Table 1 Comparative analysis of CM and PM.

From: Strategical selection of maintenance type under different conditions

Aspect

Corrective maintenance

Preventive maintenance

Definition and focus

Reactive repairs after failure

Proactive measures to prevent failures

Timing and response

After failure occurs

Regularly scheduled maintenance activities

Cost implications

Potentially higher overall costs

Long-term cost savings through prevention

Operational disruptions

Potential production delays

Minimized operational disruptions

Approach

Reactive

Proactive

Objective

restore functionality

Increase reliability and lifespan

Downtime

Unplanned downtime

Planned maintenance downtime

Resource allocation

Usage of resources after failure

Regular allocation for maintenance tasks

Potential issues

Production losses, emergency repairs

Major failures, unexpected breakdowns

Long-term effects

Short-term cost effectiveness

Improved reliability and cost savings