ISO 1179-4-2007 通用和液压传动用连接件.带弹性体密封件或金属对金属密封件的ISO228-1螺纹开口和螺柱端头.第4部分:通用只带金属对金属密封件(B型)的螺柱端头
时间:2024-05-20 09:16:35 来源: 标准资料网 作者：标准资料网 阅读：9813
【英文标准名称】:Connectionsforgeneraluseandfluidpower-PortsandstudendswithISO228-1threadswithelastomericormetal-to-metalsealing-Part4:Studendsforgeneraluseonlywithmetal-to-metalsealing(typeB)
【原文标准名称】:通用和液压传动用连接件.带弹性体密封件或金属对金属密封件的ISO228-1螺纹开口和螺柱端头.第4部分:通用只带金属对金属密封件(B型)的螺柱端头
【标准号】:ISO1179-4-2007
【标准状态】:现行
【国别】:国际
【发布日期】:2007-08
【实施或试行日期】:
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/TC131
【标准类型】:()
【标准水平】:()
【中文主题词】:尺寸;弹性体;液压管路;流体技术;液压传动;轻型;金属导管;金属的;管接头;管连接件;管道配件;塑料;螺纹栓塞;密封;密封环;密封件;螺柱;测试;螺纹
【英文主题词】:Designations;Dimensions;Elastomers;Fluidcircuits;Fluidtechnology;Hydraulicfluidpower;Light-duty;Marking;Metalconduits;Metallic;Pipeconnections;Pipecouplings;Pipefittings;Plastics;Screwedplugs;Sealing;Sealingrings;Seals;Studs;Tappedholes;Testing;Threads
【摘要】:ThispartofISO1179specifiesdimensions,performancerequirementsandtestproceduresforstudendswithISO228-1threadsandmetal-to-metalsealingforgeneraluseonly.Thesestudendsshouldnotbeusedforleak-freehydraulicfluidpowerapplications.StudendsinaccordancewiththispartofISO1179maybeusedatworkingpressuresupto40MPa(400bar)fortheSseries,upto25MPa(250bar)fortheLseries,andupto10MPa(100bar)fortheLLseries.Thepermissibleworkingpressuredependsuponsize,materials,design,workingconditions,application,etc.ConformancetothedimensionalinformationinthispartofISO1179doesnotguaranteeratedperformance.EachmanufacturershallperformtestsaccordingtothespecificationcontainedinthispartofISO1179inordertoensurethatcomponentsmadetothispartofISO1179complywiththeperformanceratings.NOTE1ThispartofISO1179appliestoconnectorsdetailedinISO8434-1andISO8434-2.NOTE2TheintroductionofthispartofISO1179givesrecommendationsforportsandstudendstobeusedfornewdesignsinhydraulicandpneumaticfluidpowerapplications.
【中国标准分类号】:J15
【国际标准分类号】:23_100_40
【页数】:13P.;A4
【正文语种】:英语
【英文标准名称】:Mechanicalvibrationandshock-Characterizationofthedynamicmechanicalpropertiesofvisco-elasticmaterials-Resonancemethod
【原文标准名称】:机械振动和冲击.粘-弹性材料的动态机械特性的表征.共振方法
【标准号】:BSISO18437-2-2005
【标准状态】:作废
【国别】:英国
【发布日期】:2005-05-12
【实施或试行日期】:2005-05-12
【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】:定义;振动影响;规范(验收);测量;振动测量;振动影响(对人体);振动;试验;材料的机械性能;弹性(流体);共振法;冲击;抗震试验
【英文主题词】:Definition;Definitions;Elasticproperties(fluids);Measurement;Mechanicalpropertiesofmaterials;Resonancemethods;Shock;Specification(approval);Testing;Vibration;Vibrationeffects;Vibrationeffects(humanbody);Vibrationmeasurement;Vibrationresistancetests
【摘要】:ThispartofISO18437definesaresonancemethodfordeterminingfromlaboratory,measurementsthedynamicmechanicalpropertiesoftheresilientmaterialsusedinvibrationisolators.Itisapplicabletoshockandvibrationsystemsoperatingfromafractionofahertztoabout20kHz.ThispartofISO18437isapplicabletoresilientmaterialsthatareusedinvibrationisolatorsinordertoreducea)transmissionsofunwantedvibrationsfrommachines,structuresorvehiclesthatradiatesound(fluid-borne,airborne,structure-borne,orothers),andb)thetransmissionoflow-frequencyvibrationsthatactuponhumansorcausedamagetostructuresorsensitiveequipmentwhenthevibrationistoosevere.ThedataobtainedwiththemeasurementmethodsthatareoutlinedinthispartofISO18437andfurtherdetailedinISO18437-3areusedfor—thedesignofefficientvibrationisolators,—theselectionofanoptimummaterialforagivendesign,—thetheoreticalcomputationofthetransferofvibrationsthroughisolators,—informationduringproductdevelopment,—productinformationprovidedbymanufacturersandsuppliers,and—qualitycontrol.Theconditionforthevalidityofthemeasurementmethodislinearityofthevibrationalbehaviouroftheisolator.Thisincludeselasticelementswithnonlinearstaticloaddeflectioncharacteristics,providedthattheelementsshowapproximatelinearityintheirvibrationalbehaviourforagivenstaticpreload.Measurementsusingthismethodaremadeoveroneortwodecadesinfrequencyatanumberoftemperatures.Byapplyingthetime-temperaturesuperpositionprinciple,themeasureddataareshiftedtogeneratedynamicmechanicalpropertiesoveramuchwiderrangeoffrequencies(typically10to10Hzatasinglereferencetemperature)thaninitiallymeasuredatagiventemperature.NOTEForthepurposesofthispartofISO18437,theterm"dynamicmechanicalproperties"referstothedeterminationofthefundamentalelasticproperties,e.g.thecomplexYoung'smodulusasafunctionoftemperatureandfrequencyand,ifapplicable,astaticpreload.
【中国标准分类号】:J04
【国际标准分类号】:17_160
【页数】:24P.;A4
【正文语种】:英语
【英文标准名称】:StandardPracticeforPreparingAnOpticalMicroscopeforDimensionalMeasurements
【原文标准名称】:尺寸测量用光学显微镜的制备
【标准号】:ASTMF728-1981(2003)
【标准状态】:作废
【国别】:
【发布日期】:1981
【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】:F01.06
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:尺寸测量;电子工程;显微镜;准备
【英文主题词】:bright-field;dark-field;dimensional;microscope;opticalmicroscope
【摘要】:ThisstandardwastransferredtoSEMI(www.semi.org)May20031.1Thispracticecoversthepreparationofanopticalmicroscopefordimensionalmeasurements.Itisintendedforpreparinganopticalmicroscopetomeasurethewidthoflines,inthe
【中国标准分类号】:N32
【国际标准分类号】:37_020
【页数】:6P.;A4
【正文语种】: