Letters to the editor
MTBF In reading "HP In Reliability" (June 2003), I am reminded that MTBF cannot be compared from company to company, or even plant to plant within a given company for one basic reason: Ther..
MTBF
In reading
"HP In Reliability" (June 2003), I am
reminded that MTBF cannot be compared from company to company,
or even plant to plant within a given company for one basic
reason: There is no common definition for failure. The
definition can and is based on literally thousands of criteria:
production interruptions, machine failure, component failure,
costs, etc.
The Reliability Center in Hopewell, Virginia, cites
a meeting in which more than 900 reliability engineers were
asked to write their definition of failure. To the shock of
many, no two definitions were the same. The only universal
MTBF value, therefore, is as a trend
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