How to Combine CBM with Other Maintenance Strategies

In environments that depend on complex systems, such as refrigeration and air conditioning in supermarkets, combining different maintenance strategies can be key to optimal performance. Condition-Based Maintenance (CBM) can be integrated with other approaches, such as preventive and predictive maintenance, creating a hybrid strategy that maximizes efficiency, minimizes costs, and increases reliability.

Hybrid Strategies: CBM with Preventive and Predictive

1. CBM with Preventive Maintenance
   • The combination of CBM with preventive maintenance is ideal for equipment that requires regular inspections due to its criticality.
   • CBM reduces the frequency of inspections by monitoring conditions in real time, while preventive maintenance acts as an additional safety measure for less monitored equipment.
2. CBM with Predictive Maintenance
   • Predictive maintenance uses periodic analysis to forecast failures based on performance trends. When combined with CBM, which provides real-time data, a more accurate proactive approach is created.
   • CBM complements predictive maintenance by acting as an additional layer of detection, ensuring that anomalies are identified between analysis intervals.

When to Apply Each Type of Maintenance

• CBM: Ideal for highly critical equipment with operational impact, such as compressors and heat exchangers. Continuous monitoring allows action before failures become critical.
• Preventive: Recommended for secondary or low-criticality systems, where constant monitoring costs may not be justifiable.
• Predictive: Suitable for assets with well-established performance patterns, but which do not require real-time monitoring.

Combined Benefits for Refrigeration and Air Conditioning in Supermarkets

1. Increased Energy Efficiency
   • CBM identifies energy inefficiencies in real time, such as overheating or refrigerant leaks, while preventive maintenance ensures regular upkeep that complements these corrections, such as cleaning coils.
   • Combining these approaches reduces energy consumption peaks and optimizes system performance.
2. Reduced Operating Costs:
   • Equipment monitored by CBM requires fewer emergency interventions, while preventive maintenance ensures that less critical components are kept in good condition, with intervals that can be longer than usual.
   • Predictive maintenance, in turn, prevents imminent failures in specific assets, optimizing resources and avoiding financial losses.
3. Extended Equipment Lifespan:
   • CBM, combined with predictive maintenance, identifies issues such as excessive vibration or bearing wear before they permanently damage the equipment.
   • Preventive maintenance reduces the impact of accumulated wear over time.

Practical Example

• Refrigeration System in a Supermarket:
  • CBM: Monitors variables like temperature and pressure in real time, alerting about anomalies, or even indicating that no intervention is needed due to correct operation.
  • Preventive: Periodically replaces filters and lubricates non-monitored components.
  • Predictive: Uses periodic reports to predict compressor wear based on vibration trends or oil analysis.

Conclusion

Combining CBM with other maintenance strategies offers a robust and efficient approach for supermarkets. This hybrid strategy maximizes operational efficiency, reduces costs, and increases the reliability of refrigeration and air conditioning systems. By integrating real-time monitoring with predictive analysis and regular inspections, it is possible to ensure sustainable and high-performance operations.

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