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MIL-HDBK-142A (NOTICE 1)

作者:标准资料网 时间:2024-05-16 13:12:14  浏览:9197   来源:标准资料网
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MIL-HDBK-142A (NOTICE 1), MILITARY STANDARDIZATION HANDBOOK, GUIDED MISSILE TEST EQUIPMENT FUNCTIONAL CATEGORIZATION SYSTEM (27 APR 1970).
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【英文标准名称】:Industrialautomationsystemsandintegration-Productdatarepresentationandexchange-Part108:Integratedapplicationresource:Parameterizationandconstraintsforexplicitgeometricproductmodels
【原文标准名称】:工业自动化系统和集成.产品数据表示和交换.第108部分:集成应用资源:显示几何产品模件用参数化和约束条件
【标准号】:ISO10303-108-2005
【标准状态】:现行
【国别】:国际
【发布日期】:2005-02-01
【实施或试行日期】:
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/TC184
【标准类型】:()
【标准水平】:()
【中文主题词】:表示;自动化;计算机辅助设计;几何的;工业产品;产品数据;自动化系统;计算机应用;数据表示;信息交流;定义
【英文主题词】:automation;industrialproducts;datarepresentation;productdata;cad;geometric;automationsystems;definitions;definition;computerapplications;express;informationexchange
【摘要】:ThispartofISO10303specifiestheresourceconstructsfortherepresentationofmodelparametersandconstraints,togetherwiththemechanismsnecessaryforassociatingthemwithgeometricorotherelementsoftransferredmodels.Theuseofthesecapabilitiespotentiallyallowscertainaspectsofthebehaviourofamodelinitsoriginatingsystemtobeconveyedtogetherwiththebasicmodelitself.Theintentionintransferringthisadditionalinformationistoprovidethereceivingsystemwithdatathatwillenableittoreconstructcorrespondingbehaviouralcharacteristicsinthemodelfollowingthetransfer.Ideally,thiswillenablethemodeltobeeditedinthereceivingsystemjustasasthoughithadbeencreatedthere.Thatwouldnotbepossiblewithouttheexchangeofwhatisknownasdesignintentinformation.ThispartofISO10303enablesthecaptureandtransferofanimportantaspectofdesignintent.Clause4definesameansfortheassociationofmodelparameterswithindividualquantitiesinthemodel,toprovidefortheeditingofdimensionalvaluesandothervariableattributes.Clause5providesforthemodellingofconstraintrelationshipsintermsofmathematicalrelationshipsamongmodelparameters.Suchconstraintsarenotrestrictedtothemodellingofproductshape;theyaredesignedtobeapplicableinanysituationwhereitmaybeusefultocaptureandtransfermathematicallyspecifiedrelationships.Clause5alsodefinesaclassofdescriptive(non-mathematical)constraints.Clause6definesavariationalrepresentation,containingamodeltogetherwithalltheassociatedparametersandconstraintsthatpotentiallyfacilitateitseffectiveeditingfollowingatransfer.Clause7definesspecializedrepresentationsforasetofexplicitgeometricconstraintsapplicablespecificallytoelementsofshapemodelsoftheboundaryrepresentationandcloselyrelatedtypes.Thesearesubtypesofthedescriptiveconstraintsspecifiedinclause5.Finally,clause8providesrepresentationsfortwo-dimensionalsketches,whichformthebasisofmanyshapeconstructionmethodsinCADmodelling.Sketchesareanimportantapplicationareafortheparameterizationandconstraintinformationdefinedinearlierclauses.Thecapabilitiesprovidedinthisschemamayalsobeusedasabasisfortherepresentationofparameterizeddrawings.ThefollowingarewithinthescopeofthispartofISO10303:—Parameterizationofmodelsthroughtheassociationofvariableswithquantitiesoccurringinthem;—Constraintsdefiningmathematicalrelationshipsbetweenparameters;—Constraintsonmodelsexpressedasrelationshipsbetweentheirconstituentelementsorattributesofthoseelements;—Associationofparametersandconstraintswithmodelsattherepresentationlevel,tocreatevariationalmodelsofproducts,plans,processesororganizations;
【中国标准分类号】:N18
【国际标准分类号】:25_040_40
【页数】:168P.;A4
【正文语种】:英语


【英文标准名称】:Adhesives;180°peeltestforflexible-to-flexiblebondedassemblies(T-peeltest)
【原文标准名称】:粘合剂.挠性粘合组件的180°剥离试验(T-剥离试验)
【标准号】:ISO11339-1993
【标准状态】:作废
【国别】:国际
【发布日期】:1993-08
【实施或试行日期】:
【发布单位】:国际标准化组织(ISO)
【起草单位】:ISO/TC61
【标准类型】:()
【标准水平】:()
【中文主题词】:胶粘连接;试验条件;试样制备;胶粘剂;剥离试验;附着力试验;试验;塑料;金属
【英文主题词】:adhesive-bondedjoints;peelingtests;specimenpreparation;adhesiontests;testingconditions;metals;testing;plastics;tests;adhesives
【摘要】:
【中国标准分类号】:G39
【国际标准分类号】:83_180
【页数】:3P;A4
【正文语种】:英语



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