会员注册 | 登录 | 微信快捷登录 支付宝快捷登录 QQ登录 微博登录 | 帮助中心 人人文库renrendoc.com美如初恋!
站内搜索 百度文库

热门搜索: 直缝焊接机 矿井提升机 循环球式转向器图纸 机器人手爪发展史 管道机器人dwg 动平衡试验台设计

   首页 人人文库网 > 资源分类 > DOC文档下载

机械外文翻译--质量与检测.doc

  • 资源星级:
  • 资源大小:46.50KB   全文页数:7页
  • 资源格式: DOC        下载权限:注册会员/VIP会员
您还没有登陆,请先登录。登陆后即可下载此文档。
  合作网站登录: 微信快捷登录 支付宝快捷登录   QQ登录   微博登录
友情提示
2:本站资源不支持迅雷下载,请使用浏览器直接下载(不支持QQ浏览器)
3:本站资源下载后的文档和图纸-无水印,预览文档经过压缩,下载后原文更清晰   

机械外文翻译--质量与检测.doc

1本科毕业论文(设计)外文资料及其翻译学生姓名所在院系机电学院所学专业机电技术教育导师姓名完成时间QualityandInspection2AccordingtotheAmericanSocietyforQualityControlASQC,qualityisthetotalityoffeaturesandcharacteristicsofaproductorservicethatbearonitsabilitytosatisfygivenneeds.Thedefinitionimpliesthattheneedsofthecustomermustbeidentifiedfirstbecausesatisfactionofthoseneedsisthebottomlineofachievingquality.Customerneedsshouldthenbetransformedintoproductfeaturesandcharacteristicssothatadesignandtheproductspecificationscanbeprepared.Inadditiontoaproperunderstandingofthetermquality,itisimportanttounderstandthemeaningofthetermsqualitymanagement,qualityassurance,andqualitycontrol.Qualitymanagementisthataspectoftheoverallmanagementfunctionthatdeterminesandimplementsthequalitypolicy.Theresponsibilityforqualitymanagementbelongstoseniormanagement.Thisactivityincludesstrategicplanning,allocationofresources,andrelatedqualityprogramactivities.Qualityassuranceincludesalltheplannedorsystematicactionsnecessarytoprovideadequateconfidencethataproductorservicewillsatisfygivenneeds.Theseactionsareaimedatprovidingconfidencethatthequalitysystemisworkingproperlyandincludeevaluatingtheadequacyofthedesignsandspecificationsorauditingtheproductionoperationsforcapability.Internalqualityassuranceaimsatprovidingconfidencetothemanagementofacompany,whileexternalqualityassuranceprovidesassuranceofproductqualitytothosewhobuyfromthatcompany.Qualitycontrolcompaniestheoperationaltechniquesandactivitiesthatsustainaqualityofproductorservicesothattheproductwillsatisfygivenneeds.Thequalitycontrolfunctionisclosesttotheproductinthatvarioustechniquesofunsatisfactorysourcesofqualityperformance.Manyofthequalitysystemsofthepastweredesignedwiththeobjectiveofsortinggoodproductsfrombadproductsduringthevariousprocessingsteps.Thoseproductsjudgedtobebadhadtobereworkedtomeetspecifications.Iftheycouldnotbereworked,theywerescrapped.Thistypeofsystemisknownasadetectioncorrectionsystem.Withthissystem,problemswerenotfounduntiltheproductswereinspectedorwhentheywereusedbythecustomer.Becauseoftheinherentnatureofhumaninspectors,theeffectivenessofthesortingoperationswasoftenlessthan90.Qualitysystemsthatarepreventiveinnaturearebeingwidelyimplemented.Thesesystemspreventproblemsfromoccurringinthefistplacebyplacingemphasisonproperplanningandproblempreventioninallphasesoftheproductcycle.3Thefinalwordonhowwellaproductfulfillsneedsandexpectationsisgivenbythecustomersandusersofthatproductandisinfluencedbytheofferingofcompetitorsthatmayalsobeavailabletothosecustomersandusers.Itisimportanttorecognizethatfinalwordisformedovertheentirelifeoftheproduct,notjustwhenitwaspurchased.Beingawareofcustomersneedsandexpectationsisveryimportant,aswaspreviouslydiscussed.Inaddition,focusingtheattentionofallemployeesinanenterpriseonthecustomersandusersandtheirneedswillresultinamoreeffectivequalitysystem.Forexample,groupdiscussionsonproductdesignsandspecificationsshouldincludespecificdiscussionoftheneedstobesatisfied.Abasiccommitmentmanagementshouldbethatqualityimprovementmustberelentlesslypursued.Actionsshouldbeingrainedinthedaytodayworkingofthecompanythatrecognizethatqualityisamovingtargetintodaysmarketplacedrivenbyconstantlyrisingcustomerexpectations.Traditionaleffortsthatsetaqualitylevelperceivedtoberightforaproductanddirectalleffortstoonlymaintainthatlevelwillnotbesuccessfulinthelonghaul.Rather,managementmustorienttheorganizationsothatoncethesocalledrightqualitylevelforaproducthasbeenattainedimprovementeffortscontinuetoachieveprogressivelyhigherqualitylevels.Toachievethemosteffectiveimprovementefforts,managementshouldunderstandthatqualityandcostarecomplementaryandnotconflictingobjectives.Traditionally,recommendationsweremadetomanagementthatachoicehadtobemadebetweenqualityandcostthesocalledtradeoffdecisionbecausebetterqualityinevitablywouldsomehowcostmoreandmakeproductiondifficult.Experiencethroughouttheworldhasshownthatthisisnottrue.Goodqualityfundamentallyleadstogoodresourceutilizationandconsequentlymeansgoodproductivityandlowqualitycosts.Alsosignificantisthehighersalesandmarketpenetrationresultfromproductsthatareperceivedbycustomerstohavehighqualityandperformancereliabilityduringuse.Fourbasiccategoriesofqualitycostsaredescribedinthefollowing(1)Preventioncostsincurredinplanning,implementing,andmaintainingaqualitysystemthatwillensureconformancetoqualityrequirementateconomicallevels.Anexampleofpreventioncostistrainingintheuseofstatisticalprocesscontrol.(2)Appraisalcostsincurredindeterminingthedegreeofconformancetoqualityrequirements.Anexampleofappraisalcostisinspection.4(3)Internalfailurecostsarisingwhenproducts,components,andmaterialsfailtomeetqualityrequirementspriortotransferofownershiptothecustomer.Anexampleofinternalfailurecostisscrap.(4)Externalfailurecostsincurredwhenproductsfailtomeetqualityrequirementsaftertransferofownershiptothecustomer.Anexampleofexternalfailurecostiswarrantyclaims.Aproblemsolvingapproachshouldbefollowedinseekingqualityimprovement.Theresultsofanyimprovementeffortwillnotbepermanentunlesstherootcausesoftheproblemshavebeenfoundsoappropriateirreversiblecorrectiveactioncanbeimplemented.Therootcausecanbedefinedastherealcauseofaproblem.Thisisoftenquitedifferentfromtheapparentcause,whichappearsafterasuperficialinvestigation.Afrequentlyaskedquestionishowtoknownwhentherootcauseisfoundandwhentheinvestigatorisnotstillbeingdeceivedbytheapparentcause.Ameaningansweristhatiftherootcausehasbeenfound,theproblemisabletobeturnedonandoffbyaddingorremovingthecause.Oncetherootcausehasbeenfound,anirreversiblecorrectiveactionmustbeimplementedsothereisnoforeseeablesituationbywhichtherootcausecanreturnandsopermanentimprovementresults.Althoughthelevelofqualitycontrolisdeterminedinlargepartbyprobabilitytheoryandstatisticalcalculations,itisveryimportantthatthedatacollectionprocessesonwhichtheseproceduresdependbeappropriateandaccurate.Thebeststatisticalprocedureisworthlessiffedfaultydata,andlikemachiningprocesses,inspectiondatacollectionisitselfaprocesswithpracticallimitsofaccuracy,precision,resolution,andrepeatability.Allinspectionand/ormeasurementprocessescanbedefinedintermsoftheiraccuracyandrepeatability,justasamanufacturingprocessisevaluatedforaccuracyandrepeatability.Controlledexperimentscanbeperformed,andstatisticalmeasuresoftheresultscanbemadetodeterminetheperformanceofamethodofinspectionrelativetothepartstobeinspected.Suitabilityofoneoranothermethodcanbejudgedonthebasisofstandarddeviationsandconfidencelevelsthatapplytoeachapproachasusedinagiveninspectionsituation.质量与检测

注意事项

本文(机械外文翻译--质量与检测.doc)为本站会员(淘宝运营)主动上传,人人文库网仅提供信息存储空间,仅对用户上传内容的表现方式做保护处理,对上载内容本身不做任何修改或编辑。 若此文所含内容侵犯了您的版权或隐私,请立即通知人人文库网([email protected]),我们立即给予删除!

温馨提示:如果因为网速或其他原因下载失败请重新下载,重复下载不扣分。

copyright@ 2015-2017 人人文库网网站版权所有
苏ICP备12009002号-5