QB/T 2350-1997 管子割刀
时间:2024-05-19 18:25:48 来源: 标准资料网 作者：标准资料网 阅读：8066
基本信息
| 标准名称： | 管子割刀 |
| 中标分类： |
机械 >>
工艺装备 >>
手工工具 |
| 发布部门： | 中国轻工总会 |
| 发布日期： | 1998-01-16 |
| 实施日期： | 1998-09-01 |
| 首发日期： | 1900-01-01 |
| 作废日期： | 1900-01-01 |
| 提出单位： | 中国轻工总会质t标准部 |
| 归口单位： | 全国工具五金标准化中心 |
| 起草单位： | 上海市工具工业研究所、上海前进机械厂 |
| 起草人： | 程永丰、许海文 |
| 出版社： | 中国轻工业出版社 |
| 出版日期： | 1998-09-01 |
| 页数： | 7页 |
适用范围
本标准规定了管子割刀(以下简称“割刀”)的产品分类、技术要求、试验方法、检验规则、包装、标志、运输与贮存。
前言
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目录
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引用标准
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所属分类： 机械 工艺装备 手工工具
【英文标准名称】:StandardTestMethodforPillingResistanceandOtherRelatedSurfaceChangesofTextileFabrics:RandomTumblePillingTester
【原文标准名称】:纺织纤维的抗起球性和其他相关表面变化的标准试验方法:翻滚式起球试验仪
【标准号】:ASTMD3512/D3512M-2010e1
【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】:fabric;fuzz;pills;Pillingresistance;Randomtumblepillingtester;Surfaceanalysis--textilefabrics/fibers;Textilefabrics(general)
【摘要】:AcceptanceTesting8212;Thismethodoftestingfabricsforresistancetopillingisnotrecommendedforacceptancetesting.Ifitisusedforacceptancetesting,itshouldbeusedwithcautionbecausethebetween-laboratoryprecisionispoor.Insomecasesthepurchaserandthesuppliermayhavetotestacommercialshipmentofoneormorespecificmaterialsbythebestavailabletestmethod,eventhoughthetestmethodisnotrecommendedforacceptancetesting.Iftherearedifferencesorpracticalsignificancebetweenreportedtestresultsfortwolaboratories(ormore),comparativetestsshouldbeperformedtodetermineifthereisastatisticalbiasbetweenthem,usingcompetentstatisticalassistance.Asaminimum,thetestsamplesshouldbeusedthatareashomogeneousaspossible,drawnfromthematerialfromwhichthedisparatetestresultswereobtained,andrandomlyassignedinequalnumberstoeachlaboratoryfortesting.Othermaterialswithestablishedtestvaluesmaybeusedforthispurpose.Thetestresultsfromthetwolaboratoriesshouldbecomparedusingastatisticaltestforunpaireddata,ataprobabilitylevelchosenpriortothetestingseries.Ifabiasisfound,eitheritscausemustbefoundandcorrected,orfuturetestresultsmustbeadjustedinconsiderationoftheknownbias.Thepillingoftextilefabricsisaverycomplexpropertybecauseitisaffectedbymanyfactorswhichmayincludetypeoffiberorblends,fiberdimensions,yarnandfabricconstruction,fabricfinishingtreatmentsandrefurbishingmethod.Testingbeforerefurbishingmaybeadviseable.Thepillingresistanceofaspecificfabricinactualwearvariesmorewithgeneralconditionsofuseandindividualwearersthaninreplicatefabricspecimenssubjectedtocontrolledlaboratorytests.Thisexperienceshouldbeborneinmindwhenadoptinglevelsofacceptabilityforanyseriesofstandards.Pillsvaryappreciablyinsizeandappearanceanddependonthepresenceoflintanddegreeofcolorcontrast.Thesefactorsarenotevaluatedwhenpillingisratedsolelyonthenumberofpills.Thedevelopmentofpillsmaybeaccompaniedbyothersurfacephenomenasuchaslossofcover,colorchange,orthedevelopmentoffuzz.Sincetheoverallacceptabilityofaspecificfabricisdependentonboththecharacteristicsofthepillsandtheotherfactorsaffectingsurfaceappearance,itissuggestedthatfabricstestedinthelaboratorybeevaluatedsubjectivelywithregardtotheiracceptabilityandnotratedsolelyonthenumberofpillsdeveloped.Aseriesofstandards,basedongraduateddegreesofsurfacechangeofthefabrictypebeingtested,maybesetuptoprovideabasisforsubjectiveratings.Thevisualstandardsaremostadvantageouswhenthelaboratorytestspecimenscorrelatecloselyinappearancewithwornfabricsandshowasimilarratioofpillstofuzz.Countingthepillsandweighingtheirnumberwithrespecttotheirsizeandcontrast,asacombinedmeasureofpillingresistance,isnotrecommendedbecauseoftheexcessivetimerequiredforcounting,sizing,andcalculating.Thedegreeoffabricpillingisevaluatedbycomparingthetestedspecimenswithvisualstandards,whichmaybeactualfabricsorphotographsoffabrics,showingarangeofpillingresistance.Theobservedresistancetopillingisreportedonanarbitraryscalerangingfrom5(nopilling)to1(veryseverepilling).Thistestmethodisapplicabletoawidevarietyofwovenandknittedfabricsthatvaryinpillingpropensityasaresultofvariationsinfiber,yarnandfabricstructure,andfinish.1.1Thistestmethodcoverstheresistancetotheformationofpillsandotherrelatedsurfacechangesontextilefabricsusingtherandomtumblepillingtester.Theprocedureisgenerallyapplicable......
【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
【英文标准名称】:Connectors-Safetyrequirementsandtests(IEC61984:2001);GermanversionEN61984:2001
【原文标准名称】:连接器.安全要求和试验(IEC61984:2001);德文版本EN61984:2001
【标准号】:EN61984-2001
【标准状态】:现行
【国别】:
【发布日期】:2002-09
【实施或试行日期】:2002-09-01
【发布单位】:欧洲标准学会(EN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:电连接器;电缆接头;检验;单极;试验程序;多极;无钎焊连接;尺寸;分类;防电击;安全;控制图;电气工程;接地接点;低电压;电插头;额定值;规范(验收);安全要求;接地导线;连接;插头和插座连接;定义;电气安全;工业;电力装置;尺寸选定;参数;工业设施;试验
【英文主题词】:Cablessplices;Classification;Connections;Controlcharts;Definition;Definitions;Dimensioning;Dimensions;Earthconductors;Earthingcontacts;Electricconnectors;Electricplugs;Electricalengineering;Electricalsafety;Industrialfacilities;Industries;Inspection;Lowvoltage;Parameters;Plug-and-socketconnection;Polypole;Powerinstallations;Protectionagainstelectricshocks;Ratings;Safety;Safetyrequirements;Single-pole;Solderlessconnections;Specification(approval);Testprograms;Testing
【摘要】:
【中国标准分类号】:L23
【国际标准分类号】:31_220_10
【页数】:45P.;A4
【正文语种】:英语