Molds & Tooling
4 조회수
HDPE Flow Mark
문제 현상
HDPE product surface jetting marks
원인 분석
High-speed melt entering the cavity without touching the wall forms jetting folds; during on-site troubleshooting, verify item by item according to this mechanism to avoid blindly adjusting the machine based solely on experience; this mechanism has been repeatedly verified by industry data and should be confirmed first during troubleshooting
해결 방법
Design the gate facing the wall; reduce speed in the first stage; fan gate; after adjustment, continuously sample to verify the effect, and resume mass production only after confirming stability; change only one variable at a time and record parameter changes to facilitate locating effective measures
핵심 요약
Jetting marks are controlled by gate and speed curve; after confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence; include this case in the defect archive as a reference for troubleshooting similar problems in the future
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