Processing Machinery
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LDPE Film Storage Deformation
Fenómeno del problema
After roll storage, the film blocks and deforms, and performance decreases during use.
Análisis de la causa
Residual stress in the roll and ambient temperature slowly deform the film layers; heavy-pressure stacking aggravates the problem.; During on-site troubleshooting, verify item by item according to this mechanism, and avoid blindly adjusting the machine based only on experience.
Solución
①Control the storage environment temperature; ②Avoid heavy-pressure stacking; ③First in, first out to shorten inventory; ④Re-test before use when necessary.; After adjustment, continuously sample to verify the effect, and resume mass production only after confirming stability.
Conclusión clave
Storage conditions are an extended link of film quality; temperature-humidity and stacking management cannot be ignored.; After confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence
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