Maintenance Program Structure
A structured PM program reduces unplanned downtime by 30–50% in typical factory automation environments. Classify equipment by criticality — A (production stop), B (degraded), C (non-critical).
- Daily: visual inspection, alarm log review, temperature check
- Weekly: filter inspection, connection torque check
- Monthly: encoder reference verification, drive parameter export
- Quarterly: bearing lubrication, belt tension, cable integrity
- Annual: full calibration, thermography, spare parts audit
Drive and Motor Maintenance
Clean drive heat sinks quarterly — dust accumulation reduces cooling efficiency and triggers overtemperature faults. Export drive parameters after any tuning change and store in version control.
Monitor motor bearing temperature with IR thermography. Trending vibration data on critical spindles enables predictive replacement before failure.
Documentation and Spares
Maintain a bill of materials for each machine with lead times and minimum stock levels. Align spare parts strategy with OEM recommended lists — fuses, contactors, encoders, and drive modules.
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