BS EN 10251-2024.docx

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1、BSEN10251:2024Magneticmateria1.sMethodsofdeterminationofthegeometrica1.characteristicsofe1.ectrica1.stee1.sheetandstripbsi.Nationa1.forewordThisBritishStandardistheUKimp1.ementationofEN10251:2024.ItSUPerSedeSBSEN1O2S1.2O15,whichiswithdrawn.TheUKparticipationinitspreparationwasentrustedtoTechnica1.Co

2、mmitteeISE/108,MagneticAIIoysandStee1.s.A?IjaVofOrganizfttom)ttfcprOTenngfonthiscommitteecanbeobtainedon-49Contractua1.and1.ega1.considerationsThispub1.icationhasbeenpreparedingoodfaith,howevernoimp1.ied)bemade,andnoUndcrtakingiiabi1.ityisW四国岫监加WrtW陶W视四网36P网相照战陶IbCreasonab1.enessofthispubfication.1.

3、1.andanysuchresponsibi1.ityandFiiM1.itybiiexpOffeayrtjw1.iefhedtoahdf1.ttens11btedbythe1.aw.recipientsownrisk.ThetoitsisofthisconsiderrspectrecipientuseadvisedOub1.ication.Scekingnrfcssina1.guidancewithhrspun1.cafjonISnotnrenetoconstituteacontract.Usenrare和nHhk如61树ctentw0晔mitaD24Pub1.ishedbyBSIStand

4、ards1.imited2024型我於也另WWi力140.50Comp1.iancewithaBritishStandardcannotconferimmunityfrom1.ega1.ob1.igations.ThisBritishStandardwaspub1.ishedundertheauthorityoftheStandardsPo1.icyandStrategjrCommitteeon31March2024.Anendmentscorrigendaissuedsincepub1.icationEUROPEANSTANDARDNormeeuropeenneMarch2024Europa

5、ischenormICS29.030;77.140.50SupersedesEN10251:2015Eng1.ishVersionMagneticmateria1.s-Methodsofdeterminationofthegeometrica1.characteristicsofe1.ectrica1.stee1.sheetandstripMtriauxnagn6(iques-M6thodesded6cermiutionMagnetischeWerkstoffeVerfahren2ur加StimmIingdesCaractGnSHqUeSg6om4tnquedesbandesett61este

6、rgeometrischenKenngrOftenvonE1.ektrob1.echUnd-enacier1.ectriquebandThisEuropeanStandardwasapprovedbyCENon8January2024.CENmember*;arcboundtoComp1.ywiththeCENCKNKI,ECInterna1.R(*uhtinswhichstipu1.atetheconditionsforgivingthisEuropeanStandardthestatuso1.anationa1.5Undrdwithout;Inya1.teration.UptdateIis

7、tsandbibimphica1.referencesconcerningsuchnationa1.standardsmaybeobtainedonupp1.iGtiontotheCENCKNEI.ECManaxcmentCentreortoanyCENmember.ThisEuropeanStandardexistsinthreeofficia1.versions(Eng1.ish.French.German).Aveioninanyother1.anguagemadebytmnshUonundertheresponsibi1.ityofCENmemberintoitsown1.anguag

8、eandnotifiedtotheCENCENE1.ECManagementCentrehasthesamestatusastheofficia1.VerSIons.CENmembersarethenationa1.standardsbodiesofAustria,Be1.gium,Bu1.ganavCroatia,Cyprus,CzechRepub1.ic,DenmarkEstonia,Fin1.and,Francc.Germany,Greece.Hungary,Ice1.and.Ire1.and,Ita1.y,1.atvia,1.ithuania,1.uxembourg,Ma1.ta,Ne

9、ther1.ands,Norway.Po1.and.Portuga1.Repub1.icofNorthMacedonia,Romania.Serbia,S1.ovakia.S1.ovenia,Spam.Sweden,Switzer1.and,TOrtciyeandUnitedKingdom.EUROPEANCOMMITTEEFORSTANDARDIZATIONCOM11tEUROPEENDENORMAU&ATIOXEuropaischeskomeefornormungRcf.No.EN10251:2024ECENCENEI.ECManagementCentre:RuedeIaScience23

10、.B-1040BraxsehG2024CENA1.1.rightsofexp1.oitationinanyformandbyanmeansreservedWDridW1.dCforCENnaHou1.Members.ContentsPageEuropeanforewordSC)PeMMMNormativereferences.”.“.”“TermsanddefinitionsTestMethods4.2Residua1.curvature63EdgoCdIT1.b*MMMMMMMaaMMM(*(MMMMaKMM(MMaMM4.4Deviationfromtheshearing1.ineduet

11、ointerna1.stresses-94stWifeighta10?*DV*B*X*J1.AnnexA(informative)Examp1.esofc1.ampingsystems13Bib1.iography15EuropeanforewordThisdocument(EN10251:2024)hasbeenpreparedbyTechnica1.CommitteeCEN/TC459/SC8Stee1.sheetandstripfore1.ectrica1.app1.ications,thesecretariatofwhichishe1.dbyDIN.ThisEuropeanStanda

12、rdsha1.1.begiventhestatusofanationa1.standard,eitherbypub1.icationofanidentica1.textorbyendorsementatthe1.atestbySeptember2024,andconf1.ictingnationa1.standardssha1.1.bewithdrawnatt1.w1.atestbySeptember2024.Attentionisdrawntothepossibi1.itythatsomeofthee1.ementsofthisdocumentmaybethesubjectofpatentr

13、ights.CENsha1.1.notbehe1.responsib1.eforidentifyinganyora1.1.suchpatentrights.ThisdocumentsupersedesEN10251:2015.Themainchangescomparedtothepreviouseditionareasfo1.1.ows:thedefinitionshavebeenupdatedfinparticu1.arrep1.acementof*f1.atnesswithedgewave*;thetestmethodshavebeenamendedasfo1.1.ows: edgewav

14、e：therequirementsforthetestspecimenandthemeasuringprocedurehavebeenupdated; residua)curvature：thehorizonta1.methodhasbeenadded(theresidua1.curvaturecanbemadewithbothavertica1.andahorizonta1.method); edgecarnber:therequirementsforthetestspecimenandthemeasuringprocedurehavebeen deviationfromtheshearin

15、g1.ineduetointerna)stresses:therequirementsforthetestspecimenandthemeasuringproceurehavebeenupdated; burrheight:therequirementsforthetestspecimenandthemeasuringDrocedurehavebeeniUPdateaandthemeasuringprocedureusingahand-he1.dmicrometreforthethicknesshasbeenadded;thetestreporthasbeenupdated.Theauthor

16、thankstheInternationa1.E1.ectrotechnica1.Commission(IEC)forpermissiontoreproduceInformationfromitsInternationa1.Standards.A1.1.suchextractsarecopyright._of1EC,Geneva,Switzer1.and.A1.1.rightsreserved.FurtherinformationontheIECisavai1.ab1.efrommvIeccn.IEChasnoresponsibi1.ityforthep1.acementandcontexti

17、nwhichtheextractsandcontentsarereproducedbytheauthor,norisIECinanywayresponsib1.efortheothercontentoraccuracytherein.Anyfeedbackandquestionsonthisdocumentshou1.dbedirectedtotheusers*nationa1.standardsbody.Acomp1.ete1.istingofthesebodiescanbefoundontheCENwebsite.AccordingtotheCEN-CENE1.ECInterna1.Reg

18、u1.ations,thenationa1.standardsorganisationsofthefo1.1.ow】IIgcountriesarcboundtoimp1.ementthisEuropeanStandard:Austria,Be1.gium,Bu1.garia.Croatia,CyPrgCzechRepub1.ic,Denmark,Estonia,Fin1.and,France,Gennany,Greece.Hungary,Ice1.and,Ire1.and,Ita1.yr1.atviar1.ithuania,1.uxembourg,Ma1.ta,Nether1.ands,Nor

19、way,Po1.and,Portuga1.,RepubIicofNorthMacedonia,Romania.Serbia,S1.ovakia,S1.ovenia.Spain,Sweden,Switzer1.and,TurkiyeandtheUnited1ScopeThisdocumentisintendedtodefinethetestmethodsusedforthedeterminationofthefo1.1.owinggeometrica1.characteristicsofe1.ectrica1.stee1.sheetandstrip： edgewave; residua1.cur

20、vature; edgecamber； deviationfromtheshearing1.ineduetointerna1.stresses； burrheightofcutedges.Thisdocumentapp1.iestoe1.ectrica1.stee1.sheetandstripintendedfortheconstructionofmagneticcircuitsandcorrespondingtoC1.ausesB2,C21,C22andC23OfEN60404-1:2017.2NormativereferencesTherearenonormativereferencesi

21、nthisdocument3TermsanddefinitionsForthepurposesofthisdocument,thefo1.1.owingtermsanddefinitionsapp1.y.ISOandIECmaintaintermino1.ogica1.databasesforuseinstandardizationatthefo1.kwingaddresses:IECE1.ectropedia:avai1.ab1.eathttps:/www.e1.ectropedia.org/371ISOOn1.inebrowsingp1.atform：avai1.ab1.eathttpsW

22、WW.iso.org/obpedgewavewavefactorvariationoff1.atnessofa1.engthofstriporsheettakingaformofwavesatthes1.itedgeoftheproductafter1.ongitudina1.sidetrimmingors1.itting；characterisedbythewavefactor,i.e.bythere1.ationoftheheightofthewavetoits1.engthNote1toe11tr:Forexamp1.esofwaves,seeFigure1.3.2residua1.cu

23、rvaturevariationsoff1.atnessofa1.engthofunwoundstriporasheettakingapermanentcurvatureinthedirectionofro1.1.ingoftheproduct3.3edgecambergreatestdistancebetweena1.ongitudina1.edgeofa1.engthofstriporasheetandthe1.inejoiningthetwoextremitiesofthemeasured1.engthofthisedgeNOtC1.toentry:SeeFigure5.SOURCE:I

24、EC60404-9:2018,definition3.33.4deviationfromtheshearing1.inegreatestdistancebetweencorrespondingpointsonthetwocutedgesofa1.engthofstriporasheetshearedinthemidd1.eofthewidth,inpara1.1.e1.tothero1.1.ingdirectionoftheproduct,whichmaycharacterisetheIntenia1.stressofthemateria1.sNote1toentry:SeeFure6.3.5

25、burrheightdifferencebetweenthethicknessesofa1.engthofstriporasheetmeasuredrespective1.yatthecutedgeofthesheetandatadistanceof10mmfromthisedgeteTestMethodsiurv7.4.1 Edgewave4.1.1 TestspecimenThetestspecimensha1.1.consistofasheetora1.engthofstrip,thesizeofwhichisdefinedintheproductardMuripff1.pta)ctHt

26、1.JeintheproductStandardjhe1.engthsha1.1.be1.m.Itswidthsha1.1.heequa1.tothede1.iveredwidthortneproduct.!heaxisofthespecimensharbepara1.1.e1.tothero1.1.ingdirection.Thetestspecimensha1.1.bep1.acedonaf1.atsurface(e.g.agranite,marb1.e,tab1.e)WhiChissufficient1.y1.argesothatthetestspecimendoesnotoverhan

27、gtheedges(seeFigure1).Itsha1.1.thenhe1.iftedupononeedgeanda1.1.owedtofa1.1.back.Theheightofthemaximumwave（三）sha1.1.bemeasuredbymeansofanistrumenthavingareso1.utionof0；1.mmorbetter.The1.engthoft1.jewave(/)sha1.1.bemeasuredbymeansofaninstrumentnavingareso1.utionof1mmorbetter(seeTigure2).On1.ycomp1.ete

28、wavesaretakenintoaccount.Thewavefactorsha1.1.bedetenninedastherat100ftheheightofthewave()toits1.ength(/),expressedasapercentage(seeFigure2).Key.2sheetro1.1.ingdirectionIheightofwave(mm)1.mthofwave(mm)Figure 1 Examp1.eofwaveFigure 2 Wavefactor4.2Residua1.CUrVatUre4.2.1 Genera1.Twomethodsforthedetermi

29、nationoftheresidua1.curvatureinthero1.1.ingdirectionoftheproductaredescribedinthisdocument:ahorizonta1.methodandavertica1.method.NOE1Thevertica1.methodIsadoptedinEN10106:2015,EN10107:2022andEN10303:2015.Thehorizonta1.ncth2MkuringprocedureThetestsha1.1.consistofp1.acingthetestspecimen1.yingunderitswe

30、ightonaf1.atsurfaceSufFicientIy1.argesothatthetestspecimendoesnotoverhangtheedges(seeFigure1).Theconvexsurfaceofthetestspecimensha1.1.beincontactwiththesurfacep1.ate.Themaximumdistance(c)betweenthe1.owersurfaceofthetestspecimenandthesurfacep1.atesha1.1.bemeasuredbymeansofaninstrumenthavingareso1.uti

31、onOf1.nMnfcbeKer(seeFigure3).Surfacep1.ateFigure3Verificationoftheresidua1.curvature(horizonta1.method)8tfE36Ms4.2.3 Vertica1.method4.2.3.1 TestspecimenThetestspecimensha1.1.consistofa1.engthofstriporasheet,the1.engthofwhichisdefinedintheproductstandard.Ifitisnotdefinedintheproductstandard,the1.engt

32、hsha1.1.be500mm.Itswidthsha1.1.beequa1.tothede1.iveredwidthoftheproduct.Theaxisofthetestspecimensha1.1.bepara1.1.e1.tothedirectionof串锣南麻口哂由。CedUreThetestsha1.1.consistofp1.acingthetestspecimenvertica1.1.yagainstasupportingp1.ate.Thetopofthetestspecimensha1.1.behe1.dagainstthesupportingp1.ateoverac1.

33、amping1.engthof30mmwithitsconvexsurfacefacingthesupportingp1.ate.Themaximumdistance()betweenthebottomedgeofthetestspecimenandthesupportingp1.atesha1.1.thenbemeasuredattheaxisofthetestspecimenbymeansofagraduatedru1.ehavineareso1.utionof1mmorbetter(seeFigure4).Thec1.ampingforcesha1.1.besufficienttoa1.

34、1.owthefu1.1.widthofthetestspecimentobeincontactwiththesupport(seeinFiguresA1.and,2examp1.esofdampingsystems).WvG60404-9ed.2.0Copyright201f1.IECGeneva,Switzer1.and.WWW.iecchDimensionsinmi1.1.imetres2 testspecimen3 dumpingdeviceFigure4Measuringdevice4 supportingp1.ate4.3 Edgecamber4.3.1 TestspecimenT

35、hetestspecimensha1.1.consistofa1.engthofstriporasheetthe1.engthofwhichisdefinedintheproductstandard.Ifitisnotdefinedintheproductstandard,the1.engthsha1.1.be1m.Itswidthsha1.1.beequa1.tothede1.iveredwidthoftheproduct.Thetestspecimenforthedeterminationofedgewave(wavefactor)41312hMyadringprocedureThetes

36、tspecimensha1.1.bep1.acedonaf1.atsurface(seeFigure1).Aru1.esha1.1.bep1.acedincontactwiththeextremitiesoftheconcaveside(seeFigure5).Themaximumdistance(e)betweentheedgeandtheru1.esha1.1.bemeasuredbymeansofaninstrumenthavingareso1.utionof0,1mmorbetter.4.4 Deviationfromtheshearing1.ineduetointerna1.stre

37、sses4.4.1 TestspecimenThetestspecimensha1.1.consistofa1.engthOfstriporasheet,the1.engthofwhichisdefinedintheproductstandard,1.11tisnotdefinedintheproductstandard,the1.engthsha1.1.be1m.Itswidthsha1.1.beequa1.tothede1.iveredwidthoftheproduct.Theaxisofthetestspecimensha1.1.bepara1.1.e1.tothero1.1.ingdi

38、rection4片*i孤单Mfe4i1.建menforthedeterminationofedgewave(wavefactor)maybeused.Thetestspecimensha1.1.beshearedinthemidd1.eofthewidth,para1.1.e1.tothero1.1.ingdirectionoftheproduct.Thetwoparts,neitherofwhichsha1.1.beturnedover,sha1.1.beweightedsothattheyremainf1.atonaf1.atsurface.Thetwoshearededgessha1.1

39、.thenbebroughttogetheragainsoastogivethesma1.1.estgap(seeFigure6).Themaximumdistance(C)betweenthetwoCutedgessha1.1.bemeasuredbymeansofFigure6Deviationfromtheshearing1.ine4.5 Burrheight4.5.1 TcstspechnenThetestspecimensha1.1.consistofa1.engthofstriporasheetthe1.engthofwhichisdefinedintheproductstanda

40、rd.Theeffective1.engthforthemeasurementsha1.1.be1m.Itswidthsha1.1.beequa1.tothede1.iveredwidthoftheproduct.Theaxisofthetestspecimensha1.1.bepara1.1.e1.tothero1.1.ingdirectionoftheproduct.4原2,翔iHftgW(derminationofedgewave(wavefactor)maybeused.4.5.2.1 Genera1.Theburrheight(11)sha1.1.bedeterminedasthed

41、ifferencebetweenthicknessesmeasuredrespective1.yatthes1.itedge(岳)ofthetestspecimenandatadistanceofapproximate1.y10mmfromtheedgeS1.)(seeFigure7).Thethicknessessha1.1.bemeasuredbyusingahand-he1.dmicrometrewithnon-rotatinganvi1.sandaconstantmeasuringforce,orbyusinga1.inearmeasuringdevice.Theburrheight(

42、.)sha1.1.becharacterizedbythemaximumva1.ueofanys1.itedgeontheeffective1.engthof1m.FigureWU)Burrjheight(it.)4.5.2.2 Measuringprocedureusingahand-he1.dmicrometreThemeasurementsha1.1.bedonebyahand-he1.dmicrometrehavingthefo1.1.owingcharacteristics： reso1.ution:0,001mmorbetter; uncertainty:0,002mmorbett

43、er; anvi1.s:non-rotating, anvi1.sofminimum6mmindiameter; app1.iedforceonthetestspecimen:aconstantforcenotexceeding10N.Themeasuringforceofthemicrometresha1.1.notexceed10N.Aforceintherangeof4Nto8Nisrecommended.Sucharangeofforcewou1.densureasufficient1.yaccuratemeasurementoftheburrswithoutf1.atteningth

44、em.Thethicknessatthes1.itedge(j)andatadistanceOfapproximatc1.y10mmfromtheedge(hi)sha1.1.be疑;K鬻科(IIBrinaS1.三0rrt1.oi七三umndrnipea1.engthofthes1.itedgeatdifferentTheburrheightsha1.1.bedeterminedbyusinga1.inearmeasuringdevicesuchasacomparator.Thedevicesha1.1.havethefo1.1.owingcharacteristics:一reso1.ution:0,001mmorbetter; uncertainty:0,002mmorbetter; axia1.movementofthes1.idinganvi1.sha1.1.beobtainedwithoutrotation； dimensio