NF C75-303/A1-2005 手持式电动工具的安全.第2-3部分:研磨机、盘式砂轮机和抛光机的特殊要求
时间:2024-05-13 23:08:09 来源: 标准资料网 作者：标准资料网 阅读：8812
【英文标准名称】:Safetyofhand-heldelectricmotoroperatedtools-Part2-3:particularrequirementsforgrinders,disktypesandersandpolishers.
【原文标准名称】:手持式电动工具的安全.第2-3部分:研磨机、盘式砂轮机和抛光机的特殊要求
【标准号】:NFC75-303/A1-2005
【标准状态】:现行
【国别】:法国
【发布日期】:2005-01-01
【实施或试行日期】:2005-01-05
【发布单位】:法国标准化协会(FR-AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:砂轮机;研磨机;电动的;研磨片;抛光机;磨床;电气器具;安全;尺寸;电动工具;普通控制系统;规范(验收);多语种的;电气工程;定义;安全要求
【英文主题词】:Abrasivesheets;Definition;Definitions;Dimensions;Electricappliances;Electrictools;Electricalengineering;Grinders;Grindingmachines;Motor-operated;Multilingual;Pedestrian-controlledsystems;Polishingmachines;Safety;Safetyrequirements;Sanders;Specification(approval)
【摘要】:
【中国标准分类号】:K64
【国际标准分类号】:25_140_20
【页数】:6P.;A4
【正文语种】:其他
【英文标准名称】:StandardPracticeforEvaluatingPrecisionforTestMethodStandardsintheRubberandCarbonBlackManufacturingIndustries
【原文标准名称】:评定橡胶和炭黑制造工业试验方法标准的精度的标准实施规程
【标准号】:ASTMD4483a-2005
【标准状态】:现行
【国别】:美国
【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(ASTM)
【起草单位】:ASTM
【标准类型】:()
【标准水平】:()
【中文主题词】:测定;精密度;工艺;橡胶;标准;试验;硫化橡胶
【英文主题词】:Determination;Precision;Processes;Rubber;Standards;Testing;Vulcanizedrubber
【摘要】:
【中国标准分类号】:G49
【国际标准分类号】:83_060
【页数】:60P;A4
【正文语种】:英语
【英文标准名称】:StandardTestMethodforAbrasionResistanceofTextileFabrics(OscillatoryCylinderMethod)
【原文标准名称】:纺织纤维耐磨性的标准试验方法(摆辊式耐磨试验法)
【标准号】:ASTMD4157-2010
【标准状态】:现行
【国别】:美国
【发布日期】:2010
【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】:D13.60
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:abrasion;wovenfabric;Abrasionresistance--textilefabrics/fibers;Oscillatorycylindermethod;Textilefabricanalysis
【摘要】:Themeasurementoftheresistancetoabrasionoftextileandothermaterialsisverycomplex.Theresistancetoabrasionisaffectedbymanyfactors,suchastheinherentmechanicalpropertiesofthefibers;thedimensionsofthefibers;thestructureoftheyarns;theconstructionofthefabrics;andthetype,kind,andamountoffinishingmaterialaddedtothefibers,yarns,orfabric.Theresistancetoabrasionisalsogreatlyaffectedbytheconditionsofthetests,suchasthenatureofabradant;variableactionoftheabradantovertheareaofspecimenabraded,thetensionofthespecimen,thepressurebetweenthespecimenandabradant,andthedimensionalchangesinthespecimen.Abrasiontestsareallsubjecttovariationduetochangesintheabradantduringspecifictests.Theabradantmustaccordinglybechangedatfrequentintervalsorcheckedperiodicallyagainstastandard.Withdisposableabradants,theabradantisusedonlyonceorchangedafterlimiteduse.Withpermanentabradantsthatusehardenedmetalorequivalentsurfaces,itisassumedthattheabradantwillnotchangeappreciablyinaspecificseriesoftests,butobviouslysimilarabradantsusedindifferentlaboratorieswillnotlikelychangeatthesamerateduetodifferencesinusage.Permanentabradantsmayalsochangeduetopickupoffinishingorothermaterialfromtestfabricsandmustaccordinglybecleanedatfrequentintervals.Themeasurementoftherelativeamountofabrasionmayalsobeaffectedbythemethodofevaluationandmaybeinfluencedbythejudgmentoftheoperator.Theresistanceoftextilematerialstoabrasionasmeasuredonatestingmachineinthelaboratoryisgenerallyonlyoneofseveralfactorscontributingtowearperformanceordurabilityasexperiencedintheactualuseofthematerial.Whilex201C;abrasionresistancex201D;(oftenstatedintermsofthenumberofcyclesonaspecifiedmachine,usingaspecifiedtechniquetoproduceaspecifieddegreeoramountofabrasion)andx201C;durabilityx201D;(definedastheabilitytowithstanddeteriorationorwearingoutinuse,includingtheeffectsofabrasion)arefrequentlyrelated,therelationshipvarieswithdifferentenduses,anddifferentfactorsmaybenecessaryinanycalculationofpredicteddurabilityfromspecificabrasiondata.Laboratorytestsmaybereliableasanindicationofrelativeend-useperformanceincaseswherethedifferenceinabrasionresistanceofvariousmaterialsislarge,buttheyshouldnotberelieduponwheredifferencesinlaboratorytestfindingsaresmall.Ingeneral,theyshouldnotberelieduponforpredictionofactualwear-lifeinspecificendusesunlesstherearedatashowingthespecificrelationshipbetweenlaboratoryabrasiontestsandactualwearintheintendedend-use.Thesegeneralobservationsapplytoalltypesoffabrics,includingwoven,nonwoven,andknitapparelfabrics,householdfabrics,industrialfabrics,andfloorcoverings.Itisnotsurprising,therefore,tofindthattherearemanydifferenttypesofabrasiontestingmachines,abradants,testingconditions,testingprocedures,methodsofevaluationofabrasionresistance,andinterpretationofresults.Allthetestmethodsandinstrumentssofardevelopedforabrasionresistancemayshowahighdegreeofvariabilityinresultsobtainedbydifferentoperatorsandindifferentlaboratories;however,theyrepresentthemethodsnowmostwidelyinuse.Thistestmethodprovidesacomparativemeasurementoftheresistanceofwoventextilefabricstoabrasion,andmaynotnecessarilypredicttheactyalperformanceoffabricsinactualuse.Iftherearedifferencesofpracticalsignificancebetweenreportedtestresultsfortwoormorelaboratories,comparativetes..........
【中国标准分类号】:W55
【国际标准分类号】:59_080_30
【页数】:6P.;A4
【正文语种】:英语