Processing Machinery
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LDPE Plum Rain Season
Problem Phenomenon
During the plum rain season, LDPE film bubbles increase.
Cause Analysis
Regrind and attached water increase, and ambient humidity is high; 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 literature and should be confirmed first during troubleshooting.
Solution
Regrind must be dried; workshop dehumidification; tighten bubble monitoring; 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.
Key Takeaway
Rainy season regrind management and dehumidification; After confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence; Incorporate this case into the defect archive as a troubleshooting reference for similar future problems.
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