DIN EN ISO 18278-1-2015 Resistance welding - Weldability - Part 1 General requirements for the evaluation of weldability for resistance spot seam and projection welding of metallic.pdf

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1、August 2015 Translation by DIN-Sprachendienst.English price group 11No part of this translation may be reproduced without prior permission ofDIN Deutsches Institut fr Normung e. V., Berlin. Beuth Verlag GmbH, 10772 Berlin, Germany,has the exclusive right of sale for German Standards (DIN-Normen).ICS

2、 25.160.10!%DVG“2335136www.din.deDDIN EN ISO 18278-1Resistance welding Weldability Part 1: General requirements for the evaluation of weldability forresistance spot, seam and projection welding of metallic materials(ISO 18278-1:2015);English version EN ISO 18278-1:2015,English translation of DIN EN

3、ISO 18278-1:2015-08Widerstandsschweien Schweieignung Teil 1: Allgemeine Anforderungen an die Bewertung der Schweieignung vonWiderstandspunkt-, Rollennaht- und Buckelschweien von metallischen Werkstoffen(ISO 18278-1:2015);Englische Fassung EN ISO 18278-1:2015,Englische bersetzung von DIN EN ISO 18278

4、-1:2015-08Soudage par rsistance Soudabilit Partie 1: Exigences gnrales pour lvaluation de la soudabilit pour le soudage parrsistance par points, la molette et par bossages des matriaux mtalliques(ISO 18278-1:2015);Version anglaise EN ISO 18278-1:2015,Traduction anglaise de DIN EN ISO 18278-1:2015-08

5、SupersedesDIN EN ISO 18278-1:2005-02www.beuth.deDocument comprises 18 pagesIn case of doubt, the German-language original shall be considered authoritative.071155 DIN EN ISO 18278-1:2015-08 2 A comma is used as the decimal marker. National foreword This document (EN ISO 18278-1:2015) has been prepar

6、ed by Technical Committee ISO/TC 44 “Welding and allied processes” (Secretariat AFNOR, France) in collaboration with Technical Committee CEN/TC 121 “Welding and allied processes” (Secretariat: DIN, Germany). The responsible German body involved in its preparation was the DIN-Normenausschuss Schweien

7、 und verwandte Verfahren (DIN Standards Committee Welding and Allied Processes), Working Committee NA 092-00-12 AA Widerstandsschweien (DVS AG V 3). The DIN Standards corresponding to the International Standards referred to in this document are as follows: ISO 693 DIN ISO 693 ISO 669 DIN EN ISO 669

8、ISO 5182 DIN EN ISO 5182 ISO 5821 DIN EN ISO 5821 ISO 8167 DIN EN 28167 ISO 10447 DIN EN ISO 10447 ISO 14270 DIN EN ISO 14270 ISO 14271 DIN EN ISO 14271 ISO 14272 DIN EN ISO 14272 ISO 14273 DIN EN ISO 14273 ISO 14323 DIN EN ISO 14323 ISO 14324 DIN EN ISO 14324 ISO 14373:2006 DIN EN ISO 14373:2007-09

9、 ISO 14554-1 DIN EN ISO 14554-1 ISO 14554-2 DIN EN ISO 14554-2 ISO 15609-5 DIN EN ISO 15609-5 ISO 15614-12 DIN EN ISO 15614-12 ISO 15614-13 DIN EN ISO 15614-13 ISO 16432 DIN EN ISO 16432 ISO 16433 DIN EN ISO 16433 ISO 17653 DIN EN ISO 17653 ISO 17654 DIN EN ISO 17654 ISO 17657-2 DIN EN ISO 17657-2 I

10、SO 17677-1 DIN EN ISO 17677-1 ISO 18278-2 DIN EN ISO 18278-2 ISO 18592 DIN EN ISO 18592 ISO/TR 581:2005 DIN Fachbericht ISO/TR 581:2007-04 Amendments This standard differs from DIN EN ISO 18278-1:2005-02 as follows: a) the standard has been editorially and technically revised; b) normative reference

11、s have been updated. Previous editions DIN EN ISO 18278: 2005-02 DIN EN ISO 18278-1:2015-08 3 National Annex NA (informative) Bibliography DIN EN 28167, Projections for resistance welding DIN EN ISO 669, Resistance welding Resistance welding equipment Mechanical and electrical requirements DIN EN IS

12、O 5182, Resistance welding Materials for electrodes and ancillary equipment DIN EN ISO 5821, Resistance welding Spot welding electrode caps DIN EN ISO 10447, Resistance welding Peel and chisel testing of resistance spot and projection welds DIN EN ISO 14270, Specimen dimensions and procedure for mec

13、hanized peel testing resistance spot, seam and embossed projection welds DIN EN ISO 14271, Resistance welding Vickers hardness testing (low-force and microhardness) of resistance spot, projection and seam welds DIN EN ISO 14272, Specimen dimensions and procedure for cross tension testing resistance

14、spot and embossed projection welds DIN EN ISO 14273, Specimen dimensions and procedure for shear testing resistance spot, seam and embossed projection welds DIN EN ISO 14323, Resistance welding Destructive testing of welds Specimen dimensions and procedure for impact tensile shear test and cross-ten

15、sion testing of resistance spot and embossed projection welds DIN EN ISO 14324, Resistance spot welding Destructive tests of welds Method for the fatigue testing of spot welded joints DIN EN ISO 14373:2007-09, Resistance welding Procedure for spot welding of uncoated and coated low carbon steels DIN

16、 EN ISO 14554-1, Quality requirements for welding Resistance welding of metallic materials Part 1: Comprehensive quality requirements DIN EN ISO 14554-2, Quality requirements for welding Resistance welding of metallic materials Part 2: Elementary quality requirements DIN EN ISO 15609-5, Specificatio

17、n and qualification of welding procedures for metallic materials Welding procedure specification Part 5: Resistance welding DIN EN ISO 15614-12, Specification and qualification of welding procedures for metallic materials Welding procedure test Part 12: Spot, seam and projection welding DIN EN ISO 1

18、5614-13, Specification and qualification of welding procedures for metallic materials Welding procedure test Part 13: Upset (resistance butt) and flash welding DIN EN ISO 18278-1:2015-08 4 DIN EN ISO 16432, Resistance welding Procedure for projection welding of uncoated and coated low carbon steels

19、using embossed projection(s) DIN EN ISO 16433, Resistance welding Procedure for seam welding of uncoated and coated low carbon steels DIN EN ISO 17653, Resistance welding Destructive tests on welds in metallic materials Torsion test of resistance spot welds DIN EN ISO 17654, Resistance welding Destr

20、uctive tests of welds Pressure test of resistance seam welds DIN EN ISO 17657-2, Resistance welding Welding current measurement for resistance welding Part 2: Welding current meter with current sensing coil DIN EN ISO 17677-1, Resistance welding Vocabulary Part 1: Spot, projection and seam welding D

21、IN EN ISO 18278-2, Resistance welding Weldability Part 2: Alternative procedures for the assessment of sheet steels for spot welding DIN EN ISO 18592, Resistance welding Destructive testing of welds Method for the fatigue testing of multi-spot-welded specimens DIN-Fachbericht ISO/TR 581:2007-04, Wel

22、dability Metallic materials General principles DIN ISO 693, Dimensions of seam welding wheel blanks EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN ISO 18278-1 April 2015 ICS 25.160.01 Supersedes EN ISO 18278-1:2004English Version Resistance welding - Weldability - Part 1: General requirements

23、for the evaluation of weldability for resistance spot, seam and projection welding of metallic materials (ISO 18278-1:2015) Soudage par rsistance - Soudabilit - Partie 1: Exigences gnrales pour lvaluation de la soudabilit pour le soudage par rsistance par points, la molette et par bossages des matri

24、aux mtalliques (ISO 18278-1:2015) Widerstandsschweien - Schweieignung -Allgemeine Anforderungen an die BewertungderRollennaht- und Buckelschweien von metallischen Werkstoffen (ISO 18278-1:2015) This European Standard was approved by CEN on 17 January 2015. CEN members are bound to comply with the CE

25、N/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN-CENELEC Management Ce

26、ntre or to any CEN member. This European Standard exists in three official versions (English, French, German). A version in any other language made by translation under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC Management Centre has the same status as t

27、he official versions. CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Nethe

28、rlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels 2015 CEN All rig

29、hts of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN ISO 18278-1:2015 ETeil 1: Schweieignung von Widerstandspunkt-,Foreword .31 Scope . 42 Normative references 43 Terms and definitions . 64 Weldability 64.1 Weldability of a component . 64.1.1 Gene

30、ral 64.1.2 Metallurgical weldability 64.1.3 Operative weldability . 64.1.4 Constructional weldability 64.2 Criteria for the evaluation of weldability . 65 Preparation of welding equipment . 75.1 Welding machine . 75.2 Welding electrodes 75.2.1 General 75.2.2 Spot welding 75.2.3 Seam welding 75.2.4 P

31、rojection welding . 85.3 Measurement of parameters . 85.3.1 Welding current 85.3.2 Electrode force . 86 Test procedures . 86.1 General . 86.2 Basic test procedures 86.2.1 Essential variables 86.2.2 Welding current range test . 96.2.3 Electrode life test . 96.3 Evaluation of weld properties . 106.3.1

32、 General. 106.3.2 Shop floor tests . 106.3.3 Tensile shear testing 106.3.4 Mechanized peel testing . 106.3.5 Cross tension testing . 106.3.6 Macro-sections and hardness test . 116.3.7 Further weld properties . 117 Test report 117.1 General 117.2 Welding current range test 117.3 Electrode life test .

33、 11Annex A (informative) How to evaluate the mass and friction of the welding head 13Bibliography .14Contents PageEN ISO 18278-1:2015 (E) DIN EN ISO 18278-1:2015-08 2 Foreword This document (EN ISO 18278-1:2015) has been prepared by Technical Committee ISO/TC 44 “Welding and allied processes” in col

34、laboration with Technical Committee CEN/TC 121 “Welding and allied processes” the secretariat of which is held by DIN. This European Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by October 2015, and conflicting

35、 national standards shall be withdrawn at the latest by October 2015. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN and/or CENELEC shall not be held responsible for identifying any or all such patent rights. This document su

36、persedes EN ISO 18278-1:2004. According to the CEN-CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Repu

37、blic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. Endorsement notice The text of ISO 18278-1:2015 has been

38、approved by CEN as EN ISO 18278-1:2015 without any modification. EN ISO 18278-1:2015 (E) DIN EN ISO 18278-1:2015-08 3 1 ScopeThis part of ISO 18278 specifies procedures for assessing the generic weldability for resistance welding of uncoated and coated metals.It is assumed for this and other linked

39、standards that their application is entrusted to appropriately trained, skilled, and experienced personnel.For the quality of welded structures, the relevant part of ISO 14554 is applicable. The specification of procedures is to follow guidelines as in ISO 15609-5.The purpose of the tests are toa) c

40、ompare the metallurgical weldability of different metals,b) assess the weldability of differing component designs, e.g. dimensional configuration, stack-up, projection geometry, etc.,c) investigate the effect of changes in welding parameters such as welding current, weld time, electrode force or com

41、plex welding schedules including pulse welding, current stepping etc. on weldability, and/ord) compare the performance of resistance welding equipment.Precise details of the test procedure to be used will depend on which aspect of items a) to d) will be evaluated relative to the welding result obtai

42、ned.2 Normative referencesThe following documents, in whole or in part, are normatively referenced in this document and are indispensable for its application. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any am

43、endments) applies.ISO 669, Resistance welding Resistance welding equipment Mechanical and electrical requirementsISO 693, Dimensions of seam welding wheel blanksISO 5182, Resistance welding Materials for electrodes and ancillary equipmentISO 5821, Resistance welding Spot welding electrode capsISO 81

44、67, Projections for resistance weldingISO 10447, Resistance welding Peel and chisel testing of resistance spot and projection weldsISO 14270, Resistance welding Destructive testing of welds Specimen dimensions and procedure for mechanized peel testing resistance spot, seam and embossed projection we

45、ldsEN ISO 18278-1:2015 (E) DIN EN ISO 18278-1:2015-08 4 ISO 14271, Resistance welding Vickers hardness testing (low-force and microhardness) of resistance spot, projection, and seam weldsISO 14272, Resistance welding Destructive testing of welds Specimen dimensions and procedure for cross tension te

46、sting of resistance spot and embossed projection weldsISO 14273, Resistance welding Destructive testing of welds Specimen dimensions and procedure for tensile shear testing resistance spot, seam and embossed projection weldsISO 14323, Resistance welding Destructive testing of welds Specimen dimensio

47、ns and procedure for impact tensile shear test and cross-tension testing of resistance spot and embossed projection weldsISO 14324, Resistance spot welding Destructive tests of welds Method for the fatigue testing of spot welded jointsISO 15609-5, Specification and qualification of welding procedures for metallic materials Welding procedure specification Part 5: Resistance weldingISO 15614-12, Specification and qualification of welding procedures for metallic materials Weldi