Processing Machinery
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LLDPE film bubble shaking troubleshooting
Problem Phenomenon
Bubble shaking causes are complex; systematic troubleshooting is needed.
Cause Analysis
Uneven temperature, improper air ring position, and high raw material humidity can all cause shaking; a single adjustment is often ineffective.; During on-site troubleshooting, verify item by item according to this mechanism, avoiding blindly adjusting the machine based only on experience.
Solution
①Check the temperature profile; ②adjust the air ring position; ③extend raw '2079851475616104451; ④isolate and verify item by item.; After adjustment, continuously sample to verify the effect, and resume mass production only after confirming stability.
Key Takeaway
Shaking troubleshooting must be systematic; the item-by-item isolation method is more reliable than experience guessing.; 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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