Processing Machinery
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LLDPE film bubble cooling internal cooling
Problem Phenomenon
Output constrained by cooling capacity; obvious improvement after adding an internal cooling system.
Cause Analysis
External cooling is insufficient at high LLDPE output; the IBC internal cooling system dissipates heat from inside the bubble, significantly improving cooling efficiency.; During on-site troubleshooting, verify item by item according to this mechanism, avoiding blindly adjusting the machine based only on experience.
Solution
①Evaluate installing an IBC internal cooling system; ②match internal and external cooling balance; ③monitor bubble temperature; ④optimize air ring coordination.; After adjustment, continuously sample to verify the effect, and resume mass production only after confirming stability.
Key Takeaway
Internal cooling is standard technology for high-output LLDPE; the internal-external cooling balance determines final capacity.; After confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence.
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