Processing Machinery
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PLA product degradation odor
Problembeschreibung
Products have a sour odor.
Ursachenanalyse
PLA degradation produces lactic acid substances; excessive thermal history accelerates it.; during on-site troubleshooting, 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
① Control processing temperature and time; ② fully dry; ③ clean equipment; ④ strengthen ventilation.; after adjustment, continuously sample to verify the effect, and resume mass production only after confirming stability
Wichtigste Erkenntnis
Odor is a signal of degradation; it can be controlled by thermal management.; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence; include this case in the defect archive as a reference for troubleshooting similar problems in the future
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