Processing Machinery
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LDPE Creep Deformation
Fenómeno del problema
LDPE containers bulge and deform after long-term stacking
Análisis de la causa
LDPE has low rigidity and large creep, and long-term stacking deformation accumulates; 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
Solución
Limit the number of stacking layers; strengthen the container structure; select high-rigidity grades; 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
Conclusión clave
LDPE stacking deformation is controlled by structure and grade; 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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