1、BRITISH STANDARD BS EN 21089:1992 ISO1089:1980 Electrode taper fits for spot welding equipment Dimensions The European Standard EN 21089:1991 has the status of a British StandardBSEN21089:1992 This British Standard was published under theauthorityofthe StandardsBoard and comes intoeffect on 28 Febru
2、ary 1992 BSI 10-1999 The following BSI references relate to the work on this standard: Committee reference WEE/26 Draft for comment 78/76434 DC ISBN 0 580 20464 2 Cooperating organizations The European Committee for Standardization, under whose supervision this European Standard was prepared, compri
3、ses the national standards organizations of the following Western European countries. Austria Oesterreichisches Normungsinstitut Belgium Institut belge de normalisation Denmark Dansk Standardiseringsraad Finland Suomen Standardisoimisliito, r.y. France Association franaise de normalisation Germany D
4、eutsches Institut fr Normung e.V. Greece Hellenic Organization for Standardization Iceland Technological Institute of Iceland Ireland National Standards Authority of Ireland Italy Ente Nazionale Italiano di Unificazione Luxembourg Inspection du Travail et des Mines Netherlands Nederlands Normalisati
5、e-instituut Norway Norges Standardiseringsforbund Portugal Instituto Portugus da Qualidade Spain Asociacin Espaola de Normalizacin y Certificacin Sweden Standardiseringskommissionen i Sverige Switzerland Association suisse de normalisation United Kingdom British Standards Institution Amendments issu
6、ed since publication Amd. No. Date CommentsBSEN21089:1992 BSI 10-1999 i Contents Page Cooperating organizations Inside front cover National foreword ii Foreword 2 Text of EN 21089 3 National appendix NA (informative) Inside back coverBSEN21089:1992 ii BSI 10-1999 National foreword This British Stand
7、ard has been prepared under the direction of the Welding Standards Policy Committee and is the English language version of EN21089:1991 “Electrode taper fits for spot welding equipment Dimensions”, published by the European Committee for Standardization (CEN). It supersedes BS4215-3:1987, which is w
8、ithdrawn. EN 21089:1991 is identical with ISO1089:1980 published by the International Organization for Standardization (ISO). A British Standard does not purport to include all the necessary provisions of a contract. Users of British Standards are responsible for their correct application. Complianc
9、e with a British Standard does not of itself confer immunity from legal obligations. Summary of pages This document comprises a front cover, an inside front cover, pagesi andii, theEN title page, pages2to6, an inside back cover and a back cover. This standard has been updated (see copyright date) an
10、d may have had amendments incorporated. This will be indicated in the amendment table on the inside front cover.EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 21089 November 1991 UDC 621.791.763.1.039 Descriptors: Welding electrodes, resistance welding electrodes, spot welding, spigot-and-sock
11、et joints, taper, dimensions, dimensionaltolerances English version Electrode taper fits for spot welding equipment Dimensions (ISO 1089:1980) Emmanchements coniques dlectrodes pour machines souder par points Dimensions (ISO 1089:1980) Elektrodensitze fr Punktschweieinrichtungen Mae (ISO 1089:1980)
12、This European Standard was approved by CEN on31 October1991. CEN members are bound to comply with the CEN/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 refer
13、ences concerning such national standards may be obtained on application to the Central Secretariat 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 in
14、to its own language and notified to the Central Secretariat has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, S
15、witzerland and United Kingdom. CEN European Committee for Standardization Comit Europen de Normalisation Europisches Komitee fr Normung Central Secretariat: rue de Stassart 36, B-1050 Brussels CEN 1991 Copyright reserved to all CEN members Ref. No. EN 21089:1991 EEN21089:1991 BSI 10-1999 2 Foreword
16、In 1989, ISO1089:1980 was submitted to CEN Primary Questionnaire procedure. Following the positive result of the Primary Questionnaire, the CEN Technical Bureau agreed to submit ISO1089:1980, without modifications, to Formal Vote. In accordance with the Common CEN/CENELEC Rules, the following countr
17、ies are bound to implement this European Standard: Austria, Belgium, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom. Endorsement notice The text of the International Standard ISO1089:1980 wa
18、s approved by CEN as a European Standard without any modification. Contents Page Foreword 2 1 Scope and field of application 3 2 Dimensions 3 3 Designation 3 4 Marking 3 Table 1 Dimensions for type A 5 Table 2 Dimensions for type B 5 Table 3 Dimensions for type C 6EN21089:1991 BSI 10-1999 3 1 Scope
19、and field of application This International Standard lays down the taper dimensions and tolerances of electrode taper fits for spot welding electrode caps, electrode adaptors, electrode holders and similar parts, where the electrode force F maxgiven for diameter d 1in Table 1,Table 2andTable 3 is no
20、t exceeded. 2 Dimensions The dimensions shall be as given in the drawings and the tables. 3 Designation Example of designation of an electrode taper fit type A and d 1 =16mm: ISO1089 A16 4 Marking Electrode holders with electrode taper fit in accordance with this International Standard shall be mark
21、ed with the designation (except the number of this International Standard); for example: A16EN21089:1991 4 BSI 10-1999 1)d 3and d 7are gauge dimensions at the datum line of the taper. 2)The size of the cooling pipe should be such that the cross-sectional area of its bore is approximately equal to th
22、e area of the annulus formed between its outside circumference and the cooling hole in the electrode.EN21089:1991 BSI 10-1999 5 Table 1 Dimensions for type A Table 2 Dimensions for type B Dimensions in millimetres Electrode fit Taper Electrode force a 1 : x d 1 d 2 d 3 d 4 d 5 l 1 0,5 F max straight
23、 thrust kN A 10 10 16 20 25 9,8 5,5 8,5 13 2,5 A 13 13 20 25 31,5 40 12,7 7,5 11 16 4 A 16 1 : 10 16 25 31,5 40 15,5 8,5 13,5 20 6,3 A 20 20 31,5 40 19 10,5 16,5 25 10 A 25 25 40 24,5 13,5 21,5 31,5 16 A 32 1 : 5 32 50 31 14 23 40 25 A 40 40 63 39 16 29 50 40 a For information only. Dimensions in mi
24、llimetres Electrode fit Taper Electrode force a 1 : x d 1 d 2 d 3 d 4 d 5 l 1 0,5 F max eccentric loading kN B 10 10 16 20 25 9,8 5,5 2,5 B 13 13 25 31,5 40 12,7 7,5 10 25 4 B 16 1 : 10 16 25 31,5 40 15,5 8,5 12,5 31,5 6,3 B 20 20 31,5 40 19 10,5 15 40 10 B 25 25 40 24,5 13,5 19,5 50 16 B 32 1 : 5 3
25、2 50 31 14 25 B 40 40 63 39 16 40 a For information only.EN21089:1991 6 BSI 10-1999 Table 3 Dimensions for type C Dimensions in millimetres Electrode force a Electrode fit d 6 d 7 d 8 l 2+ 0,5 l 3 l 4F max kN C 13 13 10 6,5 6,5 10 8 2,5 C 16 16 12 8 8 13 9,5 4 C 20 20 15 10,5 10 15 11,5 6,3 a For in
26、formation only. +0,5 0BSEN21089:1992 BSI 10-1999 National appendix NA (informative) The United Kingdom participation in the preparation of this European Standard was entrusted by the Welding Standards Policy Committee (WEE/-) to Technical Committee WEE/26 upon which the following bodies were represe
27、nted: British Non-ferrous Metals Federation British Steel Industry Copper Development Association Electricity Industry in United Kingdom Institution of Incorporated Executive Engineers Society of British Aerospace Companies Limited Society of Motor Manufacturers and Traders Limited Welding Institute
28、 Welding Manufacturers Association (BEAMA Ltd.) Coopted membersBS EN 21089:1992 ISO 1089:1980 BSI 389 Chiswick High Road London W4 4AL BSIBritishStandardsInstitution BSI is the independent national body responsible for preparing BritishStandards. It presents the UK view on standards in Europe and at
29、 the international level. It is incorporated by Royal Charter. Revisions BritishStandards are updated by amendment or revision. Users of BritishStandards should make sure that they possess the latest amendments or editions. It is the constant aim of BSI to improve the quality of our products and ser
30、vices. We would be grateful if anyone finding an inaccuracy or ambiguity while using this BritishStandard would inform the Secretary of the technical committee responsible, the identity of which can be found on the inside front cover. Tel:02089969000. Fax:02089967400. BSI offers members an individua
31、l updating service called PLUS which ensures that subscribers automatically receive the latest editions of standards. Buying standards Orders for all BSI, international and foreign standards publications should be addressed to Customer Services. Tel:02089969001. Fax:02089967001. In response to order
32、s for international standards, it is BSI policy to supply the BSI implementation of those that have been published as BritishStandards, unless otherwise requested. Information on standards BSI provides a wide range of information on national, European and international standards through its Library
33、and its Technical Help to Exporters Service. Various BSI electronic information services are also available which give details on all its products and services. Contact the Information Centre. Tel:02089967111. Fax:02089967048. Subscribing members of BSI are kept up to date with standards development
34、s and receive substantial discounts on the purchase price of standards. For details of these and other benefits contact Membership Administration. Tel:02089967002. Fax:02089967001. Copyright Copyright subsists in all BSI publications. BSI also holds the copyright, in the UK, of the publications of t
35、he international standardization bodies. Except as permitted under the Copyright, Designs and Patents Act 1988 no extract may be reproduced, stored in a retrieval system or transmitted in any form or by any means electronic, photocopying, recording or otherwise without prior written permission from
36、BSI. This does not preclude the free use, in the course of implementing the standard, of necessary details such as symbols, and size, type or grade designations. If these details are to be used for any other purpose than implementation then the prior written permission of BSI must be obtained. If permission is granted, the terms may include royalty payments or a licensing agreement. Details and advice can be obtained from the Copyright Manager. Tel:02089967070.
