JB/T 3372-2004 滚动轴承 连杆支承用滚针和保持架组件
作者:标准资料网 时间:2024-05-15 22:56:34 浏览:8377
来源:标准资料网
基本信息
| 标准名称： | 滚动轴承 连杆支承用滚针和保持架组件 |
| 英文名称： | Rolling bearings—Needle roller and cage assemblies for connecting rod bearing arrangements |
| 中标分类： |
机械 >>
通用零部件 >>
滚动轴承 |
| ICS分类： |
机械系统和通用件 >>
轴承 >>
滚动轴承
|
| 替代情况： | JB/T 3372-1992 |
| 发布部门： | 中华人民共和国国家发展和改革委员会 |
| 发布日期： | 2004-10-20 |
| 实施日期： | 2005-04-01 |
| 首发日期： | 1900-01-01 |
| 作废日期： | 2011-08-15 |
| 提出单位： | 中国机械工业联合会 |
| 归口单位： | 全国滚动轴承标委会 |
| 起草单位： | 苏州轴承厂有限公司 |
| 起草人： | 顾朝阳 |
| 出版社： | 机械工业出版社 |
| 出版日期： | 2005-03-27 |
| 页数： | 8页 |
| 批文号： | 发改委2004-61 |
| 书号： | 15111.7452 |
适用范围
本标准规定了连杆支承用滚针和保持架组件的外形尺寸、技术要求、检验方法、检验规则、防锈和包装等。
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 通用零部件 滚动轴承 机械系统和通用件 轴承 滚动轴承
【英文标准名称】:Safetyofwoodworkingmachines-Circularsawingmachines-Circularsawingmachinesforfirewoodanddualpurposecircularsawingmachinesforfirewood/circularsawbenches,withmanualloadingand/orunloading
【原文标准名称】:木工机械的安全性.圆盘锯床.带手工上料和/或下料的木柴/圆锯架的木柴及两用圆锯机械用圆盘锯床
【标准号】:BSEN1870-6-2002+A1-2009
【标准状态】:现行
【国别】:英国
【发布日期】:2002-07-24
【实施或试行日期】:2002-07-24
【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】:事故预防;圆盘锯架;木柴圆盘锯床;圆盘锯;圆盘锯(机床);定义;电动工具;电气安全;排放;燃材;危害;手工上料;机器安全;噪声辐射;职业安全;操作说明书;危险防护;保护设备;保护措施;安全;安全工程;机械安全;安全要求;锯床;单刃圆盘锯;声级;稳定性;试验;用户信息;木材加工;木工机械;工作场所安全
【英文主题词】:Accidentprevention;Circularsawbenches;Circularsawingmachineforfirewood;Circularsaws;Circularsaws(machines);Definitions;Electrictools;Electricalsafety;Emission;Firewood;Hazards;Manualloading;Mechanicalsafety;Noiseemissions;Occupationalsafety;Operatinginstructions;Protectionagainstdanger;Protectiondevices;Protectivemeasures;Safety;Safetyengineering;Safetyofmachinery;Safetyrequirements;Sawingmachines;Singlebladecircularsaws;Soundlevel;Stability;Testing;Userinformation;Woodworking;Woodworkingmachines;Workplacesafety
【摘要】:
【中国标准分类号】:J65
【国际标准分类号】:79_120_10
【页数】:70P;A4
【正文语种】:英语
【英文标准名称】:StandardTestMethodforAirflowCalibrationofFanPressurizationDevices
【原文标准名称】:风扇增压装置气流校正的标准试验方法
【标准号】:ASTME1258-1988(2008)
【标准状态】:现行
【国别】:美国
【发布日期】:1988
【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】:E06.41
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:air-leakagemeasurement;airflowcalibration;airflowmeasurement;buildingenvelopes;fandepressurizationdevices;Airpressuretesting--buildingconstructions/materials;Buildingenvelopes;Calibration--air/atmosphericanalysisinstruments;Chambernoz
【摘要】:Thefanpressurizationprocedureprovidesarelativelyfastevaluationoftheairtightnessofbuildingenvelopes.Inorderfortheaccuracyofthetestresultstobeknown,theairflowratemeasurementtechniqueofthefanpressurizationsystemmustbecalibrated.Thistestmethodisapplicabletofanpressurizationsystemsthatareinstalledinanopeninginthebuildingenvelope,asopposedtopressurizationtechniquesinvolvingthemechanicalventilationsystemofthebuilding.Thetechniqueofpressurizationtestingofbuildingsputsspecificrequirementsonthecalibrationoffanpressurizationsystems.Thecalibrationmustcovertherangeoffanpressuredifferences(approximately12.5to75Pa)thatisinducedduringpressurizationtests.Thecalibrationmustalsocoverarangeinfanairflowratescorrespondingtotherangeinbuildingsizeandairtightnessthatthefanpressurizationsystemwillencounterinthefield.Thefanpressurizationsystemmustbecalibratedinbothdirectionsofairflowusedtopressurizeanddepressurizeabuildingifthesystemairflowdirectionisreversible.Thesetwocalibrationscanbeconductedusingthevarioussetupsdescribedinthistestmethod;howeversomeofthesetupscanbecombinedsuchthatasinglecalibrationfacilitycanbeusedtocalibratethefaninbothdirections.Suchasinglesetupmayinvolvemovingthefanpressurizationsystemfromoneendofthechambertotheother,reversingtheorientationofthesystematthesameendofthechamber,oritmaynotrequiremovingthesystematall.Thecalibrationtechniqueisapplicabletothetwobasictypesoffanpressurizationsystemsinuse,r/mindoorsandsignaldoors.Forfanpressurizationsystemsthatoperateinmultiplerangesofairflowrate,thesystemmustbecalibratedineachrange.Thecalibrationtechniqueisintendedtoprovideacompletecalibrationofafanpressurizationsystem.Aftercalibratingseveralsystemsofanidenticalorsimilardesign,thefanairflowratemaybefoundtobeindependentofcertainparameterssuchasfanpressuredifference.Othersimplifyingrelationsbetweenfanairflowrateandfanspeedorfansignalmaybeobserved.Iftheserelationsareobserved,amanufacturerorothercalibratormaychoosetosimplifythecalibrationprocedurebyreducingthenumberofcalibrationpoints.Theuseoffanpressurizationsystemsinactualbuildingsintroducesadditionalfactorsthatmaycauseerrorsintheairflowratemeasurementthatarenotaccountedforbythecalibration.Thesefactorsincludeoperatorandweathereffectsandinterferencefrominternalpartitionsandotherobstructions.^1.1Thistestmethodcoverstheairflowmeasurementcalibrationtechniquesforfanpressurizationsystemsusedformeasuringairleakageratesthroughbuildingenvelopes.1.2ThistestmethodisapplicabletosystemsusedforairleakagemeasurementasdescribedinPracticeE779.1.3Thistestmethodinvolvestheinstallationofthefanpressurizationsysteminacalibrationchamber.Useofthefanpressurizationsysteminanactualbuildingmayintroduceadditionalerrorsintheairflowmeasurementduetooperatorinfluence,interferenceofinternalpartitionsandfurnishings,weathereffects,andotherfactors.1.4Theproperuseofthistestmethodrequiresaknowledgeoftheprinciplesofairflowandpressuremeasurement.1.5Thisstandardincludestwobasicprocedures,apreferredprocedure,basedonASHRAE51/AMCA210,andanoptionalprocedurebasedonanonstandardairflowmeasurementtechnique,commonlyusedbymanufacturersoffanpressurizationdevices,butwhichhasnotbeencomparedwithstandardairflowmeasurementtechniques.1.6Thisstandarddoesnotpu......
【中国标准分类号】:J72
【国际标准分类号】:23_120
【页数】:9P.;A4
【正文语种】:英语
