【英文标准名称】:Millingcuttersforhighspeedmachining-Safetyrequirements
【原文标准名称】:高速切削机床用铣刀.安全要求
【标准号】:BSENISO15641-2001
【标准状态】:现行
【国别】:英国
【发布日期】:2001-09-24
【实施或试行日期】:2001-09-24
【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】:切削工具;铣刀;转速;速度;离心力;危害;机床;金属加工机械
【英文主题词】:Definition;Definitions;Hazards;Highspeed;Machinesworkingbystockremoval;Marking;Material-removalprocesses;Metalworking;Metalworkingmachines;Millingcutters;Milling(engineering);Millingmachines;Occupationalsafety;Peripheralspeed;Protectivemeasures;Safety;Safetydesign;Safetydevices;Safetyengineering;Safetymeasures;Safetyrequirements;Specification(approval);Tooltests;Typetesting;Userinformation;Workplacesafety
【摘要】:Thisstandarddealswiththeprinciplehazardsarisingfromuseofmillingcutters,e.g.millingcuttersaccordingtoISO3855,usedforhighspeedmachining(chipremovalmachiningatincreasedperipheralspeeds)onmetalworkingmachinetoolsandprescribessafetyrequirements.Itspecifiesdesignmethods,centrifugalforcetestprocedures,operationallimitsandtheprovisionofinformationthatwillleadtominimisationoreliminationofthesehazards.Thestandardisapplicabletomillingcutterswhichareintendedforoperationatspeedsinaccordancewithfigures1and2.Thesefiguresrespectivelydefinetherotationalspeedlimitsandperipheralspeedlimitsforspecificcutterdiameters.NOTEAdetailedexplanationisprovidedinannexB.
【中国标准分类号】:J41
【国际标准分类号】:25_100_20
【页数】:18P.;A4
【正文语种】:英语
【英文标准名称】:StandardPracticeforCompressionMoldingThermoplasticMaterialsintoTestSpecimens,Plaques,orSheets
【原文标准名称】:试样、板或薄板中热塑性材料压缩模塑的标准实施规程
【标准号】:ASTMD4703-2007
【标准状态】:现行
【国别】:
【发布日期】:2007
【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】:D20.09
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:压缩模塑材料;塑料;聚乙烯;制备;工艺;试件;试样;热塑性聚合物
【英文主题词】:acrylonitrile-butadiene-styrene(ABS);chlorinatedpoly(vinylchloride)(CPVC);compressionmolding;polyethylene(PE);poly(vinylchloride)(PVC);styrene-butadiene;testspecimenpreparation;thermoplastics
【摘要】:Themethodsbywhichsamplematerialsarepreparedandmoldedinfluencethemechanicalpropertiesofthespecimen.Unlikeinjectionmolding,theobjectiveofcompressionmoldingistoproducetestspecimensorsheetsthatarebothhomogeneousandisotropic.Moldedspecimensmaybemadefrompowderorpelletssuchasarereceiveddirectlyfromamaterialmanufacturer,particlesproducedinarecyclerecoveryoperation,orfromamilledpreformorsheetpreparedonatwo-rollmill.Thepowder,pellets,particles,preform,orsheetaremeltedandmoldedinamolddesignedtoproduceafinishedspecimenofagivengeometry,size,andthickness,ormeltedandmoldedintheformofasmoothplaqueorsheetofuniformthicknessfromwhichdesiredspecimensarecut,punched,ormachined.Workingacompoundonatwo-rollmillpriortomoldingwilldisperseanddistributethecompoundadditivesinamannerthatwillaffectthephysicalpropertiesofthecompound.Theneedformillingasamplepriortocompressionmoldingmaybedeterminedbyreferencetotherelevantmaterialspecificationorthematerialmanufacturer.Itisimportanttotreatdifferentsamplesofthesametypeofmaterialinthesameway:ifmillingwasdonepriortomoldingonamaterialwhichistobeusedasastandardforcomparison,allnewmaterialstobetestedagainstthispracticeshouldbepreparedandmoldedinasimilarmanner.Theapparatusandexactconditionsrequiredtoprepareadequatespecimensmayvaryforeachplasticmaterial.ApparatusandprocedureswhichshouldbesatisfactoryformoldingmanydifferentplasticmaterialsaregiveninthispracticeinSections5and6.TheapparatusandprocedureswhichhavebeenfoundsatisfactoryformoldingcertainspecificmaterialsaregivenintheAppendix.Inanycase,theapparatusandprocedurestobeusedinproducingcompression-moldedspecimensofagivenmaterialmaybeobtainedbyreferencetotherelevantmaterialspecificationandshouldbeagreeduponbetweenthepurchaserandthesupplier.1.1Thispracticecoversthecompressionmoldingofthermoplasticgranulesandmilledstockforthepreparationoftestspecimens.1.2Whileconditionsforcertainmaterialsaregiven,theprimarysourceofspecificconditionsshallbethematerialspecificationstandardsforeachtypeofmaterial.1.3ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninbracketsareforinformationonly.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Note1ThemainbodyofthispracticeisequivalenttoISO293-1986.andISO293-1986differinsomedetails;however,specimenspreparedusing,ProcedureAshouldbeequivalenttothosepreparedusingISO293-1986,CoolingMethodD.Specimenspreparedusing,ProcedureCshouldbeequivalenttothosepreparedusingISO293-1986,CoolingMethodB.However,duetothegreatercoolingratetolerancesoftheISOstandard,specimenspreparedinaccordancewithISOCoolingMethodBmaynotbeequivalentto,ProcedureC.
【中国标准分类号】:G33
【国际标准分类号】:
【页数】:12P.;A4
【正文语种】:
基本信息
标准名称: | 农林拖拉机和机械 车轮侧向负载疲劳试验方法 |
英文名称: | Tractors and machiney for agricultural and forestry—Test methods of wheels side load fatigue |
中标分类: |
车辆 >>
拖拉机 >>
行走系统 |
ICS分类: |
农业 >>
农业机械、工具和设备 >>
农业拖拉机和牵引车辆
|
替代情况: | 替代GB/T 14785-1993 |
发布部门: | 中华人民共和国国家质量监督检验检疫总局 中国国家标准化管理委员会 |
发布日期: | 2008-02-03 |
实施日期: | 2008-07-01 |
首发日期: | 1993-12-27 |
作废日期: | |
主管部门: | 中国机械工业联合会 |
提出单位: | 中国机械工业联合会 |
归口单位: | 全国拖拉机标准化技术委员会 |
起草单位: | 国家拖拉机质量监督检验中心 |
起草人: | 李京忠、沈炜、吴琦、陈振 |
出版社: | 中国标准出版社 |
出版日期: | 2008-07-01 |
页数: | 平装16开/页数:6/字数:6千字 |
计划单号: | 20065478-T-604 |
适用范围
本标准规定了农林拖拉机和机械车轮侧向负载疲劳试验方法。
前言
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目录
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引用标准
GB/T2979-1999 农业轮胎系列
所属分类: 车辆 拖拉机 行走系统 农业 农业机械 工具和设备 农业拖拉机和牵引车辆