Molds & Tooling
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Insufficient equipment maintenance during processing of general-purpose polyethylene general-purpose polyethylene
Problem Phenomenon
Equipment failures occur frequently, product quality fluctuates, and production efficiency is low.
Insufficient maintenance leads to decreased equipment accuracy, worse plasticization quality, and increased energy consumption.
Cause Analysis
（1）The equipment has been running for a long time without periodic maintenance
（2）The screw and barrel wear are not checked and replaced in time
（3）The mold is not regularly maintained and polished
（4）The sensors and instruments are not regularly calibrated
（5）The lubricating oil is not replaced on time, and the mechanical parts are worn
Solution
（1）Establish an equipment preventive maintenance plan, with monthly, quarterly, and annual maintenance
（2）Regularly check the screw clearance (not exceeding 0.2mm) and barrel wear
（3）Perform maintenance and polishing of the mold every 100,000 mold cycles
（4）Calibrate the temperature sensors and pressure sensors quarterly
（5）Establish equipment archives to record the maintenance history
Key Takeaway
Equipment maintenance is the basis of stable production, and a standardized regular maintenance system and record system need to be established.
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