BS EN ISO 15609-4-2009 Specification and qualification of welding procedures for metallic materials - Welding procedure specification - Part 4 Laser beam welding (ISO 15609-4 2009).pdf

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9、g7g22g14g8g3g22g23g3g13g3g37g22g14g11g10g13g37g11g36g3g17g8g16g10g8g3g13g10g16g3g10g16g8g20g22g14g8g7g49g21g16g3g23g22g10g3g7g11g8g3g37g22g10g10g16g37g11g3g13g20g20g21g7g37g13g11g7g22g14g36g30g22g31g32g24g21g19g23g33g27g3g28g21g20g34g3g19g3g5g26g21g20g21g35g34g3g6g20g19g23g29g19g26g29g3g33g19g23g23g

10、22g20g3g33g22g23g25g27g26g3g21g31g31g36g23g21g20g37g3g25g26g22g31g3g24g27g38g19g24g3g22g39g24g21g38g19g20g21g22g23g35g40EUROPEAN STANDARDNORME EUROPENNEEUROPISCHE NORMEN ISO 15609-4May 2009ICS 25.160.10 Supersedes EN ISO 15609-4:2004 English VersionSpecification and qualification of welding procedur

11、es for metallicmaterials - Welding procedure specification - Part 4: Laser beamwelding (ISO 15609-4:2009)Descriptif et qualification dun mode opratoire de soudagepour les matriaux mtalliques - Descriptif dun modeopratoire de soudage - Partie 4: Soudage par faisceaulaser (ISO 15609-4:2009)Anforderung

12、 und Qualifizierung von Schweiverfahren frmetallische Werkstoffe - Schweianweisung - Teil 4:Laserstrahlschweien (ISO 15609-4:2009)This European Standard was approved by CEN on 14 May 2009.CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giv

13、ing this EuropeanStandard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such nationalstandards may be obtained on application to the CEN Management Centre or to any CEN member.This European Standard exists in three official versi

14、ons (English, French, German). A version in any other language made by translationunder the responsibility of a CEN member into its own language and notified to the CEN Management Centre has the same status as theofficial versions.CEN members are the national standards bodies of Austria, Belgium, Bu

15、lgaria, Cyprus, Czech Republic, Denmark, Estonia, Finland,France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal,Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom.EUROPEAN COMMITTEE FOR STANDARDI

16、ZATIONCOMIT EUROPEN DE NORMALISATIONEUROPISCHES KOMITEE FR NORMUNGManagement Centre: Avenue Marnix 17, B-1000 Brussels 2009 CEN All rights of exploitation in any form and by any means reservedworldwide for CEN national Members.Ref. No. EN ISO 15609-4:2009: EBS EN ISO 15609-4:2009EN ISO 15609-4:2009

17、(E) 3 Foreword This document (EN ISO 15609-4:2009) has been prepared by Technical Committee ISO/TC 44 “Welding and allied processes“ in collaboration with Technical Committee CEN/TC 121 “Welding” the secretariat of which is held by DIN. This European Standard shall be given the status of a national

18、standard, either by publication of an identical text or by endorsement, at the latest by November 2009, and conflicting national standards shall be withdrawn at the latest by November 2009. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent

19、rights. CEN and/or CENELEC shall not be held responsible for identifying any or all such patent rights. This document supersedes EN ISO 15609-4:2004. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this Europea

20、n Standard: Austria, Belgium, Bulgaria, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Ki

21、ngdom. Endorsement notice The text of ISO 15609-4:2009 has been approved by CEN as a EN ISO 15609-4:2009 without any modification. BS EN ISO 15609-4:2009ISO 15609-4:2009(E) ISO 2009 All rights reserved iiiContents Page Foreword iv 1 Scope . 1 2 Normative references . 1 3 Terms and definitions. 1 4 T

22、echnical content of welding procedure specification. 3 4.1 General. 3 4.2 Welding process . 3 4.3 Manufacturer . 4 4.4 Equipment . 4 4.5 Parent materials 5 4.6 Filler or other additional material(s) . 5 4.7 Joint design. 5 4.8 Joint and surface preparation . 5 4.9 Jigs, fixtures and tooling . 6 4.10

23、 Welding position. 6 4.11 Backing 6 4.12 Welding technique 6 4.13 Welding parameters 6 4.14 Preheating and post-weld heat treatment 7 4.15 Operations after welding 7 Annex A (informative) Examples of welding procedure specification 8 Bibliography . 13 BS EN ISO 15609-4:2009ISO 15609-4:2009(E) iv ISO

24、 2009 All rights reservedForeword ISO (the International Organization for Standardization) is a worldwide federation of national standards bodies (ISO member bodies). The work of preparing International Standards is normally carried out through ISO technical committees. Each member body interested i

25、n a subject for which a technical committee has been established has the right to be represented on that committee. International organizations, governmental and non-governmental, in liaison with ISO, also take part in the work. ISO collaborates closely with the International Electrotechnical Commis

26、sion (IEC) on all matters of electrotechnical standardization. International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 2. The main task of technical committees is to prepare International Standards. Draft International Standards adopted by the technical

27、 committees are circulated to the member bodies for voting. Publication as an International Standard requires approval by at least 75 % of the member bodies casting a vote. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. ISO shall

28、 not be held responsible for identifying any or all such patent rights. ISO 15609-4 was prepared by Technical Committee ISO/TC 44, Welding and allied processes, Subcommittee SC 10, Unification of requirements in the field of metal welding. This second edition cancels and replaces the first edition (

29、ISO 15609-4:2004), which has been technically revised. ISO 15609 consists of the following parts, under the general title Specification and qualification of welding procedures for metallic materials Welding procedure specification: g127 Part 1: Arc welding g127 Part 2: Gas welding g127 Part 3: Elect

30、ron beam welding g127 Part 4: Laser beam welding g127 Part 5: Resistance welding The following part is planned: g127 Part 6: Laser arc hybrid welding Requests for official interpretations of any aspect of this part of ISO 15609 should be directed to the Secretariat of ISO/TC 44/SC 10 via your nation

31、al standards body, a complete listing of which can be found at www.iso.org. BS EN ISO 15609-4:2009INTERNATIONAL STANDARD ISO 15609-4:2009(E) ISO 2009 All rights reserved 1Specification and qualification of welding procedures for metallic materials Welding procedure specification Part 4: Laser beam w

32、elding 1 Scope This part of ISO 15609 specifies requirements for the content of the welding procedure specification (WPS) for laser beam welding processes, including overlay welding. It is not applicable to other processes for cladding (e.g. thermal spraying). This part of ISO 15609 is part of a ser

33、ies of standards, and details of this series are given in ISO 15607:2003, Annex A. Variables listed in this part of ISO 15609 are those influencing the quality and properties of the welded joint. The dimensions mentioned in this part of ISO 15609 influence the metallurgical and mechanical qualities,

34、 the geometry of the structural member and other important performance properties. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the

35、 referenced document (including any amendments) applies. ISO 4063, Welding and allied processes Nomenclature of processes and reference numbers ISO 6947, Welds Working positions Definitions of angles of slope and rotation ISO 14175, Welding consumables Gases and gas mixtures for fusion welding and a

36、llied processes ISO 15607:2003, Specification and qualification of welding procedures for metallic materials General rules ISO/TR 25901:2007, Welding and related processes Vocabulary 3 Terms and definitions For the purposes of this document, the terms and definitions given in ISO 15607:2003, ISO/TR

37、25901:2007 and the following apply. 3.1 slope up g162beam weldingg178 controlled increase of the beam power at the beginning of the welding ISO/TR 25901:2007, definition 2.337 BS EN ISO 15609-4:2009ISO 15609-4:2009(E) 2 ISO 2009 All rights reserved3.2 slope down controlled decrease of the beam power

38、 at the end of the welding NOTE 1 Adapted from ISO/TR 25901:2007, definition 2.336. NOTE 2 The slope down region is the region on the workpiece in which the effects of slope down occur. It can consist of one or two of the following areas, depending on the selected welding mode. a) In full penetratio

39、n welding, it can consist of g127 a region where beam penetration is still complete, and g127 a region where penetration is partial or decreasing. b) In partial penetration welding, it can consist of g127 a region where penetration decreases continuously. 3.3 working distance g162beam weldingg178 di

40、stance between the surface of the workpiece and a standard reference point of the equipment which is traceable to the true focusing lens or mirror centre ISO/TR 25901:2007, definition 2.472 NOTE This is a practical reference distance only. 3.4 tacking pass pass made to hold the parts to be welded in

41、 proper alignment until the final welds are made NOTE 1 Adapted from ISO/TR 25901:2007, definition 2.370. NOTE 2 This can be produced by a continuous or discontinuous pass with partial penetration. 3.5 pass run single operation of welding that is part of the production of a completed weld NOTE 1 Ada

42、pted from ISO/TR 25901:2007, definition 2.312. NOTE 2 The term “pass” is commonly used in beam welding. 3.6 cosmetic pass pass for superficial remelting of the weld in order to enhance appearance NOTE 1 Adapted from ISO/TR 25901:2007, definition 2.75. NOTE 2 This pass can be performed with a defocus

43、ed or oscillating beam. 3.7 overlap g162beam weldingg178 portion of the weld pass remelted prior to the slope down ISO/TR 25901:2007, definition 2.249 NOTE For overlay welding, portion of a welding pass remelted by the adjoining pass. BS EN ISO 15609-4:2009ISO 15609-4:2009(E) ISO 2009 All rights res

44、erved 33.8 back support piece of metal or other auxiliary material placed against the workpiece on the back face of the joint in order to retain the molten weld metal NOTE Adapted from ISO/TR 25901:2007, definition 2.24. 3.9 focal length g162beam weldingg178 distance between the centre of the focusi

45、ng lens or mirror and the focal spot ISO/TR 25901:2007, definition 2.146 NOTE In a thick lens or system of lenses, the principal plane is often inside the lens. For set-up purposes, operators often use the “back focal length”, which is the distance from the front surface of a focusing lens or mirror

46、 system to the focal spot. 3.10 focal spot g162beam weldingg178 part of the beam beyond the focusing system where the beam comes to a minimum cross-sectional area ISO/TR 25901:2007, 2.147 3.11 beam shaping adapting of the geometry of the beam effective area and the power density distribution by suit

47、able optical components 3.12 carrier gas g162overlay weldingg178 gas used to transport filler material to the molten pool NOTE Typical carrier gases are nitrogen, helium and argon. 4 Technical content of welding procedure specification 4.1 General The WPS shall provide all information required to ma

48、ke a weld. The WPS may cover a certain range of thicknesses of the joined parts and may also cover a range of parent metals and even filler metals. Some manufacturers additionally prefer to prepare work instructions for each specific job as part of the detailed production planning. Information liste

49、d below is adequate for most welding operations. For some applications, it is necessary to supplement or reduce the list. The relevant information shall be specified in the WPS. Ranges and tolerances, according to the manufacturers experience, shall be specified when appropriate. An example of a typical WPS format is shown in Annex A. 4.2 Welding process The welding process is 52, in accordance with ISO 4063. BS EN ISO 15609-4:2009ISO 15609-4:2009(E) 4 ISO 2009 All rights reserved4.3 Manufacturer g127 identification of