Molds & Tooling
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Insufficient Equipment Maintenance in Polypropylene Processing
Problem Phenomenon
Equipment failures occur frequently, product quality fluctuates, and production efficiency is low.
Insufficient maintenance leads to decreased equipment precision, deteriorated plasticization quality, and increased energy consumption.
Cause Analysis
(1) The equipment has been running for a long time without periodic maintenance
(2) The wear of the screw and barrel is not checked and replaced in time
(3) The mold is not regularly maintained and polished
(4) Sensors and instruments are not regularly calibrated
(5) The lubricating oil is not replaced on time, and 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 on the mold every 100,000 shots
(4) Calibrate the temperature sensor and pressure sensor every quarter
(5) Establish an equipment file to record the maintenance history
Key Takeaway
Equipment maintenance is the foundation of stable production, and a standardized regular maintenance system and recording system need to be established.
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