Processing Machinery
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LDPE vs HDPE Selection
Fenómeno del problema
Rigid containers made of LDPE deform
Análisis de la causa
LDPE rigidity is far lower than HDPE, and it is not suitable for rigid containers; 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
Select HDPE for rigid containers; select LDPE for soft packaging; divide work according to rigidity requirements; 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 and HDPE divide work according to rigidity requirements; 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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