DIN EN 10243-2-2000 钢热模锻件.尺寸公差.第2部分在水平锻造机器上的顶锻

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June 2000

D EUTSCHE NORM

Steel die forgings – Tolerances on dimensions

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Part 2: Upset forgings made on horizontal forging machines English version of DIN EN 10243-2

EN 10243-2

ICS 17.040.10; 77.140.85

Gesenkschmiedeteile aus Stahl – Maßtoleranzen – Teil 2: Warm hergestellt in Waagerecht-Stauchmaschinen

This standard, together with DIN EN 10243-1, June 2000 edition, supersedes DIN 7526, January 1969 edition.

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European Standard EN 10243-2 : 1999 has the status of a DIN Standard. A comma is used as the decimal marker.

National foreword

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This standard has been prepared by ECISS/TC 28. The responsible German body involved in its preparation was the Normenausschuss Eisen und Stahl (Steel and Iron Standards Committee).

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Previous edition DIN 7526: 1969-01.

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Amendments DIN 7526, January 1969 edition, has been superseded by the specifications of EN 10243-1 and EN 10243-2.

© No part of this standard may be reproduced without the prior permission of DIN Deutsches Institut für Normung e. V., Berlin. Beuth Verlag GmbH, 10772 Berlin, Germany, has the exclusive right of sale for German Standards (DIN-Normen).

Continued overleaf. EN comprises 33 pages.

Ref. No. DIN EN 10243-2 : 2000-06 English price group 12

Sales No. 1112 10.00

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EN 10243-2 September 1999

ICS 77.140.85 Descriptors:

English version

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Steel die forgings – Tolerances on dimensions Part 2: Upset forgings made on horizontal forging machines

Gesenkschmiedeteile aus Stahl – Maßtoleranzen – Teil 2: Warm hergestellt in Waagerecht-Stauchmaschinen

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Pièces forgées par estampage en acier – Tolérances dimensionnelles – Partie 2: Pièces exécutées à chaud sur machines horizontales à forger

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This European Standard was approved by CEN on 1999-08-22. 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 references concerning such national standards may be obtained on application to the Central Secretariat or to any CEN member. The European Standards exist 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 bodies 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.

ÈÉË European Committee for Standardization Comité Européen de Normalisation Europäisches Komitee für 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 E

Page 2 EN 10243-2 : 1999

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4 6 6 6 7 8 8 9 20 20 20 23 23 23 23 23 23 24 24 24 28

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Page 3 EN 10243-2 : 1999

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Page 4 EN 10243-2 : 1999

Page 5 EN 10243-2 : 1999

Unforged bar stock

Direction of heading tool to form upset portion

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Upset portion

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Page 7 EN 10243-2 : 1999

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Enveloping shape

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Page 15 EN 10243-2 : 1999

Centres

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