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IEC 60974-6-2003 弧焊设备.第6部分:限制负载的手工金属弧焊电源

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【英文标准名称】:Arcweldingequipment-Part6:Limiteddutymanualmetalarcweldingpowersources
【原文标准名称】:弧焊设备.第6部分:限制负载的手工金属弧焊电源
【标准号】:IEC60974-6-2003
【标准状态】:作废
【国别】:国际
【发布日期】:2003-01
【实施或试行日期】:
【发布单位】:国际电工委员会(IX-IEC)
【起草单位】:IEC/TC26
【标准类型】:()
【标准水平】:()
【中文主题词】:无荷载电压;圆形持续因数;手动电弧焊;电接触保护;温升试验;防电击;电弧焊接;故障电流;焊接;电气安全;定义;尺寸选定;规范(验收);安全要求;电子电源;热应力;电气工程;焊接电流;切断装置;焊接工程;试验;电力系统;热的;安全工程
【英文主题词】:Abilitytoswitch;Adjustments;Arcwelding;Attachment;Bushes(mechanicalcomponents);Capacitors;Clamps;Classesofprotection;Clearances;Conduits;Connections;Contact;Cutoffdevice;Cyclicdurationfactors;Definitions;Dielectricstrength;Dimensioning;Disconnection;Earthconductors;Electriccontactprotection;Electricmains;Electricpowersystems;Electricshock;Electricalengineering;Electricalsafety;Electrodes;Electronicpowersupplies;Environmentalcondition;Erroranalysis;Exits;Faultcurrents;Firerisks;Fixings;Funnels;Fusionwelding;Heating;Impactstrength;Impacttesters;Indications;Inputcurrents;Inspection;Insulatingresistance;Insulations;Lamps;Leakagepaths;Manualarcwelding;Marking;Measuringtechniques;No-loadvoltages;Normaloperation;Operatinginstructions;Operation;Performance;Protection;Protectionagainstelectricshocks;Ratingplates;Repair;Resistors;Rodelectrodes;Routinechecktests;Safetyengineering;Safetyrequirements;Screws(bolts);Separation;Shortshieldedarcwelding;Signs;Specification(approval);Stability;Strainrelief;Strengthofmaterials;Supply;Supplymains;Supplyvoltage;Surfaces;Switching-in;Temperature;Temperature-risetests;Testing;Thermal;Thermalstress;Thermometers;Tolerances(measurement);Torque;Types;Welding;Weldingcurrent;Weldingengineering;Weldingpowersupply;Windings
【摘要】:本部分适用于带热切断装置的、限制负载的手工金属弧焊电源。这些弧焊电源主要由非专业人员使用。本部分规定了额定最大焊接电流不超过160A的弧焊电源的结构安全要求和性能要求。本部分不适用于:——旋转式弧焊电源;带遥控的弧焊电源;——变频式的弧焊电源。
【中国标准分类号】:J64
【国际标准分类号】:25_160_30
【页数】:18P.;A4
【正文语种】:英语


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【英文标准名称】:Hexagonheadboltswithreducedshank(shankdiameterpitchdiameter);productgradeB(ISO4015:1979);germanversionEN24015:1991
【原文标准名称】:缩小钉杆的六角螺栓(杆直径≈螺纹中径).产品等级B(ISO4015-1979)
【标准号】:DINEN24015-1991
【标准状态】:现行
【国别】:德国
【发布日期】:1991-12
【实施或试行日期】:
【发布单位】:德国标准化学会(DE-DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:规范;规范(验收);尺寸;名称与符号;无头紧固件;螺钉;细杆;产品等级;紧固件;验收规范;六角头螺钉;直径;螺栓;交货条件
【英文主题词】:Acceptancespecification;Bolts;Deliveryconditions;Designations;Diameter;Dimensions;Fasteners;Headlessfasteners;Hexagonheadscrews;Hexagonal-headfasteners;ISOmetricthreads;Materials;Non-ferrousmetals;Productgrades;Relievedshanks;Screws(bolts);Specification(approval);Specifications;Steels;Threads
【摘要】:Thisstandardcontainsdimensionalandtechnicalrequirementsofhexagonheadbolts,reducedshank,produktgradeBandspecifiestheirdesignation.
【中国标准分类号】:J13
【国际标准分类号】:21_060_10
【页数】:8P.;A4
【正文语种】:德语


【英文标准名称】:StandardTestMethodforDynamicYoung''sModulus,ShearModulus,andPoisson''sRatioforAdvancedCeramicsbyImpulseExcitationofVibration
【原文标准名称】:用振动脉冲激励法的高级陶瓷动态杨氏模量、剪切模量和泊松比的标准试验方法
【标准号】:ASTMC1259-2008e1
【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】:C28.01
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:advancedceramics;bar;beam;cylindricalrod;disc;dynamic;elasticmodulus;flexure;elasticproperties;impulse;Poisson'sratio;resonance;resonantbeam;shearmodulus;torsion;Young'smodulus;Advancedceramics;Dynamicelasticproperties;Elastic
【摘要】:Thistestmethodmaybeusedformaterialdevelopment,characterization,designdatageneration,andqualitycontrolpurposes.Thistestmethodisspecificallyappropriatefordeterminingthemodulusofadvancedceramicsthatareelastic,homogeneous,andisotropic(1).Thistestmethodaddressestheroomtemperaturedeterminationofdynamicmoduliofelasticityofslenderbars(rectangularcross-section)androds(cylindrical).Flatplatesanddisksmayalsobemeasuredsimilarly,buttherequiredequationsfordeterminingthemoduliarenotaddressedherein.Thisdynamictestmethodhasseveraladvantagesanddifferencesfromstaticloadingtechniquesandfromresonanttechniquesrequiringcontinuousexcitation.Thetestmethodisnondestructiveinnatureandcanbeusedforspecimenspreparedforothertests.Thespecimensaresubjectedtominutestrains;hence,themoduliaremeasuredatorneartheoriginofthestress-straincurve,withtheminimumpossibilityoffracture.Theimpulseexcitationtestusesanimpacttoolandsimplesupportsforthetestspecimen.Thereisnorequirementforcomplexsupportsystemsthatrequireelaboratesetuporalignment.Thistechniquecanbeusedtomeasureresonantfrequenciesaloneforthepurposesofqualitycontrolandacceptanceoftestspecimensofbothregularandcomplexshapes.Arangeofacceptableresonantfrequenciesisdeterminedforaspecimenwithaparticulargeometryandmass.Deviationsinspecimendimensionsormassandinternalflaws(cracks,delaminations,inhomogeneities,porosity,etc)willchangetheresonantfrequencyforthatspecimen.Anyspecimenwitharesonantfrequencyfallingoutsidetheprescribedfrequencyrangeisrejected.Theactualmodulusofeachspecimenneednotbedeterminedaslongasthelimitsoftheselectedfrequencyrangeareknowntoincludetheresonantfrequencythatthespecimenmustpossessifitsgeometryandmassandinternalstructurearewithinspecifiedtolerances.Thetechniqueisparticularlysuitablefortestingspecimenswithcomplexgeometries(otherthanparallelepipeds,cylinders/rods,ordiscs)thatwouldnotbesuitablefortestingbyotherprocedures.ThisissimilartotheevaluationmethoddescribedinGuideE2001.Ifathermaltreatmentoranenvironmentalexposureaffectstheelasticresponseofthetestspecimen,thistestmethodmaybesuitableforthedeterminationofspecificeffectsofthermalhistory,environmentexposure,etc.Specimendescriptionsshouldincludeanyspecificthermaltreatmentsorenvironmentalexposuresthatthespecimenshavereceived.1.1Thistestmethodcoversdeterminationofthedynamicelasticpropertiesofadvancedceramicsatambienttemperatures.Specimensofthesematerialspossessspecificmechanicalresonantfrequenciesthataredeterminedbytheelasticmodulus,mass,andgeometryofthetestspecimen.Thedynamicelasticpropertiesofamaterialcanthereforebecomputedifthegeometry,mass,andmechanicalresonantfrequenciesofasuitable(rectangular,cylindrical,ordiscgeometry)testspecimenofthatmaterialcanbemeasured.DynamicYoung''smodulusisdeterminedusingtheresonantfrequencyintheflexuralmodeofvibration.Thedynamicshearmodulus,ormodulusofrigidity,isfoundusingtorsionalresonantvibrations.DynamicYoung''smodulusanddynamicshearmodulusareusedtocomputePoisson''sratio.1.2Thistestmethodmeasuresthefundamentalresonantfrequencyoftestspecimensofsuitablegeometrybyexcitingthemmechanicallybyasingularelasticstrikewithanimpulsetool.Specimensupports,impulselocations,andsignalpick-uppointsareselectedtoinduceandmeasurespecificmodesofthetransientvibrations.Atransducer(forexample,contactaccelerometerornon-contactingmicrophone)......
【中国标准分类号】:Q32
【国际标准分类号】:81_060_99
【页数】:17P.;A4
【正文语种】:英语