Material Drying
3 조회수
PET dryer selection
문제 현상
Purchasing a drying system for a PET sheet line, the supplier proposals differ greatly
원인 분석
PET drying requires high temperature, large air volume, and low dew point, and the capacity of ordinary plastic dryers does not match; during on-site troubleshooting, verify item by item according to this mechanism, and avoid blindly adjusting the machine based only on experience
해결 방법
Calculate the drying capacity according to output, initial moisture content, and target moisture content; select a PET-specific drying system with crystallization function; after adjustment, take consecutive samples to verify the effect, and resume mass production only after confirming stability
핵심 요약
PET drying systems must be specially selected according to process parameters; 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 subsequent similar problems
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