Extrusion & Post
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HDPE film improper barrel water cooling
Problem Phenomenon
The extrusion output is low, and troubleshooting finds improper management of barrel cooling water.
Cause Analysis
Improper use of barrel cooling water affects the conveying efficiency of the feeding section and melting stability, leading to decreased and fluctuating output.; when troubleshooting on site, verify item by item according to this mechanism, and avoid blindly adjusting the machine based only on experience
Solution
①Standardize barrel water cooling according to the prevention checklist; ②check the cooling water circuit and temperature control; ③monitor the output and melt pressure; ④train standard operations.; after adjustment, continuously sample to verify the effect, and resume mass production only after confirming stability
Key Takeaway
Barrel cooling is a neglected factor affecting output; standardized water cooling management can stabilize conveying efficiency.; after confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence
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