DIN EN 10243-2-2000 Steel die forgings - Tolerances on dimensions - Part 2 Upset forgings made on horizontal forging machines German version EN 10243-2 1999《钢模锻件 尺寸公差 第2部分 在平锻机上顶锻》.pdf
《DIN EN 10243-2-2000 Steel die forgings - Tolerances on dimensions - Part 2 Upset forgings made on horizontal forging machines German version EN 10243-2 1999《钢模锻件 尺寸公差 第2部分 在平锻机上顶锻》.pdf》由会员分享,可在线阅读,更多相关《DIN EN 10243-2-2000 Steel die forgings - Tolerances on dimensions - Part 2 Upset forgings made on horizontal forging machines German version EN 10243-2 1999《钢模锻件 尺寸公差 第2部分 在平锻机上顶锻》.pdf(35页珍藏版)》请在麦多课文档分享上搜索。
1、DEUTSCH E NORM Steel die forgings - Tolerances on dimensions Part 2: Upset forgings made on horizontal forging machines English version of DIN EN 10243-2 June 2000 DIN EN 10243-2 ICS 17.040.10; 77.140.85 Gesenkschmiedeteile aus Stahl- MaBtoleranzen - Teil 2: Warm hergestellt in Waagerecht-Stauchmasc
2、hinen This standard, together with 01 N EN 10243-1, June 2000 edition, supersedes DIN 7526, January 1969 edition. European Standard EN 10243-2: 1999 has the status of a DIN Standard. A comma is used as the decimal marker. National foreword This standard has been prepared by ECISSITC 28. The responsi
3、ble German body involved in its preparation was the Normenausschuss Eisen und Stahl (Steel and Iron Standards Committee). Amendments DIN 7526, January 1969 edition, has been superseded by the specifications of EN 10243-1 and EN 10243-2. Previous edition DIN 7526: 1969-01. EN comprises 33 pages. No p
4、art of this standard may be reproduced without the prior permission of DINDeutsches Inslilul fOr Normung e. V., Berlin. Beulh Verlag GmbH, 10772 Berlin, Germany, has the exclusive right of sale for German Standards (DIN-Normen). Ref. No. DIN EN 10243-2: 2000-06 English price group 12 Sales No. 1112
5、10.00EUROPEAN STANDARD NORME EUROPEENNE EUROpAISCHE NORM ICS 77.140.85 English version EN 10243-2 September 1999 Steel die forgings - Tolerances on dimensions Part 2: Upset forgings made on horizontal forging machines Pieces forgees par estampage en acier - Tolerances dimensionnelles Partie 2: Piece
6、s executees a chaud sur machines horizontales a forger Gesenkschmiedeteile aus Stahl MaBtoleranzen - Teil 2: Warm hergestellt in Waagerecht-Stauch maschinen This European Standard was approved by CEN on 1999-08-22. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipu
7、late 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 stand ards may be obtained on application to the Central Secretariat or to any CEN member. The European Standards e
8、xist 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 the national standards b
9、odies of Austria, Belgium, the Czech Republic, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, the Netherlands, Norway, Portugal, Spain, Sweden, Switzerland, and the United Kingdom. CEN European Committee for Standardization Comite Europeen de Normalisation Europaisch
10、es Komitee fUr Normung Central Secretariat: rue de Stassart 36, B-1050 Brussels 1999. CEN - All rights of exploitation in any form and by any means reserved worldwide for CEN national members. Ref. No. EN 10243-2: 1999 EPage2 EN 10243-2 : 1999 Content Foreword 2 1 Scope 3 2 Normative references 3 3
11、Symbols 4 4 Definitions. 4 5 Information required in determining tolerances 6 5.1 Mass of upset portion 6 5.2 Category of steel used 6 5.3 Shape complexity factor 7 6 Categories of tolerances 8 6.1 Scope of categories 8 6.2 Definition of categories 9 6.3 Deviation of form 20 7 Use of tables 20 7.1 T
12、able 1 : Tolerances for diameter, length, residual flash (and trimmed flat), mismatch and eccentricity 20 7.2 Table 2: Tolerances for thickness 23 7.3 Table 3: Tolerances for straightness and flatness; tolerances for centre-to-centre dimensions 23 7.4 Table 4 : Tolerances for fillet and edge radii;
13、tolerances for die line fins, trimming burrs: tolerances for sheared ends 23 8 Design procedure 23 8.1 Information required by the forger 23 8.2 Preparation of forging drawing 23 8.3 Indication of dimensions on forging drawings 24 8.4 Indication of tolerances on forging drawings 24 8.5 Importance of
14、 forging drawing 24 Annex A (informative) Examples of application 28 Foreword This European Standard has been prepared by Technical Committee ECISSfTC 28 “Steel forgings“, the secretariat of which is held by BSI. This European Standard shall be given the status of a national standard, either by publ
15、ication of an identical text or by endorsement, at the latest by March 2000, and conflicting national standards shall be withdrawn at the latest by March 2000. This European Standard has been prepared under a mandate given to CEN by the European Commission and the European Free Trade Association. Th
16、is European Standard is considered to be a supporting standard to those application and product standards which in themselves support an essential safety requirement of a New Approach Directive and which make reference to this European Standard. According to the CEN/CENELEC Internal Regulations, the
17、 national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and the United Kingd
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