Two Billion Hours
Thursday, October 13, 2011Viewed 1885 times
When I studied Reliability Engineering in graduate school, I was taught that failure rate data came from field failure studies. I assumed that operating companies always kept accurate records when a piece of equipment failed. I also assumed that someone would investigate the failures and assign a root cause. Later, I found that is not quite reality in many industries. Even so, field failure data is a valuable source of information even when the reports are incomplete and information is missing.
This past summer, exida completed a large field failure study on pressure transmitters and remote seals. This study was based on manufacturer warranty return data. Experts know that type of data should not be used by itself to calculate…
Failure Data • (1) Comments • Permalink