ASTM B439-2008 铁基粉末冶金(PM)轴承(油浸的)的标准规范
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【英文标准名称】:StandardSpecificationforIron-BasePowderMetallurgy(PM)Bearings(Oil-Impregnated)
【原文标准名称】:铁基粉末冶金(PM)轴承(油浸的)的标准规范
【标准号】:ASTMB439-2008
【标准状态】:现行
【国别】:美国
【发布日期】:2008
【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】:B09.04
【标准类型】:(Specification)
【标准水平】:()
【中文主题词】:
【英文主题词】:bearingbreakingload;impregnateddensity;interconnectedporosity;oilcontent;oil-impregnatedbearings;openporosity;PMbearings;porousmetallicbearings;PVfactor;PVlimit;radialcrushingstrength;self-lubricatingbearings;Ferrousmetals/allo
【摘要】:1.1Thisspecificationcoversporousmetallicsleeve,flange,thrust,andsphericaliron-basebearingsthatareproducedfrommixedmetalpowderutilizingpowdermetallurgy(PM)technologyandthenimpregnatedwithoiltosupplyoperatinglubrication.1.2Includedarethespecificationsforthechemical,physical,andmechanicalrequirementsofthoseferrousPMmaterialsthathavebeendevelopedandstandardizedspecificallyforuseinthemanufactureoftheseself-lubricatingbearings.1.3ThisspecificationaccompaniesSpecificationB438/B438MthatcoverstherequirementsforBronze-BasePowderMetallurgy(PM)Bearings(Oil-Impregnated).1.4Typicalapplicationsforiron-basebearingsarediscussedinAppendixX1.1.5CommercialbearingdimensionaltolerancedataareshowninAppendixX2,whileengineeringinformationregardinginstallationandoperatingparametersofPMbearingsisincludedinAppendixX3.Additionalusefulinformationonself-lubricatingbearingscanbefoundinMPIFStandard35(Bearings)andthetechnicalliterature.1.6Withtheexceptionofdensityvaluesforwhichtheg/cm3unitistheindustrystandard,thevaluesstatedininch-poundunitsaretoberegardedasstandard.Thevaluesstatedininch-poundunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.7Thefollowingsafetyhazardscaveatpertainsonlytothetestmethodsdescribedinthisspecification.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:J12
【国际标准分类号】:21_100_10
【页数】:13P.;A4
【正文语种】:英语
【原文标准名称】:铁基粉末冶金(PM)轴承(油浸的)的标准规范
【标准号】:ASTMB439-2008
【标准状态】:现行
【国别】:美国
【发布日期】:2008
【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】:B09.04
【标准类型】:(Specification)
【标准水平】:()
【中文主题词】:
【英文主题词】:bearingbreakingload;impregnateddensity;interconnectedporosity;oilcontent;oil-impregnatedbearings;openporosity;PMbearings;porousmetallicbearings;PVfactor;PVlimit;radialcrushingstrength;self-lubricatingbearings;Ferrousmetals/allo
【摘要】:1.1Thisspecificationcoversporousmetallicsleeve,flange,thrust,andsphericaliron-basebearingsthatareproducedfrommixedmetalpowderutilizingpowdermetallurgy(PM)technologyandthenimpregnatedwithoiltosupplyoperatinglubrication.1.2Includedarethespecificationsforthechemical,physical,andmechanicalrequirementsofthoseferrousPMmaterialsthathavebeendevelopedandstandardizedspecificallyforuseinthemanufactureoftheseself-lubricatingbearings.1.3ThisspecificationaccompaniesSpecificationB438/B438MthatcoverstherequirementsforBronze-BasePowderMetallurgy(PM)Bearings(Oil-Impregnated).1.4Typicalapplicationsforiron-basebearingsarediscussedinAppendixX1.1.5CommercialbearingdimensionaltolerancedataareshowninAppendixX2,whileengineeringinformationregardinginstallationandoperatingparametersofPMbearingsisincludedinAppendixX3.Additionalusefulinformationonself-lubricatingbearingscanbefoundinMPIFStandard35(Bearings)andthetechnicalliterature.1.6Withtheexceptionofdensityvaluesforwhichtheg/cm3unitistheindustrystandard,thevaluesstatedininch-poundunitsaretoberegardedasstandard.Thevaluesstatedininch-poundunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.7Thefollowingsafetyhazardscaveatpertainsonlytothetestmethodsdescribedinthisspecification.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:J12
【国际标准分类号】:21_100_10
【页数】:13P.;A4
【正文语种】:英语
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