1、BRITISH STANDARD BS EN 20693:1992 ISO 693:1982 Dimensions of seam welding wheel blanks The European Standard EN20693:1991 has the status of a British StandardBSEN20693:1992 This British Standard was published under the authorityofthe StandardsBoardand comes into effect on 31January1992 BSI 12-1999 T
2、he following BSI references relate to the work on this standard: Committee reference WEE/26 Draft for comment 82/71963 DC ISBN 0 580 20466 9 Cooperating organizations The European Committee for Standardization, under whose supervision this European Standard was prepared, comprises the national stand
3、ards 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 Deutsches Institut fr N
4、ormung 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 Normalisatie-instituut Norway Nor
5、ges 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 issued since publication A
6、md. No. Date CommentsBSEN20693:1992 BSI 12-1999 i Contents Page Cooperating organizations Inside front cover National foreword ii Foreword 2 Text of EN 20693 3 National appendix NA (informative) Inside back cover National appendix NB (informative) Inside back coverBSEN20693:1992 ii BSI 12-1999 Natio
7、nal foreword This British Standard has been prepared under the direction of the Welding Standards Policy Committee and is the English language version of EN20693:1991 “Dimensions of seam welding wheel blanks”, published by the European Committee for Standardization (CEN). It supersedes BS3067:1984,
8、which is withdrawn. EN 20693:1992 is identical with ISO693:1982 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.
9、Compliance 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, pages i and ii, the EN title page, pages 2 to 4, an inside back cover and a back cover. This standard has been updated (see cop
10、yright date) and 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 20693 November 1991 UDC 621.791.763.037.3 Descriptors: Electric welding, seam welding, blanks, dimensions, designations
11、English version Dimensions of seam welding wheel blanks (ISO 693:1982) Dimensions de bauches des molettes de soudage (ISO 693:1982) Rohlinge fr Rollenektroden Mae (ISO 693:1982) This European Standard was approved by CEN on31October1991. CEN members are bound to comply with the CEN/CENELEC Internal
12、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 Central Secretariat or to any CEN member. Th
13、is 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 Central Secretariat has the same status as the official versions. CEN members are t
14、he national standards bodies of Austria, Belgium, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom. CEN European Committee for Standardization Comit Europen de Normalisation Europisches Komite
15、e fr Normung Central Secretariat: rue de Stassart 36, B-1050 Brussels CEN 1991 Copyright reserved to all CEN members Ref. No. EN 20693:1991 EEN20693:1991 BSI 12-1999 2 Foreword In 1989, ISO693:1982 was submitted to CEN Primary Questionnaire procedure. Following the positive result of the Primary Que
16、stionnaire, the CEN Technical Bureau agreed to submit ISO693:1982, without modifications, to Formal Vote. In accordance with the Common CEN/CENELEC Rules, the following countries are bound to implement this European Standard: Austria, Belgium, Denmark, Finland, France, Germany, Greece, Iceland, Irel
17、and, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom. Endorsement notice The text of the International Standard ISO693:1982 was approved by CEN as a European Standard without any modification. Contents Page Foreword 2 1 Scope and field of application 3
18、 2 References 3 3 Dimensions 3 4 Designation 3 5 Material 3EN20693:1991 BSI 12-1999 3 1 Scope and field of application This International Standard specifies the outside diameter and thickness of blanks for seam welding wheels. These are rough machined on the circumference and finished to size on the
19、 width. 2 References ISO 3, Preferred numbers Series of preferred numbers. ISO 5182, Materials for resistance welding electrodes and ancillary equipment. 3 Dimensions The outside diameters of the blanks are subject to deviations of mm. The corresponding finished widths are subject to a tolerance of
20、mm. Dimensions of seam welding wheel blanks: Nominal outside diameter of finished wheel 100; 112; 125; 140; 160; 180; 200; 224; 250; 280; 315. NOTE 1Preferred values of nominal outside diameter are in bold type. NOTE 2The recommended thicknesses are:6,3; 8; 10; 12,5; 16; 20 and25mm. NOTE 3Other dime
21、nsions shall be chosen from preferred numbers according to ISO3. 4 Designation The designation of a seam welding wheel blank shall consist of the number of this International Standard, the nominal outside diameter, the thickness and the material type. Example A seam welding wheel blank with nominal
22、outside diameter100mm, a thickness of16mm and material typeA2/2 has the following designation: Seam welding wheel blank ISO693-100 16 A 2/2 5 Material Recommendations for materials for seam welding wheels are given in ISO5182. +3 +1 +0,2 0,14 blankBSEN20693:1992 BSI 12-1999 National appendix NA (inf
23、ormative) 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 represented: British Non-ferrous Metals Federation British Steel Industry Copper
24、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 Welding Manufacturers Association (BEAMA Ltd.) Co-opted members National
25、appendix NB (informative) The British Standard corresponding to the International Standard referred to in the text is as follows: International Standard British Standard a ISO 3 BS 2045:1965 Preferred numbers (Technically equivalent) a Where no identical or technically equivalent British Standard ex
26、ists, the user is directed to the relevant European or International Standard, copies of which may be obtained from BSI Sales, Linford Wood, Milton Keynes MK14 6LE, telephone0908220022, telex825777 BSIMK G or facsimile0908322484 (all other fax enquiries should be sent to0908320856).BS EN 20693:1992
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