Molds & Tooling
4 조회수
LLDPE hot runner
문제 현상
Gate stringing in LLDPE hot runner molds
원인 분석
Hot runner temperature is too high and viscosity is low; when troubleshooting on site, verify item by item according to this mechanism to avoid blindly adjusting the machine based only on experience; this mechanism has been repeatedly verified by industry data and should be confirmed first during troubleshooting
해결 방법
Calibrate hot runner temperature; cool the gate area; 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
Stringing is controlled by gate temperature; after confirming effectiveness, fix 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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