Extrusion & Post
10 조회수
PET filter screen clogging
문제 현상
PET extrusion pressure keeps rising, and output is forced to decrease
원인 분석
The filter screen is clogged by gel particles, impurities and degradation products; the pressure differential before and after the screen increases and limits output; during on-site troubleshooting, verify item by item according to this mechanism, and avoid blindly adjusting the machine based only on experience
해결 방법
Plan screen changes according to the rising pressure differential trend; improve raw material cleanliness; regularly maintain the screen changer; 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
Filter screen pressure differential trend management is a means to stabilize output; 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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