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Reply to "Difference between FMEA and FMECA"

Parle,
Also on the subject of Criticality, despite intuitive reasoning supporting its importance, the intervals of condition based maintenance are primarily set by the PF interval (the rate of equipment deterioration) and hard time replacement is determined by safe life. Asset criticality is a second order consideration for evident failure modes. It is important for hidden failure modes, but if one choses the right algorithm for maintenance analysis, then one avoids the RPN system which, to me adds an unnecessary complication to the analysis and, can drive the wrong thinking.
Regards
Steve
RM
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