ISO 21538-2004 超磨料切割砂轮用坯件.安装和固定孔.建筑施工和土木工程
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【英文标准名称】:Blanksforsuperabrasivecutting-offwheels-Mountingandfixingbores-Buildingconstructionandcivilengineering
【原文标准名称】:超磨料切割砂轮用坯件.安装和固定孔.建筑施工和土木工程
【标准号】:ISO21538-2004
【标准状态】:现行
【国别】:国际
【发布日期】:2004-10
【实施或试行日期】:
【发布单位】:国际标准化组织(ISO)
【起草单位】:ISO/TC29
【标准类型】:()
【标准水平】:()
【中文主题词】:夹具;砂轮;安装孔;尺寸;氮化硼;定位孔;固定件;夹紧法兰;切断砂轮;磨削工具;磨床;坯件;设计;磨料切割;金刚石刀具;切割砂轮;应用;材料;土木工程;井;建筑物;金刚石;法兰;机械工程;刀具夹持装置
【英文主题词】:
【摘要】:ThisInternationalStandardspecifiesdimensionsformountingandfixingboresinblanks.ThesemountingandfixingborescomplywiththerelevantdimensionsoftheclampingflangesspecifiedinISO21537-2.
【中国标准分类号】:J43
【国际标准分类号】:25_100_70
【页数】:5P;A4
【正文语种】:英语
【英文标准名称】:Plastics-Determinationoftemperatureofdeflectionunderload-Generaltestmethod
【原文标准名称】:塑料.载荷下挠曲温度的测定.一般试验方法
【标准号】:BSENISO75-1-2004
【标准状态】:现行
【国别】:英国
【发布日期】:2004-05-28
【实施或试行日期】:2004-05-28
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:温度测量;弯曲试验;试验设备;试验;尺寸稳定性;叠层板材;抗弯应力;热稳定性;试验条件;材料试验;塑料;测定;三点荷载;试样;定义;温度
【英文主题词】:Bendtesting;Bendingstress;Definition;Definitions;Determination;Dimensionalstability;Laminates;Materialstesting;Plastics;Temperature;Temperaturemeasurement;Testequipment;Testspecimens;Testing;Testingconditions;Thermalstability;Three-pointloading
【摘要】:1.1ISO75specifiesmethodsforthedeterminationofthetemperatureofdeflectionunderload(flexuralstressunderthree-pointloading)ofplastics.Differenttypesoftestspecimenanddifferentconstantloadsaredefinedtosuitdifferenttypesofmaterial.1.2ThispartofISO75givesageneraltestmethod,part2givesspecificrequirementsforplastics(includingfilledplasticsandfibre-reinforcedplasticsinwhichthefibrelength,priortoprocessing,isupto7,5mm)andebonitewhilepart3givesspecificrequirementsforhigh-strengththermosettinglaminatesandlong-fibre-reinforcedplasticsinwhichthefibrelengthisgreaterthan7,5mm.1.3Themethodsspecifiedaresuitableforassessingtherelativebehaviourofdifferenttypesofmaterialatelevatedtemperatureunderloadataspecifiedrateoftemperatureincrease.Theresultsobtaineddonotnecessarilyrepresentmaximumapplicabletemperatures,becauseinpracticeessentialfactorssuchastime,loadingconditionsandnominalsurfacestressmaydifferfromthetestconditions.Truecomparabilityofdatacanonlybeachievedformaterialshavingthesameroom-temperatureflexuralmodulus.1.4Themethodsspecifypreferreddimensionsforthetestspecimens.Testswhicharecarriedoutonspecimensofdifferentdimensions,oronspecimenswhicharepreparedunderdifferentconditions,mayproducedifferentresults.Consequently,whenrepeatabledataarerequired,samplepreparationconditionsandtestvariablesshouldbecarefullycontrolledandrecorded.1.5Dataobtainedusingthetestmethodsdescribedmaynotbeusedtopredictactualend-useperformance.Thedataarenotintendedfordesignanalysisorpredictingtheenduranceofmaterialsatelevatedtemperatures.1.6Forpart2,twotestspecimenpositionsareallowed.However,theflatwisepositionisthepreferredandrecommendedone,whiletestingintheedgewisepositionisdescribedasoptionalonly.Itisintendedtoremovethisspecimenpositionaltogetheronoccasionofthenextrevisionofthisstandard.Part3onlyallowsflatwisetesting.1.7ThismethodiscommonlyknownastheHDTtest(heatdeflectiontestorheatdistortiontest),althoughthereisnoofficialdocumentusingthisdesignation.
【中国标准分类号】:G31
【国际标准分类号】:83_080_01
【页数】:22P;A4
【正文语种】:英语
【英文标准名称】:BrickChiselsandBrickSets:SafetyRequirements
【原文标准名称】:砖凿和砖安装:安全要求
【标准号】:ASMEB107.50M-1998
【标准状态】:作废
【国别】:美国
【发布日期】:1998
【实施或试行日期】:
【发布单位】:美国机械工程师协会(US-ASME)
【起草单位】:ASME
【标准类型】:()
【标准水平】:()
【中文主题词】:安全要求;凿子;砖;安装
【英文主题词】:Bricks;Chisels;Safetyrequirements
【摘要】:ThisStandardprovidessafetyrequirementsforthedesign,construction,testing,anduseofbrickchiselsandbricksetsthatareintendedspecificallyforuseinscoringandcuttingbrickandmasonryblock.ThisStandardalsoservesasaguideinselecting,testing,andusingthehandtoolscoveredandasaguideindevelopingmanualsandpostersandfortrainingpersonnelinsafepractices.Detailsofdesign,testing,andtheuseoftoolscoveredarespecifiedonlyastheyrelatetosafety.ItisnotthepurposeofthisStandardtospecifythedetailsofmanufacturing.
【中国标准分类号】:J47
【国际标准分类号】:25_140_30
【页数】:16P.;A4
【正文语种】:英语
