ImageVerifierCode 换一换
格式:PDF , 页数:20 ,大小:231.46KB ,
资源ID:725234      下载积分:10000 积分
快捷下载
登录下载
邮箱/手机:
温馨提示:
如需开发票,请勿充值!快捷下载时,用户名和密码都是您填写的邮箱或者手机号,方便查询和重复下载(系统自动生成)。
如填写123,账号就是123,密码也是123。
特别说明:
请自助下载,系统不会自动发送文件的哦; 如果您已付费,想二次下载,请登录后访问:我的下载记录
支付方式: 支付宝扫码支付 微信扫码支付   
注意:如需开发票,请勿充值!
验证码:   换一换

加入VIP,免费下载
 

温馨提示:由于个人手机设置不同,如果发现不能下载,请复制以下地址【http://www.mydoc123.com/d-725234.html】到电脑端继续下载(重复下载不扣费)。

已注册用户请登录:
账号:
密码:
验证码:   换一换
  忘记密码?
三方登录: 微信登录  

下载须知

1: 本站所有资源如无特殊说明,都需要本地电脑安装OFFICE2007和PDF阅读器。
2: 试题试卷类文档,如果标题没有明确说明有答案则都视为没有答案,请知晓。
3: 文件的所有权益归上传用户所有。
4. 未经权益所有人同意不得将文件中的内容挪作商业或盈利用途。
5. 本站仅提供交流平台,并不能对任何下载内容负责。
6. 下载文件中如有侵权或不适当内容,请与我们联系,我们立即纠正。
7. 本站不保证下载资源的准确性、安全性和完整性, 同时也不承担用户因使用这些下载资源对自己和他人造成任何形式的伤害或损失。

版权提示 | 免责声明

本文(EN ISO 14327-2004 en Resistance welding - Procedures for determining the weldability lobe for resistance spot projection and seam welding《电阻焊接 电阻点焊 凸焊和缝焊用可焊性瓣轮的测定规程 ISO 14327-2004》.pdf)为本站会员(brainfellow396)主动上传,麦多课文库仅提供信息存储空间,仅对用户上传内容的表现方式做保护处理,对上载内容本身不做任何修改或编辑。 若此文所含内容侵犯了您的版权或隐私,请立即通知麦多课文库(发送邮件至master@mydoc123.com或直接QQ联系客服),我们立即给予删除!

EN ISO 14327-2004 en Resistance welding - Procedures for determining the weldability lobe for resistance spot projection and seam welding《电阻焊接 电阻点焊 凸焊和缝焊用可焊性瓣轮的测定规程 ISO 14327-2004》.pdf

1、BRITISH STANDARD BS EN ISO 14327:2004 Resistance welding Procedures for determining the weldability lobe for resistance spot, projection and seam welding The European Standard EN ISO 14327:2004 has the status of a British Standard ICS 25.160.10 BS EN ISO 14327:2004 This British Standard was publishe

2、d under the authority of the Standards Policy and Strategy Committee on 11 June 2004 BSI 11 June 2004 ISBN 0 580 43911 9 National foreword This British Standard is the official English language version of EN ISO 14327:2004. It is identical with ISO 14327:2004. The UK participation in its preparation

3、 was entrusted to Technical Committee WEE/29, Resistance welding, which has the responsibility to: A list of organizations represented on this committee can be obtained on request to its secretary. Cross-references The British Standards which implement international or European publications referred

4、 to in this document may be found in the BSI Catalogue under the section entitled “International Standards Correspondence Index”, or by using the “Search” facility of the BSI Electronic Catalogue or of British Standards Online. This publication does not purport to include all the necessary provision

5、s of a contract. Users are responsible for its correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. aid enquirers to understand the text; present to the responsible international/European committee any enquiries on the interpretation, or

6、proposals for change, and keep the UK interests informed; monitor related international and European developments and promulgate them in the UK. Summary of pages This document comprises a front cover, an inside front cover, the EN ISO title page, pages 2 to 17 and a back cover. The BSI copyright not

7、ice displayed in this document indicates when the document was last issued. Amendments issued since publication Amd. No. Date CommentsEUROPEANSTANDARD NORMEEUROPENNE EUROPISCHENORM ENISO14327 April2004 ICS25.160.10 Englishversion ResistanceweldingProceduresfordeterminingtheweldability lobeforresista

8、ncespot,projectionandseamwelding(ISO 14327:2004) SoudageparrsistanceModesopratoirespourla dterminationdudomainedesoudabilitpourlesoudage parrsistanceparpoints,parbossagesetlamolette (ISO14327:2004) WiderstandsschweienVerfahrenfrdasBestimmendes SchweibereichsdiagrammsfrdasWiderstandspunkt, BuckelundR

9、ollennahtschweien(ISO14327:2004) ThisEuropeanStandardwasapprovedbyCENon17December2003. CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEurope an Standardthestatusofanationalstandardwithoutanyalteration.Uptodatelistsandbibliographicalreferencesco

10、ncernings uchnational standardsmaybeobtainedonapplicationtotheCentralSecretariatortoanyCENmember. ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).Aversioninanyotherlanguagemadebytra nslation undertheresponsibilityofaCENmemberintoitsownlanguageandnotifiedtotheCentralSecretari

11、athasthesamestatusast heofficial versions. CENmembersarethenationalstandardsbodiesofAustria,Belgium,Cyprus,CzechRepublic,Denmark,Estonia,Finland,France, Germany,Greece,Hungary,Iceland,Ireland,Italy,Latvia,Lithuania,Luxembourg,Malta,Netherlands,Norway,Poland,Portugal, Slovakia, Slovenia,Spain,Sweden,

12、SwitzerlandandUnitedKingdom. EUROPEANCOMMITTEEFORSTANDARDIZATION COMITEUROPENDENORMALISATION EUROPISCHESKOMITEEFRNORMUNG ManagementCentre:ruedeStassart,36B1050Brussels 2004CEN Allrightsofexploitationinanyformandbyanymeansreserved worldwideforCENnationalMembers. Ref.No.ENISO14327:2004:EENISO14327:200

13、4(E) 2 Contents page Foreword3 Introduction .4 1 Scope 5 2 Normativereferences 5 3 Termsanddefinitions. .6 4 Weldabilitylobelimits . 6 5 Testequipment 7 5.1 Weldingelectrodes 7 5.2 Weldingmachine. .8 6 Weldingprocedure . .8 6.1 Spotorprojectionwelding 8 6.2 Seamwelding .9 7 Statisticalevaluationofte

14、stresults 10 8 Reportoftestresults .10 Bibliography 17ENISO14327:2004(E) 3 Foreword Thisdocument(ENISO14327:2004)hasbeenpreparedbyTechnicalCommitteeCEN/TC121“Welding“,the secretariatofwhichisheldbyDIN,incollaborationwithTechnicalCommitteeISO/TC44“Weldingandallied processes“. This EuropeanSt andard s

15、hall be giventh e status of a nationalst andard, either by publication ofaniden ticaltextor byendorsement,atthelatestbyOctober2004,andconflictingnationalstandardsshallbewithdrawnatthe latest by October 2004. AccordingtotheCEN/CENELECInternalRegulations,thenationalstandardsorganizationsofthefollowing

16、 countriesareboundtoimplementthisEuro peanStandard:Austria,Belgium,Cyprus,CzechRepublic,Denmark, Estonia, Finland,France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway,P oland,Port ugal,Sl ovakia,Slov enia,S pain, Sweden,Swi tzerlandandU

17、nitedKin gdom.ENISO14327:2004(E) 4 Introduction ThisEuropeanStandardenablestheweldabilitylobetobedeterminedforresistancespot,projectionandseam welding.Thisstandarddoesnotinvalidateproceduresforthedeterminationoftheweldabilitylobeortheirapproval documentsincurrentusewhichcompliedwiththenationalorInte

18、rnationalStandardsorregulationsexistingatthat time,providedtheintentofthetechnicalrequirementissatisfiedandthespecifiedapplication,itsperformanceand equipmentwithwhichitisperformedremainunchanged. Whenthisstandardisreferencedforcontractualpurposes,allquestionsrelatingtothespecificationand implementa

19、tionofweldingproceduresshouldbeagreedbetweenthecontactingpartiesatthetimeofenquiryorat thecontractstage. Ithasbeenassumedinthisstandardthattheexecutionofitsprovisionsisentrustedtoappropriatelytrained,skilled andexperiencedpersonnel. ForthequalityofweldedstructurestherelevantpartofENISO14554shouldbea

20、pplicable.Thespecificationof proceduresshouldfollowguidelinesasinENISO156095.ENISO14327:2004(E) 5 1Scope ThisEuropeanStandardspecifiesproceduresfordeterminingtheweldabilitylobeforproducingqualitywelds.The testsareusedinparticulartodeterminetheweldabilitylobeforcoated/uncoatedsteels,stainlesssteelsan

21、d aluminiumanditsalloysbutmayalsobeusedforothermetallicmaterials. Theaimofthisprocedureistoallowdeterminationoftherangeofweldingparameterswhichgiverisetoan acceptableweldqualityasdefinedwithinpreciselimits.Theprocedurecanbeusedtodetermine: a) Theinfluenceofelectrodematerial,electrodeshapeanddimensio

22、nsontheavailableweldingrangefora particularmaterialandweldingmachine. b) Theinfluenceofmaterialtypeandthicknessontheavailableweldingrangewhenusingaparticularcombination ofweldingelectrodesandweldingmachine. c) Theinfluenceofweldingmachinetype,orelectrodecoolingontheavailableweldingrangeforaparticula

23、r materialusingaparticularelectrodeshape. d) Theavailableweldingrangeinaproductionsituation. 2 Normativereferences ThisEuropeanStandardincorporatesbydatedorundatedreference,provisionsfromotherpublications.These normativereferencesarecitedattheappropriateplacesinthetext,andthepublicationsarelistedher

24、eafter.For datedreferences,subsequentamendmentstoorrevisionsofanyofthesepublicationsapplytothisEuropean Standardonlywhenincorporatedinitbyamendmentorrevision.Forundatedreferencesthelatesteditionofthe publicationreferredtoapplies(includingamendments). ENISO14329:2003, Resistancewelding Destructivetes

25、tsofwelds Failuretypesandgeometric measurementsforresistancespot,seamandprojectionwelds(ISO14329:2003). ENISO156095:2004, Specificationandqualificationofweldingproceduresformetallicmaterials Welding procedurespecificationPart5:Resistancewelding(ISO1 56095:2004). ISO669:2000, ResistanceweldingResista

26、nceweldingequipmentMechanicalandelectricalrequirements. ISO693, Dimensionsofseamweldingwheelblanks. ISO5182, WeldingMaterialsforresistanceweldingelectrodesandancillaryequipment. EN25184, Straightresistancespotweldingelectrodes(ISO5184:1979). EN25821, Resistancespotweldingelectrodecaps(ISO5821:1979).

27、 ISO5830, ResistancespotweldingMaleelectrodecaps. EN28167, Projectionsforresistancewelding(ISO8167:1989). ISO/DIS14373, ResistanceweldingProcedureforspotweldingofuncoatedandcoatedlowcarbonsteels.ENISO14327:2004(E) 6 3 Termsanddefinitions ForthepurposesofthisEuropeanStandard,thetermsanddefinitionsgiv

28、eninISO 669:2000and ENISO14329:2003,andthefollowingapply. NOTE FurtherdefinitionsaregiveninISO/DIS176571(seeBibliography) weldabilitylobe weldingcurrentdomainallowingtheproductionwithoutsplashofspotweldsofadiameterequalormorethana predeterminedvalueundereitherconstantweldingtimeorconstantelectrodefo

29、rce 4 Weldabilitylobelimits Theweldabilitylobewilldefinetheavailableweldingconditionsintermsof: a) Weldcurrentandtimeataconstantelectrodeforce.Or: b) Weldcurrentandelectrodeforceataconstantweldtime. Inthecaseofresistanceseamwelding,weldingspeed(m/min)isusedinsteadofweldtime. Tomeettheserequirements,

30、theweldabilitylobescanbeatwodimensionalplotasindicatedina)andb)aboveora threedimensionalplotindicatingtheinterrelationshipbetweenweldtime(weldingspeedinthecaseofseam welding),weldingcurrentandelectrodeforce. Forthepurposeofthisstandard,thelowerandupperlimitsoftheweldabilitylobeshouldbeasfollows: 1)

31、LowerlimitThisequatestotheweldingconditionswhichresultinawelddiameterequalto3,5 twhere tequal sheetthicknessinmm.Inthecaseoftwodissimilarthicknesses,“ t“referstothethinnersheet. NOTE1 Alimitotherthan3,5 tmaybeacceptablebyagreementbetweencontractingpartiesprovidedthestrengthoftheweld orweldedassembly

32、satisfythenecessarydesignrequirements. NOTE2 GuidelinesformeasuringwelddiameterforbothplugandinterfacefailurearegiveninENISO14329.Theweld diametershouldbemeasuredfromabrokenspecimen,e.g.peeltest. NOTE3 In3or4thicknessweldingtheminimumofthediameterspecifiedwilldependonthepositionofthethinnersheets fr

33、omdesignprocessrequirements. 2) UpperlimitThiscorrespondstotheweldingconditionswhichgiverisetointerfacialsplashinthecaseofspot andprojectionwelding.Inseamweldingthelimitcorrespondstosurfacesplashorsurfacecrackingintheweldor heataffectedzoneareas. NOTE4 Alternativecriteriamaybespecified,suchasthemini

34、mumvalueoftheshearforcethattheweldcanwithstandbased onrecommendationsmadeinISOorproductstandardsinthecaseofcoated/uncoatedsteels.Minimumsurfaceindentationorthe amountofweldnuggetpenetrationcanbespecifiedbyagreement. Inthecaseofresistanceseamwelding,otherintermediatelimitsmaybechosenbasedonalternativ

35、eweldsizesor theonsetofsurfacecracking.Theuseofsuchlimitsdependontheapplicationbeingweldedandshouldbeby agreementbetweencontractingparties. TypicalweldabilitylobesareshowninFigure1.ENISO14327:2004(E) 7 5 Testequipment 5.1 Weldingelectrodes 5.1.1 General Theweldingelectrodesshallconformtoalloysspecif

36、iedinISO5182unlessotherwiseagreedbetweencontracting parties.Electrodesshouldbeofsufficientcrosssectionalareaandstrengthtocarrytheweldingcurrentandelectrode forcewithoutoverheating,deformationorexcessivedeflection. 5.1.2 Spotwelding Inthecaseofspotwelding,theelectrodedimensionsshallconformtotherequir

37、ementsofISO5184,ISO5821and ISO5830whereapplicable.Alternativeelectrodeshapesanddimensionsmaybeusedbyagreementbetween contractingparties.Preconditionedelectrodesshouldbeusedforeachindividualweldabilitylobedetermined. Electrodesshallbepreconditionedassummarisedbelow.Whereappropriate,dimensionsofthewat

38、ercooling holesandpipesshallcomplywiththerelevantrequirementsoftheappropriateISOstandard. NOTE Itisrecommendedthatthewaterflowshouldbeaminimumof4l/minperelectrodealthough,higherflowratesare recommendedwhenweldingcoatedsteels.Thewatercoolingfeedtubeshouldbearrangedtoimpingethewaterontotheback faceoft

39、heelectrode.Thedistancebetweenthebackandtheworkingfaceoftheelectrodeshouldnotexceedthevaluesgiveni n theappropriateISOstandard.Separatewatersuppliesshouldbeusedfortopandbottomelectrodesandshouldbeindependentof othercoolingcircuits.Itisrecommendedthattheinletwatertemperatureshouldnotexceed20 C(293 K)

40、andtheoutlet temperatureshouldnotexceed30 C(303K)(exceptwhenwatercoolingtemperatureistheparameterbeingstudied).Higher inlet/outletwatertemperaturescanbeusedbyagreementbetweencontractingparties. Bothtopandbottomelectrodesshallbeproperlyalignedpriortocommencementofthetest.Theelectrodefaceofthe topandb

41、ottomelectrodesshouldbeparalleltoeachotherandhaveanelectrodediameterthatiswithinthespecified tolerancesofthediametercalledforanygivensheetthicknessorthatagreedbetweenthecontractingparties. Alignmentofelectrodesshouldbecheckedusingcarbonimprints. Whenweldinguncoated/coatedsteelsandstainlesssteels,the

42、weldingelectrodesshouldbepreconditionedfor 50weldspriortodeterminingtheweldabilitylobe.Preconditioningshouldbecarriedoutatanominalweldtimeof approximatelye.g.8cyclesat50Hzonuncoatedsheetsinthesamematerialandwiththesamethickness.Forpre conditioningaweldingcurrentequaltothatwhichgivesastuckweldconditi

43、onoraweldofdiameterequalto3 t shouldbeused.Whenweldingaluminiumandaluminiumalloys,preconditioningofelectrodesshouldnotbecarried out. 5.1.3 Seamwelding Inthecaseofwidewheelseamwelding,theelectrodefacedimensionsshallconformwiththerequirementsof ISO693andfollowsimilarcriteriaasusedforspotwelding,i.e.treadwidthequal5 t.However,forthinwheelseam welding,alternativeelectrodedimensions,i.e.electrodethicknessandfacedimensions,maybeusedbyagreement betweencontractingparties.Theweldingwheelsshouldbepreconditi

copyright@ 2008-2019 麦多课文库(www.mydoc123.com)网站版权所有
备案/许可证编号:苏ICP备17064731号-1