I. Daily Maintenance Procedures
- Equipment Cleaning
After daily shutdown, use specialized cleaning agents to remove residue from die heads, lips, and cooling rollers to prevent film contamination. Focus on cleaning breathable film components to avoid clogging that affects breathability. - Critical Component Inspection
- Check extruder screw wear; repair immediately if scratches or deformation are found
- Verify uniformity of die head heating zones (temperature variance >±5℃ requires thermal system inspection)
- Test nip roller pressure balance to ensure film thickness consistency
II. Periodic Maintenance Schedule
| Frequency | Maintenance Tasks |
|---|---|
| per shift | Check hydraulic oil level, air system seals, clean air duct dust accumulation |
| weekly | Lubricate drive chain bearings, calibrate tension control system |
| quarterly | Replace gearbox oil, test electrical component insulation |
| annual overhaul | Complete disassembly and cleaning of die flow channels, replace severely worn nip belts |
III. Common Fault troubleshooting
- Uneven film thickness: prioritize checking die temperature distribution, then verify cooling water flow stability
- Reduced breathability: immediately shutdown to clean breathable components, check seal aging
- Nip vibration: inspect chain tension and drive belt condition
IV. Safety Operating Procedures
- Lockout/tagout must be implemented before maintenance
- Wear heat-resistant gloves when handling hot components
- Use specialized tools for die assembly/disassembly to avoid surface damage
This maintenance guide helps extend equipment lifespan and ensure production quality. For customized maintenance plans, please provide specific equipment models for further details.
Post time: Oct-17-2025