Injection Molding
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LLDPE processing equipment upgrade
Problem Phenomenon
After old LDPE equipment switches to LLDPE production, output decreases and quality is unstable, with large retrofit investment
Cause Analysis
LLDPE's high viscosity requires greater power, higher torque, wider die gap and dual-lip air ring; old LDPE equipment needs systematic retrofit; '2079851475616104452 equipment generally needs no improvement
Solution
①Systematically retrofit film equipment to LLDPE requirements; ②'2079851475616104452 equipment can switch production directly; ③conduct economic evaluation before retrofit; after adjustment, continuously sample to verify the effect, and resume mass production only after confirming stability
Key Takeaway
LLDPE equipment upgrade is a necessary investment for film production switch; '2079851475616104452 switch has almost no threshold; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence
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