ISO-15786-2008.pdf
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1、 Reference number ISO 15786:2008(E) ISO 2008 INTERNATIONAL STANDARD ISO 15786 First edition 2008-10-01 Technical drawings Simplified representation and dimensioning of holes Dessins techniques Reprsentation et cotation simplifies des trous Copyright International Organization for Standardization Pro
2、vided by IHS under license with ISO Licensee=Boeing Co/5910770001 Not for Resale, 01/29/2009 22:33:57 MSTNo reproduction or networking permitted without license from IHS -,-,- ISO 15786:2008(E) PDF disclaimer This PDF file may contain embedded typefaces. In accordance with Adobes licensing policy, t
3、his file may be printed or viewed but shall not be edited unless the typefaces which are embedded are licensed to and installed on the computer performing the editing. In downloading this file, parties accept therein the responsibility of not infringing Adobes licensing policy. The ISO Central Secre
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5、ure that the file is suitable for use by ISO member bodies. In the unlikely event that a problem relating to it is found, please inform the Central Secretariat at the address given below. COPYRIGHT PROTECTED DOCUMENT ISO 2008 All rights reserved. Unless otherwise specified, no part of this publicati
6、on may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and microfilm, 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
7、 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 All rights reserved Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=Boeing Co/5910770001 Not for Resale, 01/29/2009 22:3
8、3:57 MSTNo reproduction or networking permitted without license from IHS -,-,- ISO 15786:2008(E) ISO 2008 All rights reserved iii Contents Page Foreword iv Introduction v 1 Scope . 1 2 Normative references. 1 3 Terms and definitions. 2 4 Methods of representation and dimensioning of holes 2 4.1 Comp
9、lete representation and complete dimensioning of holes 2 4.2 Complete representation and simplified dimensioning of holes. 2 4.3 Simplified representation and simplified dimensioning of holes 2 4.4 Representation of holes on the same drawing 2 5 Structure of dimensioning of holes 3 5.1 Structure and
10、 sequence of descriptive elements for simplified dimensioning of holes 3 5.2 Graphical symbols 4 5.3 Number of groups of holes and number of holes in a group. 6 5.4 Indication of tolerances 7 5.5 Hole bottom. 7 5.6 Countersinks and chamfers 7 5.7 Depth dimensions. 8 5.8 Indication of surface texture
11、 10 5.9 Indication of dimensions on geometrical tolerances 12 Annex A (informative) Examples for representation and dimensioning of holes, counterbores and internal threads. 13 Bibliography. 18 Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=B
12、oeing Co/5910770001 Not for Resale, 01/29/2009 22:33:57 MSTNo reproduction or networking permitted without license from IHS -,-,- ISO 15786:2008(E) iv ISO 2008 All rights reserved Foreword ISO (the International Organization for Standardization) is a worldwide federation of national standards bodies
13、 (ISO member bodies). The work of preparing International Standards is normally carried out through 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,
14、governmental and non-governmental, in liaison with ISO, also take part in the work. ISO collaborates 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/
15、IEC Directives, Part 2. The main task of technical committees is to prepare International Standards. 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 me
16、mber bodies casting a vote. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. ISO shall not be held responsible for identifying any or all such patent rights. ISO 15786 was prepared by Technical Committee ISO/TC 10, Technical produc
17、t documentation, Subcommittee SC 6, Mechanical engineering documentation. Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=Boeing Co/5910770001 Not for Resale, 01/29/2009 22:33:57 MSTNo reproduction or networking permitted without license from
18、IHS -,-,- ISO 15786:2008(E) ISO 2008 All rights reserved v Introduction This International Standard has been established to specify the simplified representation and dimensioning of holes. The rules established by this International Standard determine, unambiguously, methods for the representation b
19、oth complete and simplified and the dimensioning of holes, as well as the structure and sequence of the descriptive elements for the simplified representation of holes. Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=Boeing Co/5910770001 Not f
20、or Resale, 01/29/2009 22:33:57 MSTNo reproduction or networking permitted without license from IHS -,-,- Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=Boeing Co/5910770001 Not for Resale, 01/29/2009 22:33:57 MSTNo reproduction or networking
21、permitted without license from IHS -,-,- INTERNATIONAL STANDARD ISO 15786:2008(E) ISO 2008 All rights reserved 1 Technical drawings Simplified representation and dimensioning of holes 1 Scope This International Standard specifies rules for the simplified representation, dimensioning and tolerancing
22、of holes, counterbores, internal threads and chamfers on drawings. Where there could be misinterpretation using simplified representation, the complete representation and dimensioning by cuts, sections or elements on a larger scale apply, according to ISO 128-30, ISO 128-34, ISO 128-40, ISO 128-44,
23、ISO 128-50, ISO 129-1 and ISO 406. 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)
24、applies. ISO 128-22, Technical drawings General principles of presentation Part 22: Basic conventions and applications for leader lines and reference lines ISO 128-30, Technical drawings General principles of presentation Part 30: Basic conventions for views ISO 128-34, Technical drawings General pr
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