Board logo

标题: ?????????????????????????????¤??????????[×?] [打印本页]

作者: ????    时间: 2004-3-16 19:46     标题: ?????????????????????????????¤??????????[×?]

?????????????????????????????¤??????????[×?]

?????????????¨????????

   ???????¨??±??¨???????°?ú?·?????¨?????????????¨???±???????ê?????¨???????????±?ò?¨???????°?????¨?????????????¨?±?????ù???í???????????±???§±í?????????ù?????????±??(MTBF)?????????????ú??????????±????????????????????????????????????è?????ò???????????????????í?????????ù?ù????×·????×????ù???????????ì???????????????????????????í????????????????±?×·?????????????ú????????1995?ê?????????????????¨???á?????????????·????????????????????(MFOP)???ú??????MTBF???????????è?ú??·???????????±??ò?????????????ú???ú?§?§??·¨±??????????????ò?????±?°?ú?????????????????¤?????????§?§???í·?·¨?????±?÷???è?????????????ú?§?§???ú?·??·??????????????±???????????í×??????????¤·????????????è???ú?·??·??è?????±±????????ú?·???á???ù·??ú????????°????±·??ú????????
   ??×??????????????????·±???×÷???????????¤×÷????
1????±????????è?????·??
   ??×????????????????è??·?·¨?????ú????MTBF????×???????·???·?·¨???±?ú?·???????????è???ê?????ó?????????è???????????è???°??·??????????????é???·????????????·??ú?????????ü???°???????????ú?í?????è???±????????????????×????????????????????????????????????×???????????????????????????¨?????¤?????ù???????????????·±???????????????±ê??????·????à???????±±????ò?è???ó??·??????????????ü???è????????·??±?????§???????????????????????è?????????¤
   ????×????à???????????????????¤???è?????¤
   ???????í?????à?è???¤
   ?????????è???¤
   ?????è???¤
   ?????í???è???¤
   ?·??·??¤?è???¤
   ???à?è???¤
   ???????????????°?ì?????????????????????????è??????
2????±????????¤???¤×÷·?·¨??
   ?????????ú?·????????????????±???°??????????????????ú?·??·??????×???????????????????????ì?????÷????????????????????×????????????????è??·?·¨???????÷???ú?·????????????±????·?????????§?§???í·?·¨?¤×÷?????????§???????¤·???????????×????°?????????????±??????????×??????¤×÷????
   ?§?§???í·?????????????????
   ?????????????????é???°??±????è???±???????????§????????????
   ?????????????????é(HAST)??±????ú?·±????·???è????????
   ?????è?????ó???????????è????????
   ???????í?¤·????????????è?????????¤

????????????????±ê?????°???é?¤ ??

   ?±?°??×??ú?·??±é?????ù?????????±??MTBF??±í?÷??MTBF???ú?·?ù±?????????±ê???????????¤???±???????????????ù?????????§×??????????????????????????ù???ü?????????±??MTBCF?????ü?·??????????????MTBF????????????????±ê?é?¤???é?±????????MTBF????????????????????????????????????°???°????????é?¤???é???ú?·??????×????ò?????°????×????±???í?????????ú?·???????ê?????¨?????????????????????????ê?????¨????????????????·?????±?????????????±????ò??????????0????????1????????????·??à?????????¨???????¤?????????????????????ó???????¤?÷???ú?·???????????ì?????°?ì?????????????ó???????????§???ó(???×???ú?··????ú?????????ò???¨????)???????ó???á??(?????????§?§???????÷???????±??????)?????§??????????°??????ó?????????????????????????????????????????????í???????????é?????????à·????????ú?·???????é?¤?????????????·????????????????·?·¨?????????????????í???±?????????ú?·???ú????·????????????????????í???±??????????°?±???????·????±??????×??è???????à?è???ó?±?????????????ò????????70?ê?ú???ú???????ú?·??·??????????????¨????????????·?·¨????×??÷?????????????????á???????·?¨???????????í?????????????????????????????????ù??????1980?ê???ü±ê×?MIL??STD??785B°????ó?????????¨???í·?·¨±???????????785B±ê×??????????????¨???????????ú?·???????é?¤?????????????°????×????±???í?????í????????????????????ù?????????ú???ü???×????????????ר???????ù?????é?¤·?°???????°??ú?·????????±ê????·?????·?±??é?¤????°????????÷×°±?????×?????·????????????????????¤
   ?????ú?ê??????(Missionworthy)?¤
   ?????¨?±?????????????ó???ê??????(Missionworthy)?¤
   ???ê??????????????????(Missionworthy impaired)?¤
   ?????ê??????(Non??missionworthy)?¤
   ?????ê?????????§???ú??????(Non??mission??worthy) ??
   °?????????±ê·?????±í???????????í????????????????????±ê????·??????¤???°???????????????è??????????·??????????????????ò?????ù?????ü??1986?ê10??17??·?????MIL??STD??7810???¤?????????¨???ú?ú?????????é?·??????±??????×???á???????????é?¤??°??ó??????????°?·??ú??????·????????ü?????????????????á?????????à??????????×??ù?????????????????????????¨???í?????üMI???????????ù×???????
   ?????ú????±ê×????é???????ü20?????à?ú?·?????????????¨???í?????ü?··?·????????????×???????????é·?·¨?·?????á?????????·??????????YD282??1982???????¨???è±????????¨?????é·?·¨?·???????á?????????¨?????????????????à?ú?·?÷?????????á?????????¨?????????????????é?????????????????¨·?°??????????÷×????????¨?¨???????????????°?????????¨???ù?é?????????????????????????????????????????????????ì?????????????¤

??????±??????????????????????è?????· ?????í?????????è?? ?¤

   ??×????á???????????????á???????????????????????í??????×????????±?°??×?????(?ò?è±?)?í??????????????????????????±??????????????¨???ú?·????50%???????????°???????????????????????????í???????????°?????±???????í????????·±·??ú?????????ó?????????????????¤???¤×÷?±?????í?????????á?°?????????ò???????????????í?????????¤×÷???í?????ú???????????????????ù???ê?ú?ó???????????????í?????????¤????????°????ê?ú???á?????±???????í?????????????????????ì???????í?à???????????????????ú°????ê?ú??????????ר??????·??????????????????????????ê?ú?í?????????¤?????????????????°???????í?????????í???????ò?¤???????????±???????????????????????????????????????????????ù???í?????????¤?????????ú?·??·???±???·????????????í???????????????????????????????????????ó????????????????·???????
   A????????????·?????·???????°?????????·????ò??????·?????????????×??????¨?????????ó????
   B??????????±ê?·?¨?à?ù??????
   C??±ê?????????????????????é?¤?????????·?¨??????
   D????×??è±????í????????????????????????°??????????í???????????????è???±?????????ù??·???????
?????í?????????¤???÷?????????¤×÷????
   A???¨????????????????
   B???·?¨?????í??????????±ê????
   C???????í??????????±ê·???????
   D??????????????±ê?¤??????
   E???í?????????è??????
       ·??í?è????
       ???í?è????
       ±ê?í?è????
       ???í?è????
       ?????????è??????
   F?í????????·???????
       ?í???§?§?????°?ì·???(SFMEA)??
       ?í???????÷·???(SFTA)??
       Pertri??·???·¨??
   G?í?????????é?¤???í??????????°??????¨???í?????????????????????????í?????????????????????é?¤???ú????????ר???????????í???????????????ú?????í???é???????????????í?????????????ò???????????í????????·???????·??????????é??????????????GJB899???????????¨???é?????é?·???·?¨?í?????????é??×??ò??

??????±?????????×??ú?·?á???è?????? ???????????á???è?? ??

   ????????×??ú?·?á???è????°?±ê×??????á???è???????????é?ò??????????×°???ò????????????????????????°é?????§????·??????????????????????????á???ú?·?????????á???è??????±????????????á???è????????×?·¨?????????????????á???è?????ù?????????á???è???????????ù??????
??×??ú?·?á???è?????ú???????????è???????è????EMC?è???????????è??????·??è?????????è???ò???????????ò?????à?????ò???ü???????????????????????????????è???????¨???????è??????
   ???????è???ò???????ú???????????è??????×??ó???ú?????????????????÷???ú???????????è?????ù±????????¨??????
   A?????????è???????????è???à?á????
   B?????????????è?????????????????è???à?á????
   C???????è???????????è???à?á????
   D???¨???è?????¨???è???à?á????
   E???ú???????????è??????±??è???à?á????
   F???ú???????????è???????·???????è???à?á????
   ?????ú????????????±???°??????????????????á???¤???????????????????????ú??????????·???·?·¨???è??·?·¨???¤

???????????????????????í?????·????IPPD???í ??

   ????1995?ê?????????ú???ì?±??°?·????????????????????íר???????ì?????????±???°???????í???÷???±????×???????????·????·???????°???????????????ú?ú?????????????????????????????????????????????????????????????¨???????????é???????????????ó?????ú???????????????ú?????????í??????±????????????í???????????????±???????°???ò????????????????????×??ü??·????????????ú?ú·??????????é???????¤???????????????¤???±???¤Mark schaeffer?????????ú·??¤???????????á???????°?????ú???????í???????????????????·??×??á???ú???????í???????×????
   (1)?????×?????????????ì?é??
   (2)80?ê?ú??????????×?????????TQM(Totac Quality Management)??
   (3)90?ê?ú??????×??ú?·??·??è????????IPPD?????°???????????°???ì???????????ò?¤·??????????????????????????????°????????ר?????±×??????ú???????????????????????????°?????????±?????§??????????±??????¤???????ì?í??±à?????ú?·???¤??????×?????????????±???????????????×é????·???????IPPD?????????÷?????¤×÷????×÷?????????ú?·?è??????????×??è???????ì?????é????????±??????÷·????????±(°ü?¨???????°?????????±)×é???à?§????×????ú?·×é(IPT)???????¤×÷???ù?????±?????????ú?·??×???±ê?????????ó?????????????????????÷?§???????????????í·?·¨?·±?R&M&S(°ü?¨????????±???????°?????)?????è???????????????????????????è?????ú?·??????±????????°?????¤?±??????????
   IPPD?????????÷???§?????????·±????§?????ó?????ú?·?è???????????§?ú±í±?×÷??IPT?????±?????è????????????IPT???±????·????????§?????ó????±??????§??R&M&S?????ó??°????§???ó×??????ú?·?è?????????????????ó????°????????ó?è?????ú?·??????????×??ó??????(????)????????????????????????????IPPD???í???????????§×¨??????CFT(?à?±??IPT)?????????????????????í×÷??????????????×??????????ì???¤???????????????????????????????????°??CFT·????????±×é????????????????±ê???????§?ú??????????????±ê????
   IPPD???í?????????????????????ò???ú??????×?±????á?§????????????????×·?ó??????????×??????±?????????????í?????°?ú?··????ú?ú???????¤?????????ó?±???????°?ì?é?±??????±??¤?ú?·???????×???°???ó°????±?????ú??????×·?ó?ú?·?°?¤??±????????????±???°×??????ü????·????±??×??????±?????¤·????????í???????°???????í?±?????????????????±????·???(??????????????????????????????°???????±???????)???????????÷?ú??????????·????ú???????ê????????????×?±????ò??·×·×????IPPD???í???????ú?????ú??·¨?ú????±????ú?????ú??????×??ó???????????????¤×÷????
??×÷??IPPD???í??±???×÷???????¤×÷????
   A?????ú?·??·????????????÷?????????????????è?????ú?·??????????????·?°??è???±????×é??IPT??×é????
   B??????????°?????????????????????????????????±???????????????°????????????¨?????????????è?????ú?·??????????????????
   C???????????????í???????????????????à???¤×÷????
   D????IPT???§?¤×÷??±?????????????×÷???????ü?????????°???¨?±???°???¨?±??????????????????????×???????????????????IPT??×é?ü???¤×÷??

?ù????±??????????í?????? ?????????????í ??

   ?????????í?????????¤??×é????·??????????????????????????????°?ú?·?????????è?????????????ì???????????í???????????±???????????í??°é??×????????¤??·?????·?????×??????????¤??·????·?????????????????í??·????ú???????ú?????????¤??????×?????·???×??ì???ú?????????????ú±í??????
   50?ê?ú?????ú?????????????????ê?ú???????????ü????×??è±??????????????????????????????????????????????????????????ü????×??è±???????×???×é(AGREE)????????????????????·????????????????????í?????á???é????????(±à??×??????ú???±?±??????°??ú??????57?ê?¨???°?????????·?????é?????ù?±??????????????×????ù)????
   60?ê?ú?????ú???????¤??????·??????×???????????ú???÷?????????????á?????????ó?????ê?ú??
   ????10?ê???????????÷×°±????????????????????í???????????×???????è???????é?????í±ê×?????MIL??HDBK??217??MIL??STD??781??MIL??STD??785???????¤???????÷?ó???????????¤???????????????¤×÷?????????°?????±???í????
70?ê?ú?????ú??????·??????????ì?×?????÷?????????¨?????????????????????í?ú????????×é?????÷?ú·???·??§????????????????±ê×??????á?????ó???????????????????ú?????????¤?????????÷?ó????·×·×?????????????í×é???ú???????ú?·????????±ê·??????¤???????????è??????????·??????????????é?????????????????????????í???????????????°?????±?????í?????°?????±???í????????????????
   80?ê?ú???????ú???????¤???ò×??ü?????ü????·??ò·??????????í???????????????????í?????÷???????°?????????í?????????????????????????í???????????ú???????????????????????ú?¨?ú?è??(CAD)?????????????¤?????????????????????é????×??????????í?è???????????????????????????·???????????????á?????ú???÷??????????????1985?ê???ú???ü???????°???????°??????2000?ê?????????±(R&M2000)?ü???????????????????í??????????????±??¤????????????????±??????°???÷×°±?×÷?????????????÷×°±???????±??ê?????????????????°?????????????????í???ó???????°???ó???±???í??×??ò???????á?ò??±?????
   90?ê?ú???ú????????·???????±?????·????ó?????ü??±ê×????ó????????×??è?????????¤???°IPPD???í???ò???????°???????±???í???ú?°???ó???±???í???×???????ú???ü?°???à???¤????????·??????°???????±???í???¨???ó??±ê×?????·????????§???????°???????±???í?á?????????????????????ò??????·??????????????°???????±???í???ê????1????2???°???????±???í??????????A.?????????¤???????ú?·??·????????????????????ò??????·???(????????????????????????±???????°???????????????)??????????B.?????????à???????????ú?·??·??????????????????????????????á?????????????????ó??C.?????????????????í???????????í???????§??×????ü?????????????¨???ì????????D.??????????????·??????í?????ú?·??·??°?????????ê?????????????????í?????????ò???????????¤×÷???????????°???????????????§?????í??·???????±????????????¤????
?ù?????¤?????????????¤???¤×÷???é????????????°????ú?ú?é???ú?·????????????????×??è±????????ú?ú???????????í?????????????¤

±?????????×??????ò???ú?????????¤???á??×???????????×????÷?????????¤?????????á?°??




欢迎光临 我要委托设计网论坛 (http://51odm.com/fourms/) Powered by Discuz! 5.5.0