1/ Definition
Quantity of production lost because of breakdowns or production stoppages caused by maintenance (OEE C2 and C4)
2/ Objective / Target
The set of strategic indicators has three main objectives:
- Verification of the effectiveness of maintenance processes
- Comparisons between plants independently from the business
- Comparisons with external organizations
3/ Formula
| Direct impact of maintenance on industrial performance = ( OEE category 2 losses + OEE category 4 losses ) x Economic contribution |
|---|
Unit: local currency
Details of the formula: see "5/ SAP extraction and detailed calculation"
4/ Frequency
Yearly
5/ SAP extraction and detailed calculation
Manual input of OEE losses from production report
(Site template > Yearly tab)
- OEE category 2 losses :
Amount of good product not delivered due to planned maintenance or planned capital installation
- OEE category 4 losses :
Amount of good product not delivered due to breakdowns
- Economic contribution :
Contribution margin generated per produced unit (in local currency)
| Causes categories | Solvay | ||
| OEE Losses C2 | 2 - Planned Maint. | ||
| OEE Losses C4 | 4 - Unplanened Maint. | ||
| Theoretical Production | Maximum demonstrated Capacity (MDC) |
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