Molds & Tooling
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Gate Marks on PS Products
문제 현상
Marks are obvious after gate trimming.
원인 분석
The brittleness of PS makes trimming prone to edge chipping; larger gate sizes make marks more obvious.; During on-site troubleshooting, verify item by item according to this mechanism, avoiding blindly adjusting the machine based solely on experience; This mechanism has been repeatedly verified by industry literature and should be confirmed first during troubleshooting
해결 방법
①Optimize gate size; ②Trim with a heated knife; ③Post-trimming treatment; ④Select submarine gates.; After adjustment, continuously sample to verify the effect, and resume mass production only after confirming stability
핵심 요약
Gate mark management relies on coordination between design and process.; After confirming effectiveness, solidify the parameters and practices into the work instructions to prevent recurrence; Include this case in the defect archive as a reference for troubleshooting similar problems in the future
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