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VOOZH | about |
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VOOZH | about |
Maintenance is essential for keeping assets running smoothly and avoiding unexpected failures. Two common maintenance strategies are Preventive Maintenance and Predictive Maintenance. This article will explain these concepts, their differences, and when to use each.
Preventive Maintenance is a proactive approach aimed at preventing unexpected equipment failures. The goal is to identify and fix small problems before they become major issues. This type of maintenance is scheduled regularly, regardless of whether there are signs of potential failure.
Predictive Maintenance is a strategy that focuses on predicting potential equipment failures by monitoring the condition of assets while they are in operation. The goal is to perform maintenance only when it is needed, based on data and performance indicators.
Key Characteristics -
| Preventive Maintenance | Predictive Maintenance |
|---|---|
| Preventive maintenance is usually performed to prevent assets from unexpected failures. | Predictive maintenance is usually performed to predict failures that might occur so that it can be prevented from occurrence. |
| This maintenance is performed on whether needed or not i.e. whether potential failure is identified or not. This is done on regular basis. | This maintenance is performed whenever needed i.e. whenever any potential failure is identified. This is not done on regular basis. |
| One needs to increase downtime of asset to carry out maintenance i.e. one need to stop primary functions of assets to carry out maintenance action. | No downtime of machine is required i.e. one does not need to stop primary functions of assets as this maintenance can be performed while assets are performing their regular functions. |
| In this, maintenance occurs even if potential failures are not identified. | In this, maintenance occurs only when potential failures are identified. |
| It is less complex process and simple than predictive maintenance. | It is more complex and difficult than preventive maintenance. |
| This maintenance action is more costly than predictive maintenance as regular maintenance requires more investment. | This maintenance action is less costly than preventive maintenance as one can simply reduce avoid maintenance that is not necessary and thus reduce maintenance costs. |
| It is more time consuming because in this type of maintenance, one need to perform inspection and maintenance on regular basis. | It is less time consuming as in this type of maintenance, one need to perform inspection and maintenance only when required. |
Choosing the right maintenance strategy depends on various factors, including the criticality of the equipment, the cost of downtime, and the availability of monitoring tools. Preventive maintenance is straightforward and ensures regular upkeep, while predictive maintenance is efficient and cost-effective, requiring advanced monitoring and analysis.
