AWS C1 5-2015 Specification for the Qualification of Resistance Welding Technicians (3rd Edition).pdf

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1、AWS C1.5:2015An American National StandardSpecification for the Qualification of Resistance Welding TechniciansAWS C1.5:2015 An American National StandardApproved by American National Standards Institute June 23, 2015Specification for the Qualification of Resistance Welding Technicians3rd EditionPre

2、pared by the AWS C1 Committee on Resistance WeldingUnder the Direction of the AWS Technical Activities CommitteeApproved by AWS Board of DirectorsAbstractThis specification establishes the requirements for qualification of Resistance Welding Technicians (RWT) employed in the welding industry. The mi

3、nimum experience, examination, application, qualification, and requalification requirements and methods are defined herein. This specification is a method for technicians to establish a record of their qualification and abilities in welding industry work such as development of machine troubleshootin

4、g, processes controls, quality standards, problem solving, etc.AWS C1.5:2015iiInternational Standard Book Number-978-0-87171-863-1 2015 by American Welding SocietyAll rights reservedPrinted in the United States of AmericaPhotocopy Rights. No portion of this standard may be reproduced, stored in a re

5、trieval system, or transmitted in any form, including mechanical, photocopying, recording, or otherwise, without the prior written permission of the copyright owner.Authorization to photocopy items for internal, personal, or educational classroom use only or the internal, personal, or educational cl

6、assroom use only of specific clients is granted by the American Welding Society provided that the appropriate fee is paid to the Copyright Clearance Center, 222 Rosewood Drive, Danvers, MA 01923, tel.: (978) 750-8400; Internet: .AWS C1.5:2015iiiStatement on the Use of American Welding Society Standa

7、rdsAll standards (codes, specifications, recommended practices, methods, classifications, and guides) of the American Welding Society (AWS) are voluntary consensus standards that have been developed in accordance with the rules of the American National Standards Institute (ANSI). When AWS American N

8、ational Standards are either incorporated in, or made part of, documents that are included in federal or state laws and regulations, or the regulations of other governmental bodies, their provisions carry the full legal authority of the statute. In such cases, any changes in those AWS standards must

9、 be approved by the governmental body having statutory jurisdiction before they can become a part of those laws and regulations. In all cases, these standards carry the full legal authority of the contract or other document that invokes the AWS standards. Where this contractual relationship exists,

10、changes in or deviations from requirements of an AWS standard must be by agreement between the contracting parties.AWS American National Standards are developed through a consensus standards development process that brings together volunteers representing varied viewpoints and interests to achieve c

11、onsensus. While AWS administers the process and establishes rules to promote fairness in the development of consensus, it does not independently test, evaluate, or verify the accuracy of any information or the soundness of any judgments contained in its standards.AWS disclaims liability for any inju

12、ry to persons or to property, or other damages of any nature whatsoever, whether special, indirect, consequential, or compensatory, directly or indirectly resulting from the publication, use of, or reliance on this standard. AWS also makes no guarantee or warranty as to the accuracy or completeness

13、of any information published herein.In issuing and making this standard available, AWS is neither undertaking to render professional or other services for or on behalf of any person or entity, nor is AWS undertaking to perform any duty owed by any person or entity to someone else. Anyone using these

14、 documents should rely on his or her own independent judgment or, as appropriate, seek the advice of a competent professional in determining the exercise of reasonable care in any given circumstances. It is assumed that the use of this standard and its provisions is entrusted to appropriately qualif

15、ied and competent personnel.This standard may be superseded by new editions. This standard may also be corrected through publication of amendments or errata, or supplemented by publication of addenda. Information on the latest editions of AWS standards including amendments, errata, and addenda is po

16、sted on the AWS web page (www.aws.org). Users should ensure that they have the latest edition, amendments, errata, and addenda.Publication of this standard does not authorize infringement of any patent or trade name. Users of this standard accept any and all liabilities for infringement of any paten

17、t or trade name items. AWS disclaims liability for the infringement of any patent or product trade name resulting from the use of this standard.AWS does not monitor, police, or enforce compliance with this standard, nor does it have the power to do so.Official interpretations of any of the technical

18、 requirements of this standard may only be obtained by sending a request, in writing, to the appropriate technical committee. Such requests should be addressed to the American Welding Society, Attention: Managing Director, Technical Services Division, 8669 NW 36th St, #130, Miami, FL 33166 (see Anne

19、x B). With regard to technical inquiries made concerning AWS standards, oral opinions on AWS standards may be rendered. These opinions are offered solely as a convenience to users of this standard, and they do not constitute professional advice. Such opinions represent only the personal opinions of

20、the particular individuals giving them. These individuals do not speak on behalf of AWS, nor do these oral opinions constitute official or unofficial opinions or interpretations of AWS. In addition, oral opinions are informal and should not be used as a substitute for an official interpretation.This

21、 standard is subject to revision at any time by the AWS C1 Committee on Resistance Welding. It must be reviewed every five years, and if not revised, it must be either reaffirmed or withdrawn. Comments (recommendations, additions, or deletions) and any pertinent data that may be of use in improving

22、this standard are required and should be addressed to AWS Headquarters. Such comments will receive careful consideration by the AWS C1 Committee on Resistance Welding and the author of the comments will be informed of the Committees response to the comments. Guests are invited to attend all meetings

23、 of the AWS C1 Committee on Resistance Welding to express their comments verbally. Procedures for appeal of an adverse decision concerning all such comments are provided in the Rules of Operation of the Technical Activities Committee. A copy of these Rules can be obtained from the American Welding S

24、ociety, 8669 NW 36th St, #130, Miami, FL 33166.AWS C1.5:2015ivThis page is intentionally blank.AWS C1.5:2015vPersonnelC1 Committee on Resistance WeldingB. Kelly, Chair Kelly Welding SolutionsW. Qualls, 1st Vice Chair ConsultantE. Abrams, Secretary American Welding SocietyT. Alexander Centerline (Win

25、dsor) Ltd.B. Bastian Benmar AssociatesW. Brafford Tuffaloy ProductsR. Cohen WeldComputer CorporationM. Cubert Space XK. Hofman RoMan Engineering ServicesN. Scotchmer Huys Industries LimitedD. Sorenson ENTRON Controls LLCAdvisors to the AWS C1 Committee on Resistance WeldingC. Albright The Ohio State

26、 University-RetiredW. Jaxa-Rozen Bombardier TransportationM. Kimchi ConsultantD. Maatz Jr. RoMan Engineering ServicesM.D. Tumuluru U.S. SteelSpecial ContributorsR. Hirsch Unitrol Electronics IncorporatedR. Michelena TJ Snow Company IncorporatedAWS C1.5:2015viThis page is intentionally blank.AWS C1.5

27、:2015viiForewordThis foreword is not part of AWS C1.5:2015, Specification for the Qualification of Resistance Welding Technicians, but is included for informational purposes only.This specification for the qualification of resistance welding technicians was developed to provide a qualification basis

28、, which defines minimum requirements for a resistance welding technician to demonstrate competence through a combination of education, experience, and examination.The resistance welding technician (RWT) is a person who is responsible for maintaining resistance welding equipment, troubleshooting resi

29、stance welding problems, and providing advice on the application of the resistance welding process. The RWT shall be familiar with various resistance welding processes, specifications, basic electrical and mechanical principles, resistance welding equipment, inspection methods, acceptance criteria,

30、tests, welding qualification requirements, and other aspects of fabrication and assembly.For the welding technicians to be effective, the activities they perform must be consistent with specified requirements, technical, and ethical principles. The RWT may also produce reports aimed at optimizing co

31、st, quality, and productivity. The RWT should be able to work with management representatives, inspection personnel, welders, and support crafts, and should be able to understand the role of each in the development of quality welds.All revisions to the 2009 edition are identified by a vertical line

32、in the margin adjacent to the text.Comments and suggestions for the improvement of this standard are welcome. They should be sent to the Secretary, AWS C1 Committee on Resistance Welding, American Welding Society, 8669 NW 36th St, #130, Miami, FL 33166.AWS C1.5:2015viiiThis page is intentionally bla

33、nk.AWS C1.5:2015ixTable of ContentsPage No.Personnel .vForeword vii1. General Requirements 12. Normative References . 23. Terms and Definitions . 24. Qualification 25. Functions . 25.1 Capabilities 25.2 Duties 36. Education and Experience Requirements . 46.1 Education Requirements 46.2 Experience Re

34、quirements 47. Examination Requirements.57.1 Examination 57.2 Passing Requirements 58. Body of Knowledge 59. Examination Structure 510. Maintenance of Qualification 5Annex A (Informative) Suggested Reference Library 7Annex B (Informative) Guidelines for the Preparation of Technical Inquiries . 9List

35、 of TablesTable Page No.1 Resistance Welding Technician (RWT) Capabilities . 3AWS C1.5:2015xThis page is intentionally blank.AWS C1.5:20151Specification for the Qualification of Resistance Welding Technicians1. General Requirements1.1 Scope. This specification establishes qualification requirements

36、for a resistance welding technician (RWT). It describes how qualifications are determined, and the practice by which qualification may be attained and maintained. The user of this specification will evaluate the qualifications of each candidate, and provide examinations to test the candidates resist

37、ance welding skills and knowledge, as well as, his or her ability to apply the principles of resistance welding.This specification is intended to supplement the minimum requirements of employers, codes, other standards, or documents, and shall not be construed as a preemption of the employers respon

38、sibility for the work or for the performance of the work. Resistance welding processes include spot welding, projection welding, seam welding, butt welding, flash welding, micro joining, resistance brazing, resistance soldering and resistance heating. It is understood not all of these disciplines ar

39、e used in every situation and it shall be the responsibility of employers to determine their employee, who having qualified as a RWT, is capable of performing the specific duties involved in their career assignments.While the RWT has established excellent credentials, qualification to this specifica

40、tion alone may not legally qualify the technician to provide technical services to the public. Contract documents and building or jurisdiction laws may require technical services to be performed under the direction and responsibility of others such as a registered Professional Engineer (P.E.). The R

41、WT designation DOES NOT imply the status of a registered P.E. under the laws of any state or other governmental entity.As used in this specification, the word shall denotes a requirement, the word should denotes a guideline, and the word may denotes a choice.1.2 Units of Measurement. This standard d

42、oes not require units of measure. Therefore, no equivalents or conversions are contained except when they are cited in examples.1.3 Safety. Safety and health issues and concerns are beyond the scope of this standard, and therefore are not fully addressed herein.Safety and health information is avail

43、able from the following sources: American Welding Society:ANSI Z49.1, Safety in Welding, Cutting, and Allied Processes;AWS Safety and Health Fact Sheets; andOther safety and health information on the AWS website.Material or Equipment Manufacturers:Safety Data Sheets supplied by materials manufacture

44、rsOperating Manuals supplied by equipment manufacturersApplicable Regulatory AgenciesWork performed in accordance with this standard may involve the use of materials having been deemed hazardous, and may involve operations or equipment which may cause injury or death. This standard does not purport

45、to address all safety and health risks that may be encountered. The user of this standard should establish an appropriate safety program to address such risks as well as to meet applicable regulatory requirements. ANSI Z49.1 should be considered when developing the safety program.AWS C1.5:201522. No

46、rmative ReferencesThe following standards contain provisions which, through reference in this text, constitute provisions of this AWS standard. For undated references, the latest edition of the referenced standard shall apply. For dated references, subsequent amendments to, or revisions of, any of t

47、hese publications do not apply.ANSI Z49.1, Safety in Welding, Cutting and Allied Processes; 1andAWS A3.0M/A3.0, Standard Welding Terms and Definitions Including Terms for Adhesive Bonding, Brazing, Soldering, Thermal Cutting, and Thermal Spraying.23. Terms and DefinitionsAWS A3.0M/A3.0, Standard Wel

48、ding Terms and Definitions, Including Terms for Adhesive Bonding, Brazing, Soldering, Thermal Cutting, and Thermal Spraying, provides the basis for terms and definitions used herein. However, the following terms and definitions are included below to accommodate usage specific to this document.candid

49、ate. The person attempting to qualify to this standard.certification. The act of determining, verifying and attesting in writing to the qualification of personnel in accordance with specified requirements.code. A standard consisting of a set of conditions and requirements relating to a particular subject and indicating appropriate procedures by which it can be determined the requirements have been met. A standard suitable for adoption in whole or part by a governmental authority as a part of a law or regulation or specified by other mandatory documents.qualification. Demonstrating training