Yes. Changeover time should be included in OEE (specifically, it should be included in Availability). Changeovers are a source of Setup and Adjustment time, which is one of the Six Big Losses.
What is included in OEE?
OEE is calculated by multiplying the three OEE factors: Availability, Performance, and Quality.
What are the six big losses of OEE?
SIX BIG LOSSES
- OEE AND TPM LOSSES. •
- EQUIPMENT FAILURE. •
- SETUP AND ADJUSTMENTS. •
- IDLING AND MINOR STOPS. •
- REDUCED SPEED. •
- PROCESS DEFECTS. •
- REDUCED YIELD. •
- USING THE SIX BIG LOSSES.