Formula: Tus Risk Priority Number, lossis RPN, yog ib qho kev ntsuas tus lej ntawm kev pheej hmoo raug xa mus rau cov txheej txheem, lossis cov kauj ruam hauv cov txheej txheem, uas yog ib feem ntawm Kev Ua Haujlwm Tsis Ua Haujlwm thiab Kev Ntsuam Xyuas Cov teebmeem (FMEA), nyob rau hauv uas ib pab neeg muab txhua yam tsis ua hauj lwm hom lej qhov tseem ceeb uas ntsuas qhov yuav tshwm sim, qhov tshwm sim ntawm kev kuaj pom, thiab qhov cuam tshuam loj heev.
RPN xam hauv FMEA li cas?
Tom qab qhov kev ntsuam xyuas tau raug muab tso tseg, RPN rau txhua qhov teeb meem yog suav los ntawm multiplying Severity x Occurrence x Detection. Tus nqi RPN rau txhua qhov teeb meem tuaj yeem siv los sib piv cov teeb meem uas tau txheeb xyuas hauv qhov kev tshuaj ntsuam.
RPN yog dab tsi thiab nws suav li cas?
RPN yog suav los ntawm kev muab peb cov qhab nia: Qhov hnyav, tshwm sim thiab kuaj pom. … RPN=Qhov hnyav x tshwm sim x Tshawb pom. Piv txwv li, yog tias qhov qhab nia hnyav yog 6, qhov tshwm sim tus qhab nia yog 4, thiab kev kuaj pom yog 4, ces RPN yuav yog 96.
RPN tau txais dab tsi hauv FMEA?
Los ntawm kuv qhov kev paub dhau los, feem ntau lub tuam txhab yuav siv RPN >100, 125, 150 tab sis rau FMEA 4th tsab, siv RPN tsis pom zoo. Txhawm rau ua, koj thiab siv Severity 9 lossis 10 thiab tseem mob hnyav (5 txog 8) X tshwm sim (4 txog 10).
tus qhab nia RPN phem yog dab tsi?
Tus qhab nia RPN yog xam los ntawm kev sib npaug ntawm qhov hnyav / qhov tseem ceeb, qhov tshwm sim tshwm sim, thiab qhov tshwm sim ntawm kev tshawb pom. Raws li Table 2, ib qho RPN ntawm 36 yog suav tias yog qhov tsis xav tau.
