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DZ 5-1981 地质机械产品铜铸件通用技术条件

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基本信息
标准名称:地质机械产品铜铸件通用技术条件
中标分类: 机械 >> 加工工艺 >> 铸造
发布日期:
实施日期:1992-11-19
首发日期:
作废日期:
出版日期:
页数:5页
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所属分类: 机械 加工工艺 铸造
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【英文标准名称】:Spaceengineering-Verification
【原文标准名称】:航天工程.检定
【标准号】:BSEN14725-2003
【标准状态】:现行
【国别】:英国
【发布日期】:2003-12-22
【实施或试行日期】:2003-12-22
【发布单位】:英国标准学会(BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:ThisEuropeanStandardestablishestherequirementsfortheverificationofaspacesystemproduct.Itspecifiesthefundamentalconceptsoftheverificationprocess,thecriteriafordefiningtheverificationstrategyandtherulesfortheimplementationoftheverificationprogramme.ItincludesalsoinannexesAandBthedescriptionoftherequireddocumentation(i.e.DRDs)andsomeguidelinesonspecificaspectsoftheverificationprocesssuchasthemodelphilosophydefinition.ThisEuropeanStandardisintendedtoapplytodifferentproductsatdifferentlevels(i.e.fromasingleequipmenttotheoverallsystem).Itisapplicabletoboththecustomerandthesupplieroftheproductduringallprojectphases.Theapplicationoftheserequirementstoaparticularprojectisintendedtoresultinaneffectiveproductverificationandconsequentlytoahighconfidenceinachievingsuccessfulproductoperationsfortheintendeduse.InpreparingthisEuropeanStandardthefollowinggoalshavebeenconsideredtofacilitateitsapplication,effectiveuseandtailoring:—definitionofanenvelopeofthesetsofminimumverificationrequirementsapplicabletothedifferentproducts,sothattailoringisaselection(inreduction)process;—clearidentificationofmandatoryrequirements,tailorablerequirementsandrecommendationsbymeansoftheappropriateuseof"shall","should"and"may"respectively;—textdefiningrequirementsshouldbeself-standingtothegreatestpossibleextent,toallowdirecttailoring.Whenviewedfromtheperspectiveofaspecificprojectcontext,therequirementsdefinedinthisstandardshouldbetailoredtomatchthegenuinerequirementsofaparticularprofileandcircumstancesofaprojectandwithreferencetoannexB.2.NOTETailoringisaprocessbywhichindividualrequirementsofspecifications,standardsandrelateddocumentsareevaluated,andmadeapplicabletoaspecificprojectbyselection,andinsomeexceptionalcases,modificationofexistingoradditionofnewrequirements.
【中国标准分类号】:V04
【国际标准分类号】:49_140
【页数】:152P;A4
【正文语种】:英语