Mean Time Between Failures (MTBF)
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Category:  
Analytical

Measures the average time elapsed between two consecutive equipment failures.

What it Measures ?

How long equipment runs before breaking down.

Relevant StakeHolders 

Reliability Engineer, Maintenance Team

Why it Matters ?

Improves equipment reliability.

In-depth Use Case / Real-world Example

MTBF is used to predict the reliability of machinery by calculating the average time between failures. For example, if a machine operates for 1,000 hours before breaking down, MTBF is 1,000 hours. A higher MTBF indicates greater equipment reliability and lower maintenance costs. Companies can use MTBF to schedule maintenance proactively and avoid costly breakdowns. It also helps in selecting reliable equipment and understanding the long-term costs of machine ownership.

KPI Definition

Business Value

Movement Direction

Sample Formula

Total Operating Time / Number of Failures

Should Aim For
1
2
3
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