Molds & Tooling
6 조회수
TPE Product Surface Flow Mark
문제 현상
Wavy flow marks appear on the surface.
원인 분석
Low front temperature or unstable filling; low mold temperature aggravates flow marks.; during on-site troubleshooting, verify item by item according to this mechanism, avoiding blind machine adjustment based solely on experience; this mechanism has been repeatedly verified by industry data and should be confirmed first during troubleshooting
해결 방법
①Raise melt and mold temperature; ②optimize the injection speed curve; ③enlarge the gate; ④stable filling.; after adjustment, continuously sample to verify the effect, and resume mass production only after confirming stability
핵심 요약
Flow marks are improved by temperature and speed; stable filling is the goal.; 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 subsequent similar problems
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