Processing Machinery
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HDPE material change cleaning
Problembeschreibung
Long-time color mixing after HDPE material change
Ursachenanalyse
HDPE melt viscosity is high and dead corner replacement is slow; 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
Lösung
Use purging material for material change; schedule production from light to dark colors; clean dead corners regularly; after adjustment, continuously sample to verify the effect, and resume mass production only after confirming stability; change only one variable at a time and record parameter changes, to facilitate locating effective measures
Wichtigste Erkenntnis
Color change management: production scheduling plus purging; 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 future problems
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