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SAE AIR5478 U.S. Government Document Retention Status and Non-Government Document Replacement - Aerospace Couplings, Fit

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Product Code:SAE AIR5478
Title:U.S. Government Document Retention Status and Non-Government Document Replacement - Aerospace Couplings, Fittings, Hoses, and Tube Supports
Issuing Committee:G-3, Aerospace Couplings, Fittings, Hose, Tubing Assemblies
Scope:No Scope provided,
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【英文标准名称】:Mechanicalvibration-Hand-heldandhand-guidedmachinery-Principlesforevaluationofvibrationemission
【原文标准名称】:机械振动.手持式和手导式机械.振动传导评价原则
【标准号】:ISO20643-2005
【标准状态】:现行
【国别】:国际
【发布日期】:2005-02
【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/TC118
【标准类型】:()
【标准水平】:()
【中文主题词】:规范(验收);实验室试验;额定值;试验;抓斗;搬运;测量;测量仪器;机床;人类工效学;手柄;手柄轴;振动强度;手-臂体系;抗震试验;工具;振动试验;振动工程;抓取器;作标记;机械工程;一般条件;排放;测量技术;定义;声学;普通控制系统;机器;便携的;轻便机床;振动;振动测量;振动影响(对人体)
【英文主题词】:Acceleration;Acoustics;Attachments;Auxiliarydevices;Calibration;Contactsurfaces;Definitions;Emission;Ergonomics;Filters;Frequencies;Generalconditions;Grabs;Graspingdevices;Hand-armsystems;Handleshafts;Handles;Handling;Laboratorytesting;Machinetools;Machines;Marking;Measurement;Measuringinstruments;Measuringsites;Measuringtechniques;Mechanicalengineering;Operatingconditions;Operators;Pedestrian-controlledsystems;Portable;Portablemachinetools;Ratings;Safety;Safetyofmachinery;Spars;Specification(approval);Steeringcontroldevices;Testing;Tools;Vibration;Vibrationeffects(humanbody);Vibrationengineering;Vibrationintensity;Vibrationmeasurement;Vibrationpick-ups;Vibrationresistancetests;Vibrationtesting;Wear-quantity;Workingmethods;Workpieces
【摘要】:Thisdocumentprovidesthebasisforthedraftingofvibrationtestcodesforhand-heldandhand-guidedpower-drivenmachinery.Itspecifiesthedeterminationofhand-transmittedvibrationemissionintermsoffrequency-weightedroot-mean-square(r.m.s.)accelerationduringtypetesting.Formachineswherevibrationtestcodesdonotexist,itmayalsobeusedfordeterminationofemissionvaluesandcontainssufficientguidancefordesigninganappropriatetest.NOTEVibrationtestcodesbasedonthisdocumentshoulddefinemeasuringprocedureswhichprovidecontrolled,repeatableandreproducibleresultswhichare,asfaraspossible,inagreementwiththevibrationvaluesmeasuredatthemachine-handcontactsurfacesunderrealworkingconditionsandforwhichtheuncertaintiesofmeasurementarequantified.Thisdocumentisapplicabletohand-heldpowertools(e.g.chippinghammers,sanders),hand-guidedpoweredmachines(e.g.lawnmowers,single-axletractors,vibratoryrollers)andothertypesofpoweredmachinesfittedwithhandles,guidingbeamsorsimilarmeansofcontrol.Itisapplicabletomachineryofallpowersources(electrical,hydraulic,pneumatic,internalcombustionengine,etc.).Itdoesnotapplytofixedmachineryinwhichthevibrationistransmittedtothehandsoftheuserthroughtheworkpiece.Thisdocumentisnotapplicabletovibrationtransmittedfromsteeringwheelsorcontrolleversofmobilemachinerywheretheoperator'spositionisonthemachine,seeEN1032.Itisrestrictedtotranslationalvibrationmeasuredinthreeorthogonaldirectionsatthehand-machineinterface.Thisdocumentshouldbeappliedwithcautiontomachinesproducingsingleandrepetitiveshockswithafrequencyofoccurrencelowerthan5Hz.Forsuchmachines,itisnotknownwhetherfrequency-weightedroot-mean-squareaccelerationvaluesarerelatedtotheriskstohealthandadditionalmeasurementsmayberequired.WhendevelopingvibrationtestcodesforsuchmachinestheinformationinCENISO/TS15694shouldbeconsidered.ThisdocumentisnotapplicabletovibrationtestcodespublishedbeforethedateofpublicationofthisdocumentbyCENand,whenusedastestcode,tohand-heldandhand-guidedmachinerymanufacturedbeforethatdate.Thisdocumentdoesnotpresentlimitsorrecommendedvibrationvalues.Itdoesnotgiveanyguidanceorrecommendationsfordeterminationofhumanexposuretovibrationattheworkplace.Forsuchinformation,referenceismadetoENISO5349-1andENISO5349-2.
【中国标准分类号】:J04
【国际标准分类号】:13_160;25_140_01
【页数】:15P;A4
【正文语种】:英语


基本信息
标准名称:电气图用图形符号 半导体管和电子管
英文名称:Graphical symbols for electrical diagrams--Semiconductors and electron tubes
中标分类: 电工 >> 电工综合 >> 基础标准与通用方法
替代情况:替代GB 312-64;被GB/T 4728.5-2000替代
发布日期:1985-05-15
实施日期:1986-01-01
首发日期:
作废日期:
起草单位:电子工业部十二所、标准化研究所
出版日期:
页数:44页
适用范围

本标准规定了绘制各种电气图用的半导体管和电子管图形符号。

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所属分类: 电工 电工综合 基础标准与通用方法