MTBF tells us the most frequent failures within a process. Mean Time means, statistically, the average time. Mean Time Between Failures is two important KPI's in plant maintenance. In other words, the mean time between failures is the time from one failure to another.
Mean Time Between Failures = Total up time / number of breakdowns
= (Total calendar days-Failure days)/ number of breakdowns
Mean Time Between Failures is literally the average time elapsed from one failure to the next. Usually people think of it as the average time that something works until it fails and needs to be repaired.
• MTBF is not the reliability
• MTBF does not include wear-out
= (Total calendar days-Failure days)/ number of breakdowns
Mean Time Between Failures is literally the average time elapsed from one failure to the next. Usually people think of it as the average time that something works until it fails and needs to be repaired.
• MTBF is not the reliability
• MTBF does not include wear-out