Extrusion & Post
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LDPE Film Winding
Fenómeno do problema
Interlayer adhesion of LDPE film after winding
Análise das causas
Excessive winding tension or high film temperature causes interlayer adhesion; when troubleshooting on site, verify item by item according to this mechanism, and 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
Solução
Taper control of winding tension; fully cool the film; add slip agent; after adjustment, take continuous samples to verify the effect, and resume mass production only after confirming stability; change only one variable at a time and record parameter changes, so as to locate the effective measure
Conclusão principal
Anti-blocking in winding relies on tension and slip agent; 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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