Extrusion & Post
11 조회수
TPU Extrusion Temperature
문제 현상
TPU extrusion surface is wavy and the melt is unstable
원인 분석
Extrusion temperature fluctuation changes the melt viscosity; 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 literature and should be confirmed first during troubleshooting
해결 방법
Extrusion temperature stably controlled at 180-210°C; uniform die head temperature; melt pressure monitoring; after adjustment, continuously sample to verify the effect, and resume mass production only after confirming stability
핵심 요약
TPU extrusion temperature stability is the prerequisite for quality; after confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence; include this case in the defect archive as a troubleshooting reference for similar problems in the future
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