ASME SEC III D1 MA APP XIX-2001 附录XIX.带大型开口的整体平盖

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【英文标准名称】:StandardPracticeforCalculatingFormulationPhysicalConstantsofPaintsandCoatings
【原文标准名称】:颜料和涂料的物理常数计算方程式的标准使用方法
【标准号】:ASTMD5201-2005a
【标准状态】:现行
【国别】:
【发布日期】:2005
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:D01.24
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:涂料;计算方法;物理性能;挥发性氧化物;覆层材料;密度
【英文主题词】:density;formulation;HAP;hazardousairpollutant;physicalconstants;solidscontent;VOC;volatileorganiccompound
【摘要】:Physicalconstantsofpaintsandcoatingsarerequiredinallaspectsoftheirformulation,manufactureanduse.Thispracticedemonstratesstandardmethodsagreeduponforcalculatingformulationvaluesforsomeofthesephysicalconstants.Thecalculationsarethesameforeithermetricorinch/poundunits.Theseformulavaluesmaynotbeusedtoreplacemeasuredvaluesrequiredbygovernmentregulationsunlessspecificallystatedinthegoverningdocuments.Someregulationsallowcompliancedeterminationusingformulationdatainsteadofanalyticaldata.Thisformulationdatamaynotyieldthesameresultsastherequiredanalyticalmethod,whichcouldbeperformedonasamplefromanyproductionbatchofthecoating.Inthesecases,theusermaywishtocompareformulationdatatoanalyticaldataanddevelopafactorthatadjustsforvariabilityofrawmaterials,variabilityofproductionbatches,curevolatiles,andvariabilityoftheanalyticalmethods.1.1Thispracticecoversprocedurescommonlyusedinthepaintindustrytoformulatepaintsandcoatingmaterials.Itdescribesproceduresforcalculatingformulationvaluesforweightsolids,volumesolids,solventcontent,volatileorganiccompound(VOC)content,hazardousairpollutant(HAP)content,anddensityofliquidpaintsandcoatings.Thesevaluesarecalculatedfrombasicformulationdata.Thesecalculationsmayberelatedtoeitheras-supplied(unreduced)oras-applied(reduced)coatingmaterials,includingmulticomponenttypes.1.2Thesecalculated,formulation-basedvaluesmayormaynotbeacceptableforVOCregulatorypurposes,dependingonthespecificwordingoftheapplicableregulation.Someregulationsrequireanalysisofthecoating.Somerulesallowtheuseofformulationdata,however,someadjustmentsmaybeneededtothevaluescalculatedinthispracticebeforetheyareusedforregulatorypurposes(see).1.3Forpurposesofthispractice,itisassumedthatvolatilecomponentsevaporateandthematerialsthatremainareidentifiedascoatingsolids.Forexample,solventsarenormallyusedtoadjustviscosityforapplicationandappearanceofthecoating.Otherliquidmaterials,suchasplasticizers,reactivediluents,etc.,thatareexpectedtoberetainedinthedriedfilmtoaffectthefinalphysicalpropertiesshouldbeclassifiedaspartofthecoatingsolids.StandardssuchasTestMethodsD2369,D4758,D5403andGuideD2832maybeusedtodeterminevolatileornonvolatilecontentofspecificcomponents.Forpurposesofthispracticeitisassumedthattheblendedformulationbehavesasanidealsolutionwithnovolumechangeonmixing(see).1.4Volatileby-productsofcross-linkingreactions(curevolatiles)arenotconsideredinthesecalculationssincetheobjectofthispracticeistodefinepaintphysicalconstantsbasedonformulationinformation.Variationsinrawmaterials,variationsintheproductionprocesses,testmethods,andtestmethodaccuracyarenottakenintoaccountinthesecalculations.1.5ThevaluesshowninthismethodarestatedinEnglishinch-poundunitsascommonlyusedintheUnitedStates.However,theymaybereadilyconvertedintoSIunits,ifrequiredbytheuser(forexample,seeNote0).1.6Thevaluesstatedininch-poundunitsaretoberegardedasthestandardforthisspecificpractice.Thevaluesgiveninparenthesesareforinformationonly.
【中国标准分类号】:G51
【国际标准分类号】:87_040
【页数】:6P.;A4
【正文语种】:

标准名称：	手扶拖拉机动力输出轴
中标分类：	车辆 >> 拖拉机 >> 动力输出轴、牵引装置
替代情况：	被JB/T 7278-2007替代
发布部门：	洛阳拖拉机研究所
发布日期：	1994-07-18
实施日期：	1995-07-01
首发日期：	1900-01-01
作废日期：	2007-09-01
归口单位：	洛阳拖拉机研究所
出版社：	机械工业出版社
出版日期：	1900-01-01
页数：	5 页
批文号：	机械科[1994]600号

本标准规定了手扶拖拉机动力输出轴的转速、旋向、型式、尺寸与传递功率。 本标准适用于2.5kW以上手扶拖拉机横向配置的动力输出轴。

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