BS ISO 3408-4-2006 滚珠丝杠.静态轴向刚性
时间:2024-05-16 04:52:30 来源: 标准资料网 作者：标准资料网 阅读：8297
【英文标准名称】:Ballscrews-Staticaxialrigidity
【原文标准名称】:滚珠丝杠.静态轴向刚性
【标准号】:BSISO3408-4-2006
【标准状态】:现行
【国别】:英国
【发布日期】:2006-11-30
【实施或试行日期】:2006-11-30
【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】:轴向;滚珠丝杠;测定;动力学;紧固件;机床;数学计算;径向;刚度;主轴;静态的;静力学;硬挺度;应变;螺纹轴;螺纹
【英文主题词】:Axial;Ballscrews;Determination;Dynamics;Fasteners;Machinetools;Mathematicalcalculations;Radial;Rigidity;Spindles;Static;Statics;Stiffness;Strain;Threadedspindles;Threads
【摘要】:ThispartofISO3408setsforthtermsandmathematicalrelationsrelevanttothedeterminationofthestaticaxialrigidityoftheballscrew.
【中国标准分类号】:J52
【国际标准分类号】:25_060_99
【页数】:26P.;A4
【正文语种】:英语
【英文标准名称】:Methodsoftestingrefractorymaterials.Refractoryandthermalproperties.Determinationofpermanentchangeindimensionsonheatingofshapedinsulatingproducts(method1902-509)
【原文标准名称】:耐火材料的试验方法.第5部分:耐火和耐热性.第9节:成型绝缘制品加热时尺寸永久性变化的测定(1902-509法)
【标准号】:BS1902Sec.5.9-1985
【标准状态】:作废
【国别】:英国
【发布日期】:1985-09-30
【实施或试行日期】:
【发布单位】:英国标准学会(BSI)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:耐熔材料;加热;成型耐火材料;尺寸变化;耐火烧结材料;绝热材料;热试验
【英文主题词】:refractorymaterials;shapedrefractories;dimensionalchanges;refractories;heating;thermalinsulatingmaterials;thermaltesting
【摘要】:
【中国标准分类号】:Q40
【国际标准分类号】:
【页数】:8P;A4
【正文语种】:英语
【英文标准名称】:StandardTestMethodforUltrasonicInspectionofAluminum-AlloyPlateforPressureVessels
【原文标准名称】:压力容器用铝合金板的超声波检验的标准试验方法
【标准号】:ASTMB548-2003(2009)
【标准状态】:现行
【国别】:美国
【发布日期】:2003
【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】:B07.03
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:Aluminumalloys--ultrasonicinspection;Aluminumalloys(plate/sheet)--specifications;Pressurevessels;Ultrasonictesting--metals/alloys
【摘要】:Anumberoffactorssuchastheconditionoftheentryandbacksurfacesoftheplate,theinclinationoftheultrasonicbeamwithrespecttotheentrysurface,andtheperformancecharacteristicsofthetestsystemmaycauseeitherareductionofisolatedindicationsorasubstantiallossofbackreflectionandtherebycouldseriouslyimpairthereliabilityofthetestprocedureoutlinedinthisstandard.Accurateevaluationsofdiscontinuitysizealsomaybelimitedsignificantlybyvariationsinbeamcharacteristicswhichexistinmostsearchunits.Forthisreason,discontinuitysizeasdeterminedbythetestprocedureoutlinedinthismethodisregardedasx201C;apparentx201D;orx201C;estimatedx201D;inrecognitionofthelimitedquantitativevalueofthemeasurement.Becausealargenumberofinteractingvariablesinatestsystemcanadverselyinfluencetheresultsofanultrasonictest,theactualquantitativeeffectsofdetecteddiscontinuitiesuponthemechanicalpropertiesoftheinspectedplatearedifficulttoestablish.Consequently,thisultrasonicinspectionmethodisnotapplicableasanexclusiveindicatoroftheultimatequalityandperformanceofpressurevesselsbutprovidesareliablecontrolofplatequalitytoavoidfailureduringtheformingprocessforfabricationofvessels.1.1Thistestmethodcoverspulse-echoultrasonicinspectionofaluminum-alloyplateofthicknessequaltoorgreaterthan0.500in.(12.7mm)foruseinthefabricationofpressurevessels.Theultrasonictestisemployedtodetectgrossinternaldiscontinuitiesorientedinadirectionparalleltotherolledsurfacesuchascracks,ruptures,andlaminations,andtoprovideassurancethatonlyplatethatisfreefromrejectablediscontinuitiesisacceptedfordelivery.1.2Theinspectionmethodandacceptancecriteriaincludedinthisstandardshallbelimitedtoplateofthefollowingaluminumalloys:1060,1100,3003,Alclad3003,3004,Alclad3004,5050,5052,5083,5086,5154,5254,5454,5456,5652,6061,andAlclad6061.1.3Thistestmethodappliesonlytoultrasonictestsusingpulsedlongitudinalwaveswhicharetransmittedandreceivedbyasearchunitcontainingeitherasinglecrystaloracombinationofelectricallyinterconnectedmultiplecrystals.Ultrasonictestsemployingeitherthethrough-transmissionortheangle-beamtechniquesarenotincluded.1.4Thistestmethodshallbeusedwhenultrasonicinspectionasprescribedhereinisrequiredbythecontract,purchaseorder,orreferencedplatespecification.1.5Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.1.6Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:H26
【国际标准分类号】:77_150_10
【页数】:5P.;A4
【正文语种】:英语