MDT
Reliability
MDT (Mean Down Time)
Mean Down Time
Average total time an asset is unavailable after failure, including diagnosis, repair, logistics and administrative delays.
Examples
- 01MDT for the packaging line is 2.4 hours per failure, of which only 50 minutes is actual repair; the rest is waiting for the technician and parts.
- 02Before the strategy for the palletiser is changed, reliability engineering splits MDT into diagnosis, waiting, repair and restart times.
- 03Keeping the five most used spares in a locked cabinet at the line cuts MDT by 40 %.