-gloss surfaces use wear-resistant polishing steel and surface treatment; ③polishing accuracy quantified acceptance; ④gloss trend monitoring for early warning.
Key Takeaway
The polishing life of ASA high-gloss molds is a consumable; periodic maintenance avoids passive line stoppage; gloss trend data guides maintenance plan optimization.; After confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence
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