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15、lrelays-Testsandmeasurements-Part56:BallPressuretestRelaiselectriques-Essaisetmesurages-Part56:EssaiaIabilleINTERNATIONALELECTROTECHNICALCOMMISSIONCOMMISSIONELECTROTECHNIQUEINTERNATIONALEICS29.120.70ISBN978-2-8327-0351-9Warning!Makesurethatyouobtainedthispublicationfromanauthorizeddistributor.Attent
16、ion!Veuillezvousassurerquevousavezobtenucettepublicationviaundistributeuragree.RegisteredtrademarkoftheInternationalElectrotechnicalCommissionMarquedeposeedeIaCommissionElectrotechniqueInternationaleCONTENTSFOREWORD31 Scope52 Normativereferences53 Termsanddefinitions54 Testprocedure54.1 Purpose54.2
17、Procedure64.2.1 Pre-conditioning64.2.2 Testspecimen64.2.3 Testprocess64.3 Conditions85 Evaluation85.1 General85.2 Testreport8Bibliography9Figure 1 -Ballpressuretestapparatus7Figure 2 -Measurementpoints7Table1-Measurementpoints7INTERNATIONALELECTROTECHNICALCOMMISSIONELECTRICALRELAYS-TESTSANDMEASUREME
18、NTS-Part56:BallpressuretestFOREWORD1) TheInternationalElectrotechnicalCommission(IEC)isaworldwideorganizationforstandardizationcomprisingallnationalelectrotechnicalcommittees(IECNationalCommittees).TheobjectofIECistopromoteinternationalco-operationonallquestionsconcerningstandardizationintheelectric
19、alandelectronicfields.Tothisendandinadditiontootheractivities,IECpublishesInternationalStandards,TechnicalSpecifications,TechnicalReports,PubliclyAvailableSpecifications(PAS)andGuides(hereafterreferredtoasIECPubIication(三).Theirpreparationisentrustedtotechnicalcommittees;anyIECNationalCommitteeinter
20、estedinthesubjectdealtwithmayparticipateinthispreparatorywork.International,governmentalandnon-governmentalorganizationsliaisingwiththeIECalsoparticipateinthispreparation.IECcollaboratescloselywiththeInternationalOrganizationforStandardization(ISO)inaccordancewithconditionsdeterminedbyagreementbetwe
21、enthetwoorganizations.2) TheformaldecisionsoragreementsofIEContechnicalmattersexpress,asnearlyaspossible,aninternationalconsensusofopinionontherelevantsubjectssinceeachtechnicalcommitteehasrepresentationfromallinterestedIECNationalCommittees.3) IECPublicationshavetheformofrecommendationsforinternati
22、onaluseandareacceptedbyIECNationalCommitteesinthatsense.WhileallreasonableeffortsaremadetoensurethatthetechnicalcontentofIECPublicationsisaccurate,IECcannotbeheldresponsibleforthewayinwhichtheyareusedorforanymisinterpretationbyanyenduser.4) Inordertopromoteinternationaluniformity,IECNationalCommitte
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24、ficationbodiesprovideconformityassessmentservicesand,insomeareas,accesstoIECmarksofconformity.IECisnotresponsibleforanyservicescarriedoutbyindependentcertificationbodies.6) Allusersshouldensurethattheyhavethelatesteditionofthispublication.7) NoliabilityshallattachtoIECoritsdirectors,employees,servan
25、tsoragentsincludingindividualexpertsandmembersofitstechnicalcommitteesandIECNationalCommitteesforanypersonalinjury,propertydamageorotherdamageofanynaturewhatsoever,whetherdirectorindirect,orforcosts(includinglegalfees)andexpensesarisingoutofthepublication,useof,orrelianceupon,thisIECPublicationorany
26、otherIECPublications.8) AttentionisdrawntotheNormativereferencescitedinthispublication.Useofthereferencedpublicationsisindispensableforthecorrectapplicationofthispublication.9) IECdrawsattentiontothepossibilitythattheimplementationofthisdocumentmayinvolvetheuseof（八）patet(三).IECtakesnopositionconcern
27、ingtheevidence,validityorapplicabilityofanyclaimedpatentrightsinrespectthereof.Asofthedateofpublicationofthisdocument,IEChadnotreceivednoticeof（八）patent(三)jwhichmayberequiredtoimplementthisdocument.However,Implementersarecautionedthatthismaynotrepresentthelatestinformation,whichmaybeobtainedfromthep
28、atentdatabaseavailableathttps:/patents.iec.ch.IECshallnotbeheldresponsibleforidentifyinganyorallsuchpatentrights.IEC63522-56havebeenpreparedbyIECtechnicalcommittee94:Electricalrelays.ItisanInternationalStandard.ThetextofthisInternationalStandardisbasedonthefollowingdocuments:DraftReportonvoting94/10
29、67/FDIS94/1117/RVDFullinformationonthevotingforitsapprovalcanbefoundinthereportonvotingindicatedintheabovetable.ThelanguageusedforthedevelopmentofthisInternationalStandardisEnglish.ThisdocumentwasdraftedinaccordancewithISO/IECDirectives,Part2,anddevelopedinaccordancewithISO/IECDirectives,Part1andISO
30、/IECDirectives,IECSupplement,availableatwww.iec.ch/members_experts/refdocs.ThemaindocumenttypesdevelopedbyIECaredescribedingreaterdetailatwww.iec.ch/publications.AlistofallpartsofIEC63522series,publishedunderthegeneraltitleElectricalrelays-Testsandmeasurements,canbefoundontheIECwebsite.ThisInternati
31、onalStandardistobeusedinconjunctionwithIEC63522-0:-1.ThecommitteehasdecidedthatthecontentsofthisdocumentwillremainunchangeduntilthestabilitydateindicatedontheIECwebsiteunderwebstore.iec.chinthedatarelatedtothespecificdocument.Atthisdate,thedocumentwillbe reconfirmed, withdrawn,or revised.Electricalr
32、elays-TESTSANDMEASUREMENTS-Part56:Ballpressuretest1 ScopeThispartofIEC63522isusedfortestingalongwiththeappropriateseveritiesandconditionsformeasurementsandtestsdesignedtoassesstheabilityofspecimenstoperformunderexpectedconditionsoftransportation,storageandallaspectsofoperationaluse.Theobjectofthiste
33、stistodefineastandardtestmethodforevaluationofappropriatematerialstowithstandmechanicalpressureatelevatedtemperatureswithoutunduedeformation.NOTEThetestisnotmadeonpartsofceramicmaterial.2 NormativereferencesThefollowingdocumentsarereferredtointhetextinsuchawaythatsomeoralloftheircontentconstitutesre
34、quirementsofthisdocument.Fordatedreferences,onlytheeditioncitedapplies.Forundatedreferences,thelatesteditionofthereferenceddocument(includinganyamendments)applies.IEC63522-0:-2,Electricalrelays-Testsandmeasurements-Part0:GeneralandguidanceISO293,Plastics-Compressionmouldingoftestspecimensofthermopla
35、sticmaterialsISO294(allparts),Plastics-InjectionmouldingoftestspecimensofthermoplasticmaterialsISO295,Plastics-Compressionmouldingoftestspecimensofthermosettingmaterials3 TermsanddefinitionsForthepurposesofthisdocument,thetermsanddefinitionsgiveninIEC63522-0apply.ISOandIECmaintainterminologydatabase
36、sforuseinstandardizationatthefollowingaddresses: IECElectropedia:availableathttps:/www.electropedia.org/ ISOOnlinebrowsingplatform:availableathttps:/www.iso.org/obp4Testprocedure4.1 PurposeThepurposeoftheballpressuretestistoassesstheabilityofmaterialstowithstandmechanicalpressureatelevatedtemperatur
37、eswithoutunduedeformation.4.2 Procedure4.2.1 Pre-conditioningThepartstobetestedarestoredfor24hinanatmospherehavingatemperaturebetween15and35andarelativehumiditybetween45%and75%,beforestartingthetest.4.2.2 Testspecimen4.2.2.1 EndproducttestmethodAtestspecimeniscutfromtheendproductinsuchawaythatapiece
38、atleast2,5mmthickwithapproximatelyparallelupperandlowersurfacesisobtained.Ifnecessary,thethicknessmaybeattainedbystackingtwoormoresectionssolongasthereisnonoticeablemovementbetweenthesurfacespriortotesting.Ifitisnotpossibletocutatestspecimenwithparallelsurfaces,careshallbetakentosupporttheareaofthet
39、estspecimendirectlyunderthepressureball.Thetestspecimenshallbeasquarewithaminimumof10mmsidesoracirclewithadiameterofatleast10mm.Ifitisimpracticabletouseatestspecimenfromtheendproduct,thenaplaqueofidenticalmaterialmaybeusedasthetestspecimenasdescribedin4.2.2.2.NOTEThreetestspecimenscanbenecessary.4.2
40、2.2 MaterialTestmethod4.2.2.2.1 Testspecimen-PreparationTestspecimensshallbefabricatedusingtheappropriateISOmethod,forexamplecastingandinjectionmouldinginaccordancewiththeISO294series,compressionmouldinginaccordancewithISO293orISO295,ortransfermouldingtothenecessaryshape.4.2.2.2.2 Testspecimen-Dime
41、nsionsThedimensionsoftheplanarsectionsofthetestspecimensshallbeatleast10mminlengthand10mminwidth,oracirclewithadiameterofatleast10mmandshallbeprovidedinathicknessof3,0mm0,5mm.NOTEFifteentestspecimenscanbenecessary.4.2.3 TestprocessThefollowingappliesforthisdocument(seealsoIEC60695-10-2):Thetestismad
42、einaheatingcabinetatatemperatureof202plusthevalueofthemaximumtemperaturedeterminedduringtheheatingtestsofIEC63522-10,orat 752forexternalparts, 1252forpartsthatsupportactiveparts,whicheverishigher.Thesupportandthetestapparatusshallbeatthespecifiedtesttemperaturebeforethetestisstarted.Thetestapparatus
43、isshowninFigure1.Thesurfaceoftheparttobetestedisplacedinthehorizontalpositionsupportedona3mmthicksteelplate.Thethicknessofthespecimenshallbenotlessthan2,5mm;ifnecessary,twoormorelayersofthepartsubjectedtothetestshallbeused.Asteelballof5mmdiameterispressedagainstthesurfaceofthespecimenbyaforceof20N0,
44、2N.Careshouldbetakenthattheballdoesnotmoveduringthetest.After1h,theballisremovedfromthespecimenwhichisthencooleddowntoapproximatelyroomtemperaturebyimmersionfor10sinwater.Thewatershallhaveatemperaturewithinthereferenceambienttemperature.Thediameteroftheimpressioncausedbytheballismeasuredwithanaccura
45、cyof0,1mmwithin3minafterremovalofthespecimenfromthewater.Figure1-BallpressuretestapparatusThemeasurementpointsaccordingtothedescriptionsarelistedinTable1.ThediagramsinFigure2illustratetheseindentationmeasurementpoints.Figure2-MeasurementpointsIECTable1-MeasurementpointsMeasurementpointsAEdgesofasimp
46、leindentBInsidefaceofraised(rounded)edgesCOutsideperimeterofraised(rounded)edgesDLimitoftheshoulderofaslightsubsidenceEEdgesofthedirectballindentwithinaslightsubsidenceOtherOther-ifapplicable-descriptionneedede.g.,irregularshapedindent4.3Conditions Pre-conditioningasdefined Testtemperature,ifdeviati
47、ngfromthepredefinedtemperaturedescribedin4.2.5Evaluation5.1 General Thediameterdoftheimpressioncausedbytheballshallbemeasuredandnotexceed2mm. Withtheexceptionoftheimpressioncausedbytheball,thereshallbenootherdeformationsofthespecimeninthesurroundingarea. IfanyofthemeasurementpointsAtoEis2mmorless,it
48、shallbeconsideredforaPASS.5.2 TestreportIfthisdocumentisexecutedasapartofatestrecordofanotherstandard,thentheresultsshallbereportedasrequiredintheotherstandard.Otherwise5itisrecommendedtoissueadedicatedtestreportaccordingtothisdocument.Thetestreportshallcontainalltheinformationnecessarytoreproducethetest.Inparticular,thefollowingshallberecorded:Descriptionoftestspecimen.Forexample,Whetherthetestspecimenwas-anendproduct;or-
