Binciko aiki ne mai mahimmanci amma ba ƙaramin abu bane, kuma maƙasudinmu shine muyi kaɗan gwargwadon ikonmu, muddin muna ci gaba da biyan bukatun abokin ciniki. Lambar karba ta sifilin (c = 0) tsarin samarda samfurori na bukatar karancin dubawa fiye da tsarin ANSI / ASQ Z1.4 (wanda MIL-STD 105 wanda ya saba da shi), kuma zai iya yuwuwa lokacin da mai siye yake da kwarin gwiwa a kan ingancinsa.1
Tsarin ANSI / ASQ Z1.4 ya ƙunshi girman samfurin n, da lambar karɓa c. Mai dubawa ya binciki abubuwan, kuma ya yarda da yawa idan an samu c er anna lahani ko rashin ayyukan yi. An tsara waɗannan tsare-tsaren don bayarwa (wajen) damar kashi 95% na yarda a matakin ingancin (AQL), wanda shine ɗayan sigogi don zaɓin shirin.
William A. Levinson, PE, FASQ, CQE, CMQOE shine babba na Levinson Productivity Systems PC kuma marubucin littafin The Expanded and Annotated My Life and Work: Henry Ford's Universal Code for World-Class Success.
An gabatar da ni shirin Squeglia na c = 0 a watan Maris na 2018. An so in san dabarun lissafin Squeaglia don bayyana girman samfurin.
Na karanta littafinsa, bugu na 5 amma na kasa gano shi. Don haka ina matukar gode muku akan labarinku. Kuma ina da tambaya guda akan labarinku.
A littafin Squeaglia, Ya gaya masa cewa ya yi amfani da murƙushewar Hypergeometric don ƙarin ƙididdigar daidai, amma kun yi amfani ne kawai da rarraba Binomial
A bugu na 5, "Shirye-shiryen Samfurin Lambar Karɓar Zero", ban iya gano yadda yake lissafin girman n ba.
Godiya ga Mr. Levinson don takardarsa kan tsare-tsaren samfurin C = 0. Tsarin samfurin samfurin da aka gabatar a cikin takardarsa ɗayan kayan aiki ne masu amfani. Ina so in ƙara cewa kwanan nan a ƙarƙashin AS9138 da ARP9013 an daidaita ma'anar ma'anar don Matsayin Ingantaccen Karɓa (AQL), Daidaitan Haɗarin (ari (ERP), Lalacewar Kashi na Lotari mai Kyau (LTPD), da Matsayi Ingantaccen jectari (RQL). A zahiri suna da maki mabanbanta a kan ƙirar halayyar aiki guda ɗaya wacce ke da damar karɓar 0.90-0.95, 0.50, 0.10, da 0.05 bi da bi. A lokacin yakin duniya na biyu, an yi watsi da mahangar mabukaci (LTPD) don fifikon ra'ayin mai samarwa (AQL) saboda, kamar yadda HR Bellinson ya bayyana; Ana siyan abubuwa iri daya 20,000,000 daga sama da masu samar da kayayyaki daban daban 50, kuma anyi tunanin samfurin samfurin ac = 0 rashin adalci ne ga kananan masu kawo kaya; ƙin yarda da samfuran su fiye da manyan kayan da ke samar da ingancin matakin daidai (ASA taron shekara-shekara na 105, Janairu 27th 1946.). Tabbas tsare-tsaren samfurin samfurin AQL na iya samun manyan samfuran girma fiye da shirye-shiryen c = 0 don "lanƙwasa" yanayin halayyar aiki a wurin AQL yana samar da babban yiwuwar karɓar, yayin da har yanzu yake riƙe da ma'anar LTPD ɗaya mai amfani. Ba daidai bane a ce shirin ac = 0 yana da AQL saboda bisa tsari, mahangar mahangarta shine mabukaci, ba mai samarwa ba. Wannan shine dalilin yiwuwar 0.542 na karɓa a cikin misalin Mr. Levinson tare da n = 15, c = 0 da yawa shine 4% wanda bai daidaita ba (4.0 AQL). Ba za mu iya tsara saitin daidaitattun samfuran c = 0 ba tare da haɗarin mai samarwa a hankali. Wannan shi ne babban abin da aka haifar da haihuwar AQL bisa tsarin samfoti.
Tare da mabukaci a cikin tunani - Tsarin samfoti wanda ke gano rashin daidaituwa mafi yawan lokuta, yana yin aikin da aka tsara shi don haka baya buƙatar tsaurara shi. Sai kawai lokacin da tattalin arzikin halin da ake ciki ya nuna cewa kudin neman 'yan rashin daidaito daga baya ya ninka kudin karin dubawa sannan za mu tsaurara bincike.
Akwai hanyoyin samfuran sifa da yawa kamar MIL-STD-105, MIL-STD-1916, APR9013, da AS9138 don ambata wasu kaɗan. Yawancinsu suna da ra'ayi na ra'ayi daban-daban kuma duk ya zama ɗan rikicewa, amma alhamdu lillahi akidar lissafi tana nan daram kuma tana bayyana cewa kawai launi ne "lipstick" daban a kan OC Curve.
2019 Ingantaccen Digest. Hakkin mallaka akan abun da ingancin Digest ko na marubuta suka mallaka. Tuntuɓi Ingantaccen Digest don sake buga bayanai. "Ingancin Digest" alamar kasuwanci ce ta Qualityungiyar Ta'addanci ta Cirungiya, Inc.
Lokacin aikawa: Oct-15-2019