JB/T 3946-1999 凸焊机电极平板槽子
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来源:标准资料网
基本信息
标准名称: | 凸焊机电极平板槽子 |
英文名称: | Slots in platens for projection welding machines |
中标分类: |
机械 >>
通用加工机械与设备 >>
焊接与切割设备 |
替代情况: | JB 3946-1985 |
发布部门: | 国家机械工业局 |
发布日期: | 1999-08-06 |
实施日期: | 2000-01-01 |
首发日期: | 1900-01-01 |
作废日期: | 1900-01-01 |
提出单位: | 全国电焊机标准化技术委员会 |
归口单位: | 全国电焊机标准化技术委员会 |
起草单位: | 上海电焊机厂 |
起草人: | 许士妙、袁传浩 |
出版社: | 机械工业出版社 |
出版日期: | 2000-01-01 |
页数: | 3 页 |
适用范围
本标准规定了凸焊机电极平板上T形槽的尺寸、间距、槽数和位置等要求。
本标准适用于一般使用条件下的凸焊机电极平板T形槽子(以下简称T形槽)。
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 通用加工机械与设备 焊接与切割设备
【英文标准名称】:StandardTestMethodforDiameterofWoolandOtherAnimalFibersbyMicroprojection
【原文标准名称】:显微投影法测定羊毛和其它动物纤维直径的标准试验方法
【标准号】:ASTMD2130-1990(2008)
【标准状态】:现行
【国别】:美国
【发布日期】:1990
【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】:D13.13
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:animalfibers(exceptwool);diameter;wool;Animalfibers;Diameter--textilefabrics/fibers;Man-madetextilefibers;Microprojection;Woolandwooltop--fiberdiameter
【摘要】:ThistestmethodspecifiesasamplingandtestingprocedureforthemeasurementofaveragefiberdiameterandvariationindiameterofanimalfibersasrequiredinTestMethodD2968.TestMethodD2130fortestingwoolandotheranimalfibersforaveragefiberdiameterisconsideredsatisfactoryforacceptancetestingofcommercialshipmentssincecurrentestimatesofbetween-laboratoryprecisionareacceptableandthemethodhasbeenusedextensivelyinthetradeforacceptancetesting.Incasesofdisagreementarisingfromdifferencesinvaluesreportedbythepurchaserandthesellerwhenusingthismethodforacceptancetesting,thestatisticalbias,ifany,betweenthelaboratoryofthepurchaserandthelaboratoryofthesellershouldbedeterminedwitheachcomparisonbeingbasedonthetestingofspecimensrandomlydrawnfromonesampleofmaterialofthetypebeingevaluated.1.1Thistestmethodcoversaprocedure,usingthemicroprojector,forthedeterminationoftheaveragefiberdiameterandthefiberdiametervariationonwoolandotheranimalfibers,suchasmohair,cashmere,alpaca,camel''shair,etc.(Note1)intheirvariousforms.1.2Thevaluesstatedininch-poundunitsaretoberegardedasthestandard.Themetricequivalentsofinch-poundunitsmaybeapproximate.Note18212;Thistestmethodmayalsobeappliedtoanyfibershavingaroundcrosssectionandaccordinglymaybeusedmanytimesformelt-spunman-madefiberssuchaspolyamides,polyesters,andglass;alsoitmaybeappliedtoalimitednumberofpolyacrylicsandregeneratedcellulosetypefibers.ThevaluesgiveninAppendixX1fordensityandcorrectionfactors,however,applyonlytowoolandshouldnotbeusedforotherfibers.Forsuitablevaluesforthedensityofotherfibers,seeTable5inTestMethodsD629,QuantitativeAnalysisofTextiles.Note28212;Insubsequentsectionsofthistestmethod,thetermx201C;woolx201D;alsosignifiesmohairorotherfibersifthecircumstancesareapplicable.Note38212;Forfinenessspecificationsforwool,wooltop,mohair,mohairtop,alpaca,andcashmere,refertoSpecificationsD3991andD3992,SpecificationD2252,TestMethodD2816.1.3Thisstandarddoesnotpurporttoaddressthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:W20
【国际标准分类号】:59_060_10
【页数】:11P.;A4
【正文语种】:英语
【英文标准名称】:Agriculturalmachinery-Safety-Part1:Generalrequirements
【原文标准名称】:农业机械.安全.第1部分:一般要求
【标准号】:ISO4254-1-2005
【标准状态】:作废
【国别】:国际
【发布日期】:2005-08
【实施或试行日期】:
【发布单位】:国际标准化组织(ISO)
【起草单位】:ISO/TC23
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:ThispartofISO4254specifiesthegeneralsafetyrequirementsandtheirverificationforthedesignandconstructionofself-propelledride-onmachinesandmounted,semi-mountedortrailedmachinesusedinagriculture.Inaddition,itspecifiesthetypeofinformationonsafeworkingpractices(includingresidualrisks)tobeprovidedbythemanufacturer.ThispartofISO4254dealswithsignificanthazards(aslistedinAnnexA),hazardoussituationsandeventsrelevanttothisagriculturalmachineryusedasintendedandundertheconditionsforeseenbythemanufacturer(seeClause4).ForcompliancewithEuropeanDirectives,AnnexCisadditionallyapplicable.ThispartofISO4254isnotapplicableto—tractors,—aircraft,—air-cushionvehicles,or—lawnandgardenequipment.ThispartofISO4254isnotapplicabletoenvironmentalhazards,roadsafety,electromagneticcompatibility,vibrationorpowertake-off(PTO)andPTOdriveshaftguardingbetweenself-propelledmachines/tractorsandthefirstbearingofrecipientmachinery.Itisnotapplicabletohazardsrelatedtomaintenanceorrepairstobecarriedoutbyprofessionalservicepersonnel.NOTEISO14982specifiestestmethodsandacceptancecriteriaforevaluatingtheelectromagneticcompatibilityofallkindsofmobileagriculturalmachinery.ThispartofISO4254isnotapplicabletomachineswhicharemanufacturedbeforethedateofitspublication.AllofthehazardsdealtwithbythispartofISO4254willnotnecessarilybepresentonaparticularmachine.ForanymachinecoveredbythispartofISO4254,theprovisionsofthepartofISO4254directlyapplicabletothattypeofmachine,ifavailable,takeprecedenceovertheprovisionsofthispartofISO4254.
【中国标准分类号】:B90
【国际标准分类号】:65_060_01
【页数】:33P;A4
【正文语种】:英语