I. Daily Maintenance (Before and After Each Shift)
Clean Equipment Surfaces and Key Components: Clean paper scraps, dust, and residue from the cutter holder, guide rollers, pressure rollers, and take-up shaft to prevent dust accumulation from affecting cutting accuracy.
Check Cutter Condition: Confirm that the cutter is sharp and securely installed, and that the bottom roller is free of scratches or adhesive buildup.
No-Load Test Run: Perform a short run before starting the machine, listening for any abnormal noises and observing whether each transmission component is functioning normally.
II. Weekly Maintenance
Thoroughly Lubricate Moving Parts: Add the specified type of lubricating oil or grease to bearings, gears, chains, and slide rails to prevent dry friction from causing wear.
Check Electrical System: Check for damaged cables, loose connections, and dust accumulation inside the control cabinet to ensure good heat dissipation.
Tighten Connections: Check and tighten all screws and nuts, especially the fasteners of key components such as the cutter holder and transmission box.
III. Monthly Maintenance
Deep Cleaning and Functional Testing: Disassemble moving parts for internal cleaning, check pneumatic components (such as cylinders and pressure regulating valves) for leaks, and verify the responsiveness of solenoid valves.
Calibrate Key Parameters: Calibrate the tension sensor, counting wheel, and deviation correction system (EPC) to ensure measurement and control accuracy.
Replace Wear Parts: Replace severely worn blades, belts, bearings, etc., according to usage frequency to avoid minor issues causing major damage.
IV. Quarterly or Long-Term Downtime Maintenance
Comprehensive Rust Prevention Treatment: If the equipment is not used for more than two weeks, wipe all shiny surfaces clean, apply rust-preventive oil, and cover with plastic sleeves; if not used for more than three months, cover the rust-preventive oil with moisture-proof paper.
Check the Control System: Back up the PLC program, check the touchscreen response and communication module status to prevent data loss or communication interruption.
Perform Overall Machine Performance Evaluation: Test core indicators such as cutting speed, tension stability, and winding neatness to determine if a major overhaul or upgrade is needed.
V. Establish Maintenance Records
After each maintenance session, record the time, content, replaced parts, identified potential problems, and corrective measures in detail.
Develop a preventative maintenance plan, dynamically adjusting maintenance cycles based on equipment usage time and production load.
Regular maintenance is not only about keeping the machine running, but also a crucial step in ensuring product quality and production safety. Adhering to the principles of "thorough cleaning, adequate lubrication, comprehensive inspection, and complete record keeping" can significantly reduce failure rates and improve overall equipment efficiency.
