BS ISO 6752-2008 Tools for pressing - Round punches with 60 degrees conical head and straight shank《冲压工具 带60圆锥头和直柄的圆冲头》.pdf

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1、BS ISO 6752:2008ICS 25.120.10NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBRITISH STANDARDTools for pressing Round punches with 60degrees conical headand straight shankThis British Standardwas published under theauthority of the StandardsPolicy and StrategyCommittee on 3 200

2、8 BSI 2008ISBN 978 0 580 57365 1Amendments/corrigenda issued since publicationDate CommentsBS ISO 6752:2008National forewordThis British Standard is the UK implementation of ISO 6752:2008. Itsupersedes BS 7568-7:1992 which is withdrawn.The UK participation in its preparation was entrusted to Technic

3、alCommittee MTE/12, Tools for pressing and moulding.A list of organizations represented on this committee can be obtained onrequest to its secretary.This publication does not purport to include all the necessary provisionsof a contract. Users are responsible for its correct application.Compliance wi

4、th a British Standard cannot confer immunityfrom legal obligations.0SeptemberBS ISO 6752:2008Reference numberISO 6752:2008(E)ISO 2008INTERNATIONAL STANDARD ISO6752Second edition2008-06-15Tools for pressing Round punches with 60 degrees conical head and straight shank Outillage de presse Poinons tte

5、conique 60 degrs et corps cylindrique BS ISO 6752:2008ISO 6752:2008(E) PDF disclaimer This PDF file may contain embedded typefaces. In accordance with Adobes licensing policy, this file may be printed or viewed but shall not be edited unless the typefaces which are embedded are licensed to and insta

6、lled on the computer performing the editing. In downloading this file, parties accept therein the responsibility of not infringing Adobes licensing policy. The ISO Central Secretariat accepts no liability in this area. Adobe is a trademark of Adobe Systems Incorporated. Details of the software produ

7、cts used to create this PDF file can be found in the General Info relative to the file; the PDF-creation parameters were optimized for printing. Every care has been taken to ensure that the file is suitable for use by ISO member bodies. In the unlikely event that a problem relating to it is found, p

8、lease inform the Central Secretariat at the address given below. COPYRIGHT PROTECTED DOCUMENT ISO 2008 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and microfil

9、m, without permission in writing from either ISO at the address below or ISOs member body in the country of the requester. ISO copyright office Case postale 56 CH-1211 Geneva 20 Tel. + 41 22 749 01 11 Fax + 41 22 749 09 47 E-mail copyrightiso.org Web www.iso.org Published in Switzerland ii ISO 2008

10、All rights reservedBS ISO 6752:2008ISO 6752:2008(E) ISO 2008 All rights reserved iiiForeword ISO (the International Organization for Standardization) is a worldwide federation of national standards bodies (ISO member bodies). The work of preparing International Standards is normally carried out thro

11、ugh ISO technical committees. Each member body interested in a subject for which a technical committee has been established has the right to be represented on that committee. International organizations, governmental and non-governmental, in liaison with ISO, also take part in the work. ISO collabor

12、ates closely with the International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization. International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 2. The main task of technical committees is to prepare International Standa

13、rds. Draft International Standards adopted by the technical committees are circulated to the member bodies for voting. Publication as an International Standard requires approval by at least 75 % of the member bodies casting a vote. Attention is drawn to the possibility that some of the elements of t

14、his document may be the subject of patent rights. ISO shall not be held responsible for identifying any or all such patent rights. ISO 6752 was prepared by Technical Committee ISO/TC 29, Small tools, Subcommittee SC 8, Tools for pressing and moulding. This second edition cancels and replaces the fir

15、st edition (ISO 6752:1984), which has been technically revised. BS ISO 6752:2008BS ISO 6752:2008INTERNATIONAL STANDARD ISO 6752:2008(E) ISO 2008 All rights reserved 1Tools for pressing Round punches with 60 degrees conical head and straight shank 1 Scope This International Standard specifies the bas

16、ic dimensions, in millimetres, of round punches with 60 conical head and straight shank in the diameter range of 0,5 mm to 20 mm. It gives example material and hardness values, and specifies the designation of the punches, whose main use is punching holes in steel sheets but that can also be used on

17、 other materials. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. ISO 2768

18、-1:1989, General tolerances Part 1: Tolerances for linear and angular dimensions without individual tolerance indications 3 Dimensions The dimensions of round punches with 60 conical head and straight shank shall conform to the indications of Figure 1 and Table 1. General tolerance: ISO 2768-m Surfa

19、ce roughness values in micrometres Figure 1 Round punches with 60 conical head and straight shank BS ISO 6752:2008ISO 6752:2008(E) 2 ISO 2008 All rights reservedTable 1 Dimensions of round punches with 60 conical head and straight shank L 0,50+D1 h6 D2H 0,20+r 71 80 100 0,50 0,9 0,55 1,0 0,60 1,1 0,

20、65 1,2 0,70 1,3 0,75 1,3 0,2 0,80 1,4 0,85 1,4 0,90 1,6 0,95 1,6 0,4 0,20,20+ 1,0 1,8 1,1 1,8 1,2 2,0 1,3 2,0 1,4 2,2 1,5 2,2 1,6 2,5 1,7 2,5 1,8 2,8 1,9 2,8 2,0 3,0 2,1 3,2 2,2 3,2 2,3 3,5 2,4 3,5 2,5 3,5 2,6 4,0 2,7 4,0 2,8 4,0 2,9 4,0 0,5 0,40,30+ BS ISO 6752:2008ISO 6752:2008(E) ISO 2008 All rig

21、hts reserved 3Table 1 (continued) L 0,50+D1 h6 D2H 0,20+r 71 80 100 3,0 4,5 3,1 4,5 3,2 4,5 3,3 4,5 3,4 4,5 3,5 5,0 3,6 5,0 3,7 5,0 3,8 5,0 3,9 5,0 4,0 5,5 4,1 5,5 4,2 5,5 4,3 5,5 4,4 5,5 4,5 6,0 4,6 6,0 4,7 6,0 4,8 6,0 4,9 6,0 5,0 6,5 5,1 6,5 5,2 6,5 5,3 6,5 5,4 6,5 5,5 7,0 5,6 7,0 5,7 7,0 5,8 7,0

22、5,9 7,0 6,0 8,0 0,5 0,60,40+ BS ISO 6752:2008ISO 6752:2008(E) 4 ISO 2008 All rights reservedTable 1 (continued) L 0,50+D1 h6 D2H 0,20+r 71 80 100 6,1 8,0 6,2 8,0 6,3 8,0 6,4 8,0 0,5 6,5 9,0 7,0 9,0 7,5 10,0 8,0 10,0 8,5 11,0 9,0 11,0 9,5 12,0 10,0 12,0 10,5 13,0 11,0 13,0 11,5 14,0 12,0 14,0 12,5 15

23、,0 13,0 15,0 1 10,50+ 13,5 16,0 14,0 16,0 14,5 17,0 15 17,0 15,5 18,0 16,0 18,0 17,0 19,0 18,0 20,0 19,0 21,0 20,0 22,0 1,5 1,50,50+ BS ISO 6752:2008ISO 6752:2008(E) ISO 2008 All rights reserved 54 Material and hardness The material is left to the manufacturers discretion. The following hardness val

24、ues are given as examples. a) Alloyed cold work steel with 5 % to 12 % Cr: point: (60 2) HRC; head: (45 5) HRC. b) High-speed steel: point: (62 2) HRC; head: (52 5) HRC. 5 Designation A round punch with 60 conical head and straight shank in accordance with this International Standard shall be design

25、ated by: a) “Punch”; b) reference to this International Standard, i.e. ISO 6752; c) its points diameter, D1, in millimetres; d) its length, L, in millimetres. EXAMPLE Punch ISO 6752 - 6,3 80 BS ISO 6752:2008ISO 6752:2008(E) ICS 25.120.10 Price based on 5 pages ISO 2008 All rights reserved BS ISO 675

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